#23090A

Closest named color: Very Dark Brown (#1D0200). oklch(18.5% 0.045 20.1), rgb(35, 9, 10).

Aa

White text reads best on this color (18.83:1).

About this color

#23090A is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.045 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.037 away. White text reads best on it, at 18.83:1.

Hue familyReds
Lightnessvery dark (18%)
Chromamuted (0.045)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.11:1
White text18.83:1

Values

HEX#23090A
RGBrgb(35, 9, 10)
HSLhsl(358, 59%, 9%)
OKLCHoklch(18.5% 0.045 20.1)

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 #23090A 18.83:1 AAA Lc -107.2 Preferred for body text
Black text on #23090A 1.11:1 Fails Lc 0.0 Not readable
#23090A text on white 18.83:1 AAA Lc 105.1 Preferred for body text
#23090A text on black 1.11:1 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

    #FAF4F3

    oklch(97.2% 0.007 28.8)

  2. Step 100

    100

    #F4E6E5

    oklch(93.6% 0.015 22.4)

  3. Step 200

    200

    #ECD2D1

    oklch(88.5% 0.029 20.4)

  4. Step 300

    300

    #E1B4B2

    oklch(81% 0.053 21.3)

  5. Step 400

    400

    #D08B8B

    oklch(70.6% 0.085 19.4)

  6. Step 500

    500

    #C26D6E

    oklch(63% 0.108 19.8)

  7. Step 600

    600

    #AD5456

    oklch(55.6% 0.117 20.2)

  8. Step 700

    700

    #954446

    oklch(49.2% 0.109 20.4)

  9. Step 800

    800

    #79383A

    oklch(42.7% 0.091 19.8)

  10. Step 900

    900

    #623132

    oklch(37.7% 0.071 19.7)

  11. Step 950

    950 (this color)

    #23090A

    oklch(18.5% 0.045 20.1)

Export this scale for Tailwind in the Tailwind colors tool

#23090A 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)#0F0E0A0.048
Deuteranopia (no green cones)#1613090.043
Tritanopia (no blue cones)#27060A0.012
Achromatopsia (no color)#1111110.045

Harmonies

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

Complementary

The opposite hue (180°).

  • #23090A

    #23090A

    oklch(18.5% 0.045 20.1)

  • #001718

    #001718

    oklch(18.6% 0.032 198.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #23090A

    #23090A

    oklch(18.5% 0.045 20.1)

  • #210915

    #210915

    oklch(18.5% 0.045 351.2)

  • #220B01

    #220B01

    oklch(18.4% 0.046 49.3)

Open the analogous palette in the generator

Split complementary

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

  • #23090A

    #23090A

    oklch(18.5% 0.045 20.1)

  • #001810

    #001810

    oklch(18.6% 0.037 169.2)

  • #001520

    #001520

    oklch(18.4% 0.037 231.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #23090A

    #23090A

    oklch(18.5% 0.045 20.1)

  • #071704

    #071704

    oklch(18.4% 0.044 139.6)

  • #071226

    #071226

    oklch(18.5% 0.044 261)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #23090A

    #23090A

    oklch(18.5% 0.045 20.1)

  • #141400

    #141400

    oklch(18.5% 0.04 109.8)

  • #001718

    #001718

    oklch(18.6% 0.032 198.5)

  • #130E25

    #130E25

    oklch(18.4% 0.046 291.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #23090A, closest first.

Similar named colors

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

Use #23090A 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.