HSL(255, 40%, 8%)

Very Dark Indigo — Indigo color

Adjust Color

Color Information

Color Name

Very Dark Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(255,40%,8%)]

Color Conversions

Format Value CSS Usage
HSL hsl(255, 40%, 8%) color: hsl(255, 40%, 8%)
HEX #100C1D color: #100C1D
RGB rgb(16, 12, 29) color: rgb(16, 12, 29)
CMYK cmyk(45%, 59%, 0%, 89%) —
HSV hsv(254, 59%, 11%) —
HWB hwb(254 5% 89%) color: hwb(254 5% 89%)
OKLCH oklch(0.1695 0.035 293.12) color: oklch(0.1695 0.035 293.12)
Lab lab(4.17 5.24 -9.99) color: lab(4.17 5.24 -9.99)
LCH lch(4.17 11.28 297.68) color: lch(4.17 11.28 297.68)

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 19.22:1
vs Black 1.09:1

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)

#0E0E19 — rgb(14, 14, 25)

Deuteranopia (Green-blind)

#0F0F18 — rgb(15, 15, 24)

Tritanopia (Blue-blind)

#101615 — rgb(16, 22, 21)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(255, 40%, 8%);

text

color: hsl(255, 40%, 8%);

border

border: 2px solid hsl(255, 40%, 8%);

gradient light

background: linear-gradient(to right, hsl(255, 40%, 28%), hsl(255, 40%, 8%));

gradient dark

background: linear-gradient(to right, hsl(255, 40%, 8%), hsl(255, 40%, 0%))

hex

background-color: #100C1D;

tailwind

bg-[hsl(255,40%,8%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(255, 40%, 8%, 0.4);

css variable

--color-primary: hsl(255, 40%, 8%);

Related Colors

#121018

255,20,8

#0E0821

255,60,8

#000000

255,40,0

#392B64

255,40,28

#0C0C1D

240,40,8

#0E0C1D

245,40,8

#130C1D

265,40,8

#140C1D

270,40,8

Use Cases for Very Dark Indigo

UI elements Web design Branding Graphic design Print design

Frequently Asked Questions

What are all the color codes for HSL(255, 40%, 8%)?

HEX: #100C1D | RGB: rgb(16, 12, 29) | CMYK: 45%, 59%, 0%, 89% | HSV: 254°, 59%, 11%. Copy any format from the conversion table above.

What colors go well with #100C1D?

The complementary color is HSL(75, 40%, 8%). For a triadic harmony, use hues 255°, 15°, and 135°. For analogous combinations, try hues 225° and 285°. See the Color Harmony section above for complete palettes with previews.

How do I use HSL(255, 40%, 8%) in CSS?

As HSL: color: hsl(255, 40%, 8%); — As HEX: color: #100C1D; — As RGB: color: rgb(16, 12, 29); — Tailwind CSS: bg-[hsl(255,40%,8%)] — CSS variable: --color-primary: hsl(255, 40%, 8%);