#091C16

Closest named color: Rich Black (#0D1B2A). oklch(20.8% 0.028 170.7), rgb(9, 28, 22).

Aa

White text reads best on this color (17.65:1).

About this color

#091C16 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.043 away. White text reads best on it, at 17.65:1.

Hue familyNeutrals
Lightnessvery dark (21%)
Chromaclose to neutral grey (0.028)
Temperatureneutral
Nearest nameRich Black (#0D1B2A)
Black text1.18:1
White text17.65:1

Values

HEX#091C16
RGBrgb(9, 28, 22)
HSLhsl(161, 51%, 7%)
OKLCHoklch(20.8% 0.028 170.7)

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 #091C16 17.65:1 AAA Lc -106.6 Preferred for body text
Black text on #091C16 1.18:1 Fails Lc 0.0 Not readable
#091C16 text on white 17.65:1 AAA Lc 104.4 Preferred for body text
#091C16 text on black 1.18:1 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

    #F3F6F5

    oklch(97.1% 0.003 174.5)

  2. Step 100

    100

    #E4ECE9

    oklch(93.6% 0.009 171.8)

  3. Step 200

    200

    #CEDDD7

    oklch(88.5% 0.018 170)

  4. Step 300

    300

    #ACC8BD

    oklch(80.9% 0.034 169.8)

  5. Step 400

    400

    #7FAC9C

    oklch(70.7% 0.054 170.8)

  6. Step 500

    500

    #5D9784

    oklch(63.1% 0.068 171.2)

  7. Step 600

    600

    #42816D

    oklch(55.5% 0.073 170.7)

  8. Step 700

    700

    #336D5B

    oklch(49% 0.068 170.7)

  9. Step 800

    800

    #2B594B

    oklch(42.7% 0.056 171.5)

  10. Step 900

    900

    #28493E

    oklch(37.6% 0.044 170.5)

  11. Step 950

    950 (this color)

    #091C16

    oklch(20.8% 0.028 170.7)

Export this scale for Tailwind in the Tailwind colors tool

#091C16 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)#1B1A160.029
Deuteranopia (no green cones)#1818160.027
Tritanopia (no blue cones)#041C1A0.009
Achromatopsia (no color)#1919190.029

Harmonies

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

Complementary

The opposite hue (180°).

  • #091C16

    #091C16

    oklch(20.8% 0.028 170.7)

  • #221219

    #221219

    oklch(20.7% 0.029 352.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #091C16

    #091C16

    oklch(20.8% 0.028 170.7)

  • #111B0F

    #111B0F

    oklch(20.8% 0.027 140.4)

  • #061C1D

    #061C1D

    oklch(20.9% 0.028 199.3)

Open the analogous palette in the generator

Split complementary

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

  • #091C16

    #091C16

    oklch(20.8% 0.028 170.7)

  • #1E1420

    #1E1420

    oklch(21% 0.028 320.7)

  • #231312

    #231312

    oklch(20.9% 0.027 23.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #091C16

    #091C16

    oklch(20.8% 0.028 170.7)

  • #181624

    #181624

    oklch(21% 0.028 290.4)

  • #22140C

    #22140C

    oklch(20.8% 0.028 50.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #091C16

    #091C16

    oklch(20.8% 0.028 170.7)

  • #101825

    #101825

    oklch(20.8% 0.029 259.9)

  • #221219

    #221219

    oklch(20.7% 0.029 352.1)

  • #1E1608

    #1E1608

    oklch(20.6% 0.028 80.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #091C16, closest first.

Similar named colors

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

Use #091C16 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.