#151A09

Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.032 122.6), rgb(21, 26, 9).

Aa

White text reads best on this color (17.74:1).

About this color

#151A09 is a very dark, muted brown. In OKLCH its lightness is 21%, its chroma 0.032 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.062 away. White text reads best on it, at 17.74:1.

Hue familyBrowns
Lightnessvery dark (21%)
Chromamuted (0.032)
Temperaturein between
Nearest nameRich Black (#0D1B2A)
Black text1.18:1
White text17.74:1

Values

HEX#151A09
RGBrgb(21, 26, 9)
HSLhsl(78, 49%, 7%)
OKLCHoklch(20.7% 0.032 122.6)

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 #151A09 17.74:1 AAA Lc -106.7 Preferred for body text
Black text on #151A09 1.18:1 Fails Lc 0.0 Not readable
#151A09 text on white 17.74:1 AAA Lc 104.5 Preferred for body text
#151A09 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

    #F5F6F2

    oklch(97.1% 0.005 117.9)

  2. Step 100

    100

    #E8EBE3

    oklch(93.6% 0.011 123.5)

  3. Step 200

    200

    #D6DCCD

    oklch(88.6% 0.021 124.7)

  4. Step 300

    300

    #BCC5AB

    oklch(80.9% 0.037 122.8)

  5. Step 400

    400

    #9AA77E

    oklch(70.7% 0.059 122.2)

  6. Step 500

    500

    #81915C

    oklch(63% 0.077 122.3)

  7. Step 600

    600

    #6A7B42

    oklch(55.5% 0.083 122.7)

  8. Step 700

    700

    #596834

    oklch(49.2% 0.078 122.5)

  9. Step 800

    800

    #49552B

    oklch(42.8% 0.065 122.3)

  10. Step 900

    900

    #3D4627

    oklch(37.7% 0.05 122)

  11. Step 950

    950 (this color)

    #151A09

    oklch(20.7% 0.032 122.6)

Export this scale for Tailwind in the Tailwind colors tool

#151A09 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)#1C18080.014
Deuteranopia (no green cones)#1B180A0.014
Tritanopia (no blue cones)#1619160.025
Achromatopsia (no color)#1818180.032

Harmonies

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

Complementary

The opposite hue (180°).

  • #151A09

    #151A09

    oklch(20.7% 0.032 122.6)

  • #1A1424

    #1A1424

    oklch(20.7% 0.032 300.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #151A09

    #151A09

    oklch(20.7% 0.032 122.6)

  • #1D1706

    #1D1706

    oklch(20.7% 0.031 90.7)

  • #0C1C11

    #0C1C11

    oklch(20.8% 0.031 153)

Open the analogous palette in the generator

Split complementary

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

  • #151A09

    #151A09

    oklch(20.7% 0.032 122.6)

  • #131726

    #131726

    oklch(20.8% 0.031 272.1)

  • #20121E

    #20121E

    oklch(20.7% 0.032 331.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #151A09

    #151A09

    oklch(20.7% 0.032 122.6)

  • #0A1925

    #0A1925

    oklch(20.7% 0.032 244.3)

  • #241116

    #241116

    oklch(20.7% 0.033 3.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #151A09

    #151A09

    oklch(20.7% 0.032 122.6)

  • #031B20

    #031B20

    oklch(20.6% 0.032 213.2)

  • #1A1424

    #1A1424

    oklch(20.7% 0.032 300.9)

  • #24120E

    #24120E

    oklch(20.7% 0.031 33.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #151A09, closest first.

Similar named colors

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

Use #151A09 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.