HSL(228, 40%, 28%)

Blue — Blue color

Adjust Color

Color Information

Color Name

Blue

Color Family

Blue

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(228,40%,28%)]

Color Conversions

Format Value CSS Usage
HSL hsl(228, 40%, 28%) color: hsl(228, 40%, 28%)
HEX #2B3664 color: #2B3664
RGB rgb(43, 54, 100) color: rgb(43, 54, 100)
CMYK cmyk(57%, 46%, 0%, 61%) —
HSV hsv(228, 57%, 39%) —
HWB hwb(228 17% 61%) color: hwb(228 17% 61%)
OKLCH oklch(0.3478 0.0814 271.48) color: oklch(0.3478 0.0814 271.48)
Lab lab(23.91 10.4 -28.65) color: lab(23.91 10.4 -28.65)
LCH lch(23.91 30.48 289.95) color: lch(23.91 30.48 289.95)

Color Theory

Complementary

Triadic

Analogous

Tetradic (Square)

Split-Complementary

Accessibility (WCAG)

White text on color

Black text on color

Color on white bg

Colored text

Contrast Ratios

vs White 11.57:1
vs Black 1.81:1

AA Normal (4.5:1)

on White: PASS ✓ on Black: FAIL ✗

AA Large (3:1)

on White: PASS ✓ on Black: FAIL ✗

AAA Normal (7:1)

on White: PASS ✓

Best text on this color: white

Color Blindness Simulation

Protanopia (Red-blind)

#303059 — rgb(48, 48, 89)

Deuteranopia (Green-blind)

#2F2E56 — rgb(47, 46, 86)

Tritanopia (Blue-blind)

#2C504E — rgb(44, 80, 78)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(228, 40%, 28%);

text

color: hsl(228, 40%, 28%);

border

border: 2px solid hsl(228, 40%, 28%);

gradient light

background: linear-gradient(to right, hsl(228, 40%, 48%), hsl(228, 40%, 28%));

gradient dark

background: linear-gradient(to right, hsl(228, 40%, 28%), hsl(228, 40%, 8%))

hex

background-color: #2B3664;

tailwind

bg-[hsl(228,40%,28%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(228, 40%, 28%, 0.4);

css variable

--color-primary: hsl(228, 40%, 28%);

Related Colors

#393F56

228,20,28

#1D2E72

228,60,28

#0C101D

228,40,8

#495DAB

228,40,48

#2B4564

213,40,28

#2B4064

218,40,28

#2B2D64

238,40,28

#2E2B64

243,40,28

Use Cases for Blue

Corporate branding Trust signals Tech products Social media Primary buttons

Frequently Asked Questions

What are all the color codes for HSL(228, 40%, 28%)?

HEX: #2B3664 | RGB: rgb(43, 54, 100) | CMYK: 57%, 46%, 0%, 61% | HSV: 228°, 57%, 39%. Copy any format from the conversion table above.

What colors go well with #2B3664?

The complementary color is HSL(48, 40%, 28%). For a triadic harmony, use hues 228°, 348°, and 108°. For analogous combinations, try hues 198° and 258°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(228, 40%, 28%) in CSS?

As HSL: color: hsl(228, 40%, 28%); — As HEX: color: #2B3664; — As RGB: color: rgb(43, 54, 100); — Tailwind CSS: bg-[hsl(228,40%,28%)] — CSS variable: --color-primary: hsl(228, 40%, 28%);