#280B2E

Closest named color: Very Dark Purple (#2A0134). oklch(21.6% 0.073 320.4), rgb(40, 11, 46).

Aa

White text reads best on this color (17.83:1).

About this color

#280B2E is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.073 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.026 away. White text reads best on it, at 17.83:1.

Hue familyPurples
Lightnessvery dark (22%)
Chromamoderately saturated (0.073)
Temperaturein between
Nearest nameVery Dark Purple (#2A0134)
Black text1.17:1
White text17.83:1

Values

HEX#280B2E
RGBrgb(40, 11, 46)
HSLhsl(290, 61%, 11%)
OKLCHoklch(21.6% 0.073 320.4)

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 #280B2E 17.83:1 AAA Lc -106.6 Preferred for body text
Black text on #280B2E 1.17:1 Fails Lc 0.0 Not readable
#280B2E text on white 17.83:1 AAA Lc 104.3 Preferred for body text
#280B2E text on black 1.17:1 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

    #F9F3FA

    oklch(97.1% 0.011 321.3)

  2. Step 100

    100

    #F2E5F4

    oklch(93.7% 0.024 321.7)

  3. Step 200

    200

    #E8CFED

    oklch(88.4% 0.049 320.6)

  4. Step 300

    300

    #DAAFE3

    oklch(80.9% 0.086 320.5)

  5. Step 400

    400

    #C782D6

    oklch(70.7% 0.14 320.3)

  6. Step 500

    500

    #B85FCA

    oklch(63.1% 0.178 320.7)

  7. Step 600

    600

    #A342B7

    oklch(55.7% 0.192 320.4)

  8. Step 700

    700

    #8B329D

    oklch(49% 0.179 320.5)

  9. Step 800

    800

    #712B80

    oklch(42.7% 0.149 320.1)

  10. Step 900

    900

    #5C2867

    oklch(37.7% 0.117 320.3)

  11. Step 950

    950 (this color)

    #280B2E

    oklch(21.6% 0.073 320.4)

Export this scale for Tailwind in the Tailwind colors tool

#280B2E 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)#04162F0.072
Deuteranopia (no green cones)#0E192D0.063
Tritanopia (no blue cones)#28111B0.045
Achromatopsia (no color)#1818180.074

Harmonies

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

Complementary

The opposite hue (180°).

  • #280B2E

    #280B2E

    oklch(21.6% 0.073 320.4)

  • #032100

    #032100

    oklch(21.6% 0.071 140.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #280B2E

    #280B2E

    oklch(21.6% 0.073 320.4)

  • #1B1138

    #1B1138

    oklch(21.7% 0.072 290.9)

  • #31071E

    #31071E

    oklch(21.8% 0.073 351.1)

Open the analogous palette in the generator

Split complementary

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

  • #280B2E

    #280B2E

    oklch(21.6% 0.073 320.4)

  • #1B1B00

    #1B1B00

    oklch(21.5% 0.047 109.8)

  • #002017

    #002017

    oklch(21.7% 0.043 170.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #280B2E

    #280B2E

    oklch(21.6% 0.073 320.4)

  • #241700

    #241700

    oklch(21.6% 0.045 81.1)

  • #001F21

    #001F21

    oklch(21.8% 0.037 200.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #280B2E

    #280B2E

    oklch(21.6% 0.073 320.4)

  • #2E1000

    #2E1000

    oklch(21.7% 0.057 50)

  • #032100

    #032100

    oklch(21.6% 0.071 140.7)

  • #001D2A

    #001D2A

    oklch(21.6% 0.043 230.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #280B2E, closest first.

Similar named colors

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

Use #280B2E 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.