#280A0B

Closest named color: Very Dark Brown (#1D0200). oklch(19.7% 0.05 21), rgb(40, 10, 11).

Aa

White text reads best on this color (18.44:1).

About this color

#280A0B is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.050 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.047 away. White text reads best on it, at 18.44:1.

Hue familyReds
Lightnessvery dark (20%)
Chromamuted (0.050)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.13:1
White text18.44:1

Values

HEX#280A0B
RGBrgb(40, 10, 11)
HSLhsl(358, 60%, 10%)
OKLCHoklch(19.7% 0.05 21)

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 #280A0B 18.44:1 AAA Lc -107.0 Preferred for body text
Black text on #280A0B 1.13:1 Fails Lc 0.0 Not readable
#280A0B text on white 18.44:1 AAA Lc 104.8 Preferred for body text
#280A0B text on black 1.13:1 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

    #FBF3F3

    oklch(97% 0.009 17.3)

  2. Step 100

    100

    #F5E6E5

    oklch(93.7% 0.016 22.1)

  3. Step 200

    200

    #EFD1D0

    oklch(88.5% 0.034 20.1)

  4. Step 300

    300

    #E5B2B0

    oklch(80.9% 0.06 21.1)

  5. Step 400

    400

    #D68887

    oklch(70.7% 0.096 20.6)

  6. Step 500

    500

    #C96969

    oklch(63.2% 0.122 21.1)

  7. Step 600

    600

    #B44E50

    oklch(55.6% 0.133 21.2)

  8. Step 700

    700

    #9A3E41

    oklch(49% 0.123 20.9)

  9. Step 800

    800

    #7E3436

    oklch(42.8% 0.103 20.9)

  10. Step 900

    900

    #652E2F

    oklch(37.6% 0.08 20.5)

  11. Step 950

    950 (this color)

    #280A0B

    oklch(19.7% 0.05 21)

Export this scale for Tailwind in the Tailwind colors tool

#280A0B 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)#11100B0.055
Deuteranopia (no green cones)#19160A0.050
Tritanopia (no blue cones)#2D050B0.016
Achromatopsia (no color)#1414140.051

Harmonies

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

Complementary

The opposite hue (180°).

  • #280A0B

    #280A0B

    oklch(19.7% 0.05 21)

  • #001A1B

    #001A1B

    oklch(19.8% 0.034 198.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #280A0B

    #280A0B

    oklch(19.7% 0.05 21)

  • #250A18

    #250A18

    oklch(19.6% 0.05 350.4)

  • #260D00

    #260D00

    oklch(19.6% 0.05 52)

Open the analogous palette in the generator

Split complementary

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

  • #280A0B

    #280A0B

    oklch(19.7% 0.05 21)

  • #001B13

    #001B13

    oklch(19.8% 0.039 170.7)

  • #001824

    #001824

    oklch(19.6% 0.04 231.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #280A0B

    #280A0B

    oklch(19.7% 0.05 21)

  • #071B04

    #071B04

    oklch(19.8% 0.052 140.3)

  • #08142C

    #08142C

    oklch(19.6% 0.051 262.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #280A0B

    #280A0B

    oklch(19.7% 0.05 21)

  • #161700

    #161700

    oklch(19.7% 0.044 111.9)

  • #001A1B

    #001A1B

    oklch(19.8% 0.034 198.2)

  • #16102A

    #16102A

    oklch(19.7% 0.051 291.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #280A0B, closest first.

Similar named colors

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

Use #280A0B 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.