#290B1B

Closest named color: Dark Maroon (#3C0008). oklch(20.6% 0.055 349.8), rgb(41, 11, 27).

Aa

White text reads best on this color (18.13:1).

About this color

#290B1B is a very dark, muted red. In OKLCH its lightness is 21%, its chroma 0.055 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.055 away. White text reads best on it, at 18.13:1.

Hue familyReds
Lightnessvery dark (21%)
Chromamuted (0.055)
Temperaturewarm
Nearest nameDark Maroon (#3C0008)
Black text1.15:1
White text18.13:1

Values

HEX#290B1B
RGBrgb(41, 11, 27)
HSLhsl(328, 58%, 10%)
OKLCHoklch(20.6% 0.055 349.8)

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 #290B1B 18.13:1 AAA Lc -106.8 Preferred for body text
Black text on #290B1B 1.15:1 Fails Lc 0.0 Not readable
#290B1B text on white 18.13:1 AAA Lc 104.6 Preferred for body text
#290B1B text on black 1.15:1 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

    #FAF3F6

    oklch(97% 0.008 349.2)

  2. Step 100

    100

    #F4E5EC

    oklch(93.6% 0.019 347.4)

  3. Step 200

    200

    #EDD0DC

    oklch(88.5% 0.036 350.9)

  4. Step 300

    300

    #E2B0C7

    oklch(80.9% 0.065 349.3)

  5. Step 400

    400

    #D285AA

    oklch(70.7% 0.105 349.8)

  6. Step 500

    500

    #C46595

    oklch(63.2% 0.133 350)

  7. Step 600

    600

    #AF4A7F

    oklch(55.7% 0.144 350.2)

  8. Step 700

    700

    #963A6B

    oklch(49.1% 0.135 350.2)

  9. Step 800

    800

    #7A3158

    oklch(42.8% 0.112 349.7)

  10. Step 900

    900

    #622C48

    oklch(37.6% 0.086 349.7)

  11. Step 950

    950 (this color)

    #290B1B

    oklch(20.6% 0.055 349.8)

Export this scale for Tailwind in the Tailwind colors tool

#290B1B 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)#0F121B0.059
Deuteranopia (no green cones)#17181A0.055
Tritanopia (no blue cones)#2C0A110.021
Achromatopsia (no color)#1616160.055

Harmonies

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

Complementary

The opposite hue (180°).

  • #290B1B

    #290B1B

    oklch(20.6% 0.055 349.8)

  • #001D14

    #001D14

    oklch(20.5% 0.041 169.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #290B1B

    #290B1B

    oklch(20.6% 0.055 349.8)

  • #220E27

    #220E27

    oklch(20.7% 0.055 319.3)

  • #2C0B0D

    #2C0B0D

    oklch(20.7% 0.055 19.7)

Open the analogous palette in the generator

Split complementary

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

  • #290B1B

    #290B1B

    oklch(20.6% 0.055 349.8)

  • #081D04

    #081D04

    oklch(20.6% 0.054 139.8)

  • #001C1E

    #001C1E

    oklch(20.6% 0.035 201.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #290B1B

    #290B1B

    oklch(20.6% 0.055 349.8)

  • #191900

    #191900

    oklch(20.7% 0.045 109.8)

  • #001B26

    #001B26

    oklch(20.7% 0.04 227.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #290B1B

    #290B1B

    oklch(20.6% 0.055 349.8)

  • #221500

    #221500

    oklch(20.8% 0.043 79.6)

  • #001D14

    #001D14

    oklch(20.5% 0.041 169.3)

  • #071730

    #071730

    oklch(20.7% 0.054 258.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #290B1B, closest first.

Similar named colors

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

Use #290B1B 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.