#09111C

Closest named color: Rich Navy (#001219). oklch(17.6% 0.026 256.4), rgb(9, 17, 28).

Aa

White text reads best on this color (18.94:1).

About this color

#09111C is a very dark close to neutral grey. In OKLCH its lightness is 18%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.019 away. White text reads best on it, at 18.94:1.

Hue familyNeutrals
Lightnessvery dark (18%)
Chromaclose to neutral grey (0.026)
Temperatureneutral
Nearest nameRich Navy (#001219)
Black text1.10:1
White text18.94:1

Values

HEX#09111C
RGBrgb(9, 17, 28)
HSLhsl(215, 51%, 7%)
OKLCHoklch(17.6% 0.026 256.4)

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 #09111C 18.94:1 AAA Lc -107.4 Preferred for body text
Black text on #09111C 1.10:1 Fails Lc 0.0 Not readable
#09111C text on white 18.94:1 AAA Lc 105.4 Preferred for body text
#09111C text on black 1.10:1 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

    #F4F6F8

    oklch(97.2% 0.003 247.9)

  2. Step 100

    100

    #E6EAF0

    oklch(93.6% 0.009 258.3)

  3. Step 200

    200

    #D2DAE5

    oklch(88.6% 0.017 256.3)

  4. Step 300

    300

    #B4C2D5

    oklch(80.9% 0.031 256)

  5. Step 400

    400

    #8DA2C0

    oklch(70.6% 0.05 257.3)

  6. Step 500

    500

    #718BB0

    oklch(63.1% 0.064 257.2)

  7. Step 600

    600

    #59759B

    oklch(55.6% 0.068 256.2)

  8. Step 700

    700

    #496285

    oklch(49.1% 0.064 256.9)

  9. Step 800

    800

    #3C506C

    oklch(42.7% 0.053 256.9)

  10. Step 900

    900

    #334357

    oklch(37.8% 0.04 254.3)

  11. Step 950

    950 (this color)

    #09111C

    oklch(17.6% 0.026 256.4)

Export this scale for Tailwind in the Tailwind colors tool

#09111C 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)#0D121C0.008
Deuteranopia (no green cones)#0A101C0.004
Tritanopia (no blue cones)#0313150.022
Achromatopsia (no color)#1111110.026

Harmonies

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

Complementary

The opposite hue (180°).

  • #09111C

    #09111C

    oklch(17.6% 0.026 256.4)

  • #170F04

    #170F04

    oklch(17.5% 0.026 77.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #09111C

    #09111C

    oklch(17.6% 0.026 256.4)

  • #041319

    #041319

    oklch(17.6% 0.025 224.8)

  • #100F1C

    #100F1C

    oklch(17.7% 0.027 286.9)

Open the analogous palette in the generator

Split complementary

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

  • #09111C

    #09111C

    oklch(17.6% 0.026 256.4)

  • #1A0D07

    #1A0D07

    oklch(17.6% 0.026 46.5)

  • #121104

    #121104

    oklch(17.4% 0.026 105.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #09111C

    #09111C

    oklch(17.6% 0.026 256.4)

  • #1B0C0D

    #1B0C0D

    oklch(17.7% 0.026 15.8)

  • #0B1308

    #0B1308

    oklch(17.5% 0.025 137.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #09111C

    #09111C

    oklch(17.6% 0.026 256.4)

  • #190C13

    #190C13

    oklch(17.6% 0.026 346.6)

  • #170F04

    #170F04

    oklch(17.5% 0.026 77.1)

  • #05140E

    #05140E

    oklch(17.5% 0.025 166.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #09111C, closest first.

Similar named colors

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

Use #09111C 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.