#280011

Closest named color: Very Dark Brown (#1D0200). oklch(18% 0.073 358.6), rgb(40, 0, 17).

Aa

White text reads best on this color (19.12:1).

About this color

#280011 is a very dark, moderately saturated red. In OKLCH its lightness is 18%, its chroma 0.073 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.052 away. White text reads best on it, at 19.12:1.

Hue familyReds
Lightnessvery dark (18%)
Chromamoderately saturated (0.073)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.09:1
White text19.12:1

Values

HEX#280011
RGBrgb(40, 0, 17)
HSLhsl(335, 100%, 8%)
OKLCHoklch(18% 0.073 358.6)

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 #280011 19.12:1 AAA Lc -107.0 Preferred for body text
Black text on #280011 1.09:1 Fails Lc 0.0 Not readable
#280011 text on white 19.12:1 AAA Lc 104.9 Preferred for body text
#280011 text on black 1.09:1 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

    #FDF2F5

    oklch(97.1% 0.012 358.8)

  2. Step 100

    100

    #F9E3E9

    oklch(93.5% 0.025 359.2)

  3. Step 200

    200

    #F5CDD8

    oklch(88.6% 0.047 359.7)

  4. Step 300

    300

    #F0AAC0

    oklch(81% 0.086 358.7)

  5. Step 400

    400

    #E4799F

    oklch(70.7% 0.138 358.7)

  6. Step 500

    500

    #D95188

    oklch(63.1% 0.177 358.4)

  7. Step 600

    600

    #C42E72

    oklch(55.6% 0.193 358.3)

  8. Step 700

    700

    #A91F5F

    oklch(49.1% 0.178 358.7)

  9. Step 800

    800

    #891D4E

    oklch(42.7% 0.148 358.3)

  10. Step 900

    900

    #6F2041

    oklch(37.8% 0.116 358.6)

  11. Step 950

    950 (this color)

    #280011

    oklch(18% 0.073 358.6)

Export this scale for Tailwind in the Tailwind colors tool

#280011 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)#070A110.084
Deuteranopia (no green cones)#1312100.073
Tritanopia (no blue cones)#2C00060.025
Achromatopsia (no color)#0F0F0F0.074

Harmonies

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

Complementary

The opposite hue (180°).

  • #280011

    #280011

    oklch(18% 0.073 358.6)

  • #001612

    #001612

    oklch(17.9% 0.033 180.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #280011

    #280011

    oklch(18% 0.073 358.6)

  • #210221

    #210221

    oklch(17.8% 0.074 328.1)

  • #2A0000

    #2A0000

    oklch(17.9% 0.073 29.2)

Open the analogous palette in the generator

Split complementary

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

  • #280011

    #280011

    oklch(18% 0.073 358.6)

  • #001704

    #001704

    oklch(17.8% 0.052 148)

  • #001519

    #001519

    oklch(17.9% 0.031 210.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #280011

    #280011

    oklch(18% 0.073 358.6)

  • #101400

    #101400

    oklch(18.1% 0.042 118.4)

  • #001421

    #001421

    oklch(18.1% 0.04 237)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #280011

    #280011

    oklch(18% 0.073 358.6)

  • #181000

    #181000

    oklch(17.9% 0.037 87.7)

  • #001612

    #001612

    oklch(17.9% 0.033 180.2)

  • #060D31

    #060D31

    oklch(18.1% 0.072 268.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #280011, closest first.

Similar named colors

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

Use #280011 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.