#290B04

Closest named color: Very Dark Brown (#1D0200). oklch(19.9% 0.053 36.7), rgb(41, 11, 4).

Aa

White text reads best on this color (18.35:1).

About this color

#290B04 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.053 and its hue 37°. 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 18.35:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamuted (0.053)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.14:1
White text18.35:1

Values

HEX#290B04
RGBrgb(41, 11, 4)
HSLhsl(11, 82%, 9%)
OKLCHoklch(19.9% 0.053 36.7)

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 #290B04 18.35:1 AAA Lc -106.9 Preferred for body text
Black text on #290B04 1.14:1 Fails Lc 0.0 Not readable
#290B04 text on white 18.35:1 AAA Lc 104.7 Preferred for body text
#290B04 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

    #F6E6E1

    oklch(93.6% 0.019 38.1)

  3. Step 200

    200

    #EFD2C9

    oklch(88.6% 0.035 38)

  4. Step 300

    300

    #E6B3A5

    oklch(80.9% 0.063 35.9)

  5. Step 400

    400

    #D78A74

    oklch(70.7% 0.1 36.7)

  6. Step 500

    500

    #CA6B50

    oklch(63.2% 0.127 36.7)

  7. Step 600

    600

    #B55033

    oklch(55.5% 0.139 36.8)

  8. Step 700

    700

    #9C4026

    oklch(49.1% 0.129 36.5)

  9. Step 800

    800

    #7F3521

    oklch(42.7% 0.108 36.1)

  10. Step 900

    900

    #662F20

    oklch(37.6% 0.083 36.2)

  11. Step 950

    950 (this color)

    #290B04

    oklch(19.9% 0.053 36.7)

Export this scale for Tailwind in the Tailwind colors tool

#290B04 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)#1310030.054
Deuteranopia (no green cones)#1B17030.049
Tritanopia (no blue cones)#2E05090.023
Achromatopsia (no color)#1414140.053

Harmonies

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

Complementary

The opposite hue (180°).

  • #290B04

    #290B04

    oklch(19.9% 0.053 36.7)

  • #001A20

    #001A20

    oklch(20% 0.035 214.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #290B04

    #290B04

    oklch(19.9% 0.053 36.7)

  • #290912

    #290912

    oklch(19.9% 0.054 6.1)

  • #231100

    #231100

    oklch(19.9% 0.044 66.2)

Open the analogous palette in the generator

Split complementary

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

  • #290B04

    #290B04

    oklch(19.9% 0.053 36.7)

  • #001B18

    #001B18

    oklch(20% 0.035 185)

  • #00172C

    #00172C

    oklch(19.9% 0.053 247.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #290B04

    #290B04

    oklch(19.9% 0.053 36.7)

  • #001C0C

    #001C0C

    oklch(19.9% 0.048 155.9)

  • #10122D

    #10122D

    oklch(19.8% 0.053 277.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #290B04

    #290B04

    oklch(19.9% 0.053 36.7)

  • #101A00

    #101A00

    oklch(20% 0.051 126.5)

  • #001A20

    #001A20

    oklch(20% 0.035 214.7)

  • #1C0E28

    #1C0E28

    oklch(19.8% 0.053 307.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #290B04, closest first.

Similar named colors

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

Use #290B04 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.