HSL(255, 63%, 9%)

Very Dark Indigo — Indigo color

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Color Information

Color Name

Very Dark Indigo

Color Family

Indigo

Warm / Cool

🔵 Cool

Temperature

9000K

CSS Class

bg-[hsl(255,63%,9%)]

Color Conversions

Format Value CSS Usage
HSL hsl(255, 63%, 9%) color: hsl(255, 63%, 9%)
HEX #100825 color: #100825
RGB rgb(16, 8, 37) color: rgb(16, 8, 37)
CMYK cmyk(57%, 78%, 0%, 85%)
HSV hsv(257, 78%, 15%)
HWB hwb(257 3% 85%) color: hwb(257 3% 85%)
OKLCH oklch(0.1668 0.0576 291.81) color: oklch(0.1668 0.0576 291.81)
Lab lab(3.77 9.74 -16.83) color: lab(3.77 9.74 -16.83)
LCH lch(3.77 19.45 300.06) color: lch(3.77 19.45 300.06)

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 19.38:1
vs Black 1.08:1

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)

#0D0C1E — rgb(13, 12, 30)

Deuteranopia (Green-blind)

#0D0E1C — rgb(13, 14, 28)

Tritanopia (Blue-blind)

#101817 — rgb(16, 24, 23)

Tints & Shades

Tints (Lighter →)

← Shades (Darker)

Saturation (0% → 100%)

CSS Code Snippets

background

background-color: hsl(255, 63%, 9%);

text

color: hsl(255, 63%, 9%);

border

border: 2px solid hsl(255, 63%, 9%);

gradient light

background: linear-gradient(to right, hsl(255, 63%, 29%), hsl(255, 63%, 9%));

gradient dark

background: linear-gradient(to right, hsl(255, 63%, 9%), hsl(255, 63%, 0%))

hex

background-color: #100825;

tailwind

bg-[hsl(255,63%,9%)]

box shadow

box-shadow: 0 4px 6px -1px hsl(255, 63%, 9%, 0.4);

css variable

--color-primary: hsl(255, 63%, 9%);

Related Colors

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, 63%, 9%)?

HEX: #100825 | RGB: rgb(16, 8, 37) | CMYK: 57%, 78%, 0%, 85% | HSV: 257°, 78%, 15%. Copy any format from the conversion table above.

What colors go well with #100825?

The complementary color is HSL(75, 63%, 9%). 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, 63%, 9%) in CSS?

As HSL: color: hsl(255, 63%, 9%); — As HEX: color: #100825; — As RGB: color: rgb(16, 8, 37); — Tailwind CSS: bg-[hsl(255,63%,9%)] — CSS variable: --color-primary: hsl(255, 63%, 9%);