#11121D

Closest named color: Rich Navy (#001219). oklch(18.7% 0.022 280), rgb(17, 18, 29).

Aa

White text reads best on this color (18.61:1).

About this color

#11121D is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.032 away. White text reads best on it, at 18.61:1.

Hue familyNeutrals
Lightnessvery dark (19%)
Chromaclose to neutral grey (0.022)
Temperatureneutral
Nearest nameRich Navy (#001219)
Black text1.12:1
White text18.61:1

Values

HEX#11121D
RGBrgb(17, 18, 29)
HSLhsl(235, 26%, 9%)
OKLCHoklch(18.7% 0.022 280)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #11121D 18.61:1 AAA Lc -107.2 Preferred for body text
Black text on #11121D 1.12:1 Fails Lc 0.0 Not readable
#11121D text on white 18.61:1 AAA Lc 105.2 Preferred for body text
#11121D text on black 1.12:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #F5F5F8

    oklch(97.1% 0.004 286.3)

  2. Step 100

    100

    #E9E9EF

    oklch(93.6% 0.008 286.2)

  3. Step 200

    200

    #D7D8E3

    oklch(88.5% 0.015 281.9)

  4. Step 300

    300

    #BDBFD2

    oklch(80.9% 0.027 281)

  5. Step 400

    400

    #9B9EBB

    oklch(70.7% 0.042 280.6)

  6. Step 500

    500

    #8286AA

    oklch(63% 0.054 279.8)

  7. Step 600

    600

    #6C7096

    oklch(55.6% 0.059 279.6)

  8. Step 700

    700

    #5A5D80

    oklch(49% 0.056 280.3)

  9. Step 800

    800

    #4A4C68

    oklch(42.6% 0.046 281.1)

  10. Step 900

    900

    #3E4054

    oklch(37.8% 0.034 280.2)

  11. Step 950

    950 (this color)

    #11121D

    oklch(18.7% 0.022 280)

Export this scale for Tailwind in the Tailwind colors tool

#11121D with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#0F131D0.005
Deuteranopia (no green cones)#0E121D0.006
Tritanopia (no blue cones)#0E14160.019
Achromatopsia (no color)#1313130.022

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #11121D

    #11121D

    oklch(18.7% 0.022 280)

  • #151307

    #151307

    oklch(18.5% 0.023 100.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #11121D

    #11121D

    oklch(18.7% 0.022 280)

  • #0B141D

    #0B141D

    oklch(18.7% 0.023 249.1)

  • #16101B

    #16101B

    oklch(18.6% 0.024 309)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #11121D

    #11121D

    oklch(18.7% 0.022 280)

  • #1A1108

    #1A1108

    oklch(18.7% 0.023 66.1)

  • #10150A

    #10150A

    oklch(18.7% 0.023 128.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #11121D

    #11121D

    oklch(18.7% 0.022 280)

  • #1C100B

    #1C100B

    oklch(18.8% 0.023 43.5)

  • #0A1610

    #0A1610

    oklch(18.6% 0.021 161.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #11121D

    #11121D

    oklch(18.7% 0.022 280)

  • #1C0F11

    #1C0F11

    oklch(18.7% 0.022 9.4)

  • #151307

    #151307

    oklch(18.5% 0.023 100.2)

  • #061615

    #061615

    oklch(18.5% 0.022 190.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #11121D, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #11121D in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.