#180D0D

Closest named color: Almost Black (#070D0D). oklch(17.5% 0.019 19.2), rgb(24, 13, 13).

Aa

White text reads best on this color (19.05:1).

About this color

#180D0D is a very dark close to neutral grey. In OKLCH its lightness is 17%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.037 away. White text reads best on it, at 19.05:1.

Hue familyNeutrals
Lightnessvery dark (17%)
Chromaclose to neutral grey (0.019)
Temperatureneutral
Nearest nameAlmost Black (#070D0D)
Black text1.10:1
White text19.05:1

Values

HEX#180D0D
RGBrgb(24, 13, 13)
HSLhsl(0, 30%, 7%)
OKLCHoklch(17.5% 0.019 19.2)

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 #180D0D 19.05:1 AAA Lc -107.4 Preferred for body text
Black text on #180D0D 1.10:1 Fails Lc 0.0 Not readable
#180D0D text on white 19.05:1 AAA Lc 105.4 Preferred for body text
#180D0D 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

    #F7F5F4

    oklch(97.1% 0.003 48.7)

  2. Step 100

    100

    #EEE8E8

    oklch(93.6% 0.007 17.3)

  3. Step 200

    200

    #E1D6D6

    oklch(88.5% 0.012 17.4)

  4. Step 300

    300

    #CFBBBB

    oklch(80.9% 0.023 17.6)

  5. Step 400

    400

    #B69898

    oklch(70.7% 0.036 18)

  6. Step 500

    500

    #A47F7E

    oklch(63.2% 0.046 20.2)

  7. Step 600

    600

    #8F6868

    oklch(55.7% 0.05 18.8)

  8. Step 700

    700

    #795656

    oklch(49% 0.047 18.9)

  9. Step 800

    800

    #634746

    oklch(42.8% 0.039 21.1)

  10. Step 900

    900

    #513B3B

    oklch(37.7% 0.031 18.6)

  11. Step 950

    950 (this color)

    #180D0D

    oklch(17.5% 0.019 19.2)

Export this scale for Tailwind in the Tailwind colors tool

#180D0D 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)#0F0F0D0.021
Deuteranopia (no green cones)#12110D0.019
Tritanopia (no blue cones)#1A0C0D0.006
Achromatopsia (no color)#1010100.019

Harmonies

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

Complementary

The opposite hue (180°).

  • #180D0D

    #180D0D

    oklch(17.5% 0.019 19.2)

  • #061314

    #061314

    oklch(17.5% 0.019 201.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #180D0D

    #180D0D

    oklch(17.5% 0.019 19.2)

  • #170D12

    #170D12

    oklch(17.5% 0.02 347.9)

  • #170E09

    #170E09

    oklch(17.4% 0.018 50.3)

Open the analogous palette in the generator

Split complementary

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

  • #180D0D

    #180D0D

    oklch(17.5% 0.019 19.2)

  • #08130F

    #08130F

    oklch(17.4% 0.018 169.4)

  • #071217

    #071217

    oklch(17.4% 0.019 228)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #180D0D

    #180D0D

    oklch(17.5% 0.019 19.2)

  • #0C120A

    #0C120A

    oklch(17.3% 0.019 138)

  • #0B1119

    #0B1119

    oklch(17.6% 0.019 255.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #180D0D

    #180D0D

    oklch(17.5% 0.019 19.2)

  • #111107

    #111107

    oklch(17.4% 0.02 108.3)

  • #061314

    #061314

    oklch(17.5% 0.019 201.7)

  • #100F18

    #100F18

    oklch(17.4% 0.019 289.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #180D0D, closest first.

Similar named colors

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

Use #180D0D 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.