#290B01

Closest named color: Very Dark Brown (#1D0200). oklch(19.8% 0.055 43.3), rgb(41, 11, 1).

Aa

White text reads best on this color (18.37:1).

About this color

#290B01 is a very dark, muted brown. In OKLCH its lightness is 20%, its chroma 0.055 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.048 away. White text reads best on it, at 18.37:1.

Hue familyBrowns
Lightnessvery dark (20%)
Chromamuted (0.055)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.14:1
White text18.37:1

Values

HEX#290B01
RGBrgb(41, 11, 1)
HSLhsl(15, 95%, 8%)
OKLCHoklch(19.8% 0.055 43.3)

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 #290B01 18.37:1 AAA Lc -106.9 Preferred for body text
Black text on #290B01 1.14:1 Fails Lc 0.0 Not readable
#290B01 text on white 18.37:1 AAA Lc 104.7 Preferred for body text
#290B01 text on black 1.14:1 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

    #FBF4F1

    oklch(97.2% 0.009 44.9)

  2. Step 100

    100

    #F6E6E0

    oklch(93.6% 0.019 41.8)

  3. Step 200

    200

    #EFD2C6

    oklch(88.5% 0.037 43.8)

  4. Step 300

    300

    #E6B49F

    oklch(81% 0.065 43.9)

  5. Step 400

    400

    #D78B6B

    oklch(70.7% 0.104 43.5)

  6. Step 500

    500

    #CB6B42

    oklch(63.1% 0.134 42.9)

  7. Step 600

    600

    #B65120

    oklch(55.7% 0.144 43.4)

  8. Step 700

    700

    #9D4011

    oklch(49.1% 0.136 42.9)

  9. Step 800

    800

    #7F3612

    oklch(42.7% 0.111 43.5)

  10. Step 900

    900

    #673017

    oklch(37.8% 0.087 43.5)

  11. Step 950

    950 (this color)

    #290B01

    oklch(19.8% 0.055 43.3)

Export this scale for Tailwind in the Tailwind colors tool

#290B01 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)#1410000.052
Deuteranopia (no green cones)#1B17010.048
Tritanopia (no blue cones)#2E05080.026
Achromatopsia (no color)#1414140.055

Harmonies

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

Complementary

The opposite hue (180°).

  • #290B01

    #290B01

    oklch(19.8% 0.055 43.3)

  • #001922

    #001922

    oklch(19.8% 0.037 223.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #290B01

    #290B01

    oklch(19.8% 0.055 43.3)

  • #29080E

    #29080E

    oklch(19.6% 0.055 12.8)

  • #211200

    #211200

    oklch(19.8% 0.042 72.8)

Open the analogous palette in the generator

Split complementary

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

  • #290B01

    #290B01

    oklch(19.8% 0.055 43.3)

  • #001A1A

    #001A1A

    oklch(19.7% 0.034 194.8)

  • #02162E

    #02162E

    oklch(19.9% 0.056 253.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #290B01

    #290B01

    oklch(19.8% 0.055 43.3)

  • #001B10

    #001B10

    oklch(19.7% 0.042 163.9)

  • #13112D

    #13112D

    oklch(19.8% 0.054 283.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #290B01

    #290B01

    oklch(19.8% 0.055 43.3)

  • #0B1A00

    #0B1A00

    oklch(19.6% 0.055 132.4)

  • #001922

    #001922

    oklch(19.8% 0.037 223.9)

  • #1E0D27

    #1E0D27

    oklch(19.9% 0.054 312.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #290B01, closest first.

Similar named colors

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

Use #290B01 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.