#151F11

Closest named color: Jet (#212529). oklch(22.5% 0.03 137), rgb(21, 31, 17).

Aa

White text reads best on this color (16.99:1).

About this color

#151F11 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.051 away. White text reads best on it, at 16.99:1.

Hue familyNeutrals
Lightnessvery dark (22%)
Chromaclose to neutral grey (0.030)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.23:1
White text16.99:1

Values

HEX#151F11
RGBrgb(21, 31, 17)
HSLhsl(103, 29%, 9%)
OKLCHoklch(22.5% 0.03 137)

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 #151F11 16.99:1 AAA Lc -106.2 Preferred for body text
Black text on #151F11 1.23:1 Fails Lc 0.0 Not readable
#151F11 text on white 16.99:1 AAA Lc 103.9 Preferred for body text
#151F11 text on black 1.23:1 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

    #F4F6F3

    oklch(97.1% 0.004 134.8)

  2. Step 100

    100

    #E7EBE5

    oklch(93.5% 0.009 134.9)

  3. Step 200

    200

    #D3DCD0

    oklch(88.4% 0.019 137.8)

  4. Step 300

    300

    #B6C6B0

    oklch(80.8% 0.035 137.1)

  5. Step 400

    400

    #90A987

    oklch(70.6% 0.056 137.5)

  6. Step 500

    500

    #759468

    oklch(63.1% 0.073 136.6)

  7. Step 600

    600

    #5D7E50

    oklch(55.5% 0.078 137.2)

  8. Step 700

    700

    #4D6A40

    oklch(49% 0.073 136.4)

  9. Step 800

    800

    #3F5735

    oklch(42.7% 0.061 136.8)

  10. Step 900

    900

    #36482E

    oklch(37.8% 0.048 136.3)

  11. Step 950

    950 (this color)

    #151F11

    oklch(22.5% 0.03 137)

Export this scale for Tailwind in the Tailwind colors tool

#151F11 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)#201D100.020
Deuteranopia (no green cones)#1E1C120.019
Tritanopia (no blue cones)#151E1B0.020
Achromatopsia (no color)#1C1C1C0.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #151F11

    #151F11

    oklch(22.5% 0.03 137)

  • #211725

    #211725

    oklch(22.4% 0.03 316.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #151F11

    #151F11

    oklch(22.5% 0.03 137)

  • #1D1D0C

    #1D1D0C

    oklch(22.6% 0.03 108.6)

  • #0C2019

    #0C2019

    oklch(22.4% 0.03 168.7)

Open the analogous palette in the generator

Split complementary

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

  • #151F11

    #151F11

    oklch(22.5% 0.03 137)

  • #1B1A29

    #1B1A29

    oklch(22.6% 0.029 286.9)

  • #26161E

    #26161E

    oklch(22.5% 0.029 348.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #151F11

    #151F11

    oklch(22.5% 0.03 137)

  • #131C2A

    #131C2A

    oklch(22.5% 0.031 259)

  • #281617

    #281617

    oklch(22.5% 0.029 16.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #151F11

    #151F11

    oklch(22.5% 0.03 137)

  • #0B1F27

    #0B1F27

    oklch(22.7% 0.03 226.6)

  • #211725

    #211725

    oklch(22.4% 0.03 316.1)

  • #27170F

    #27170F

    oklch(22.4% 0.03 47.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #151F11, closest first.

Similar named colors

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

Use #151F11 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.