#280B2D

Closest named color: Very Dark Purple (#2A0134). oklch(21.6% 0.072 321.5), rgb(40, 11, 45).

Aa

White text reads best on this color (17.85:1).

About this color

#280B2D is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.072 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.027 away. White text reads best on it, at 17.85:1.

Hue familyPurples
Lightnessvery dark (22%)
Chromamoderately saturated (0.072)
Temperaturein between
Nearest nameVery Dark Purple (#2A0134)
Black text1.17:1
White text17.85:1

Values

HEX#280B2D
RGBrgb(40, 11, 45)
HSLhsl(291, 61%, 11%)
OKLCHoklch(21.6% 0.072 321.5)

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 #280B2D 17.85:1 AAA Lc -106.6 Preferred for body text
Black text on #280B2D 1.17:1 Fails Lc 0.0 Not readable
#280B2D text on white 17.85:1 AAA Lc 104.3 Preferred for body text
#280B2D 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

    #E8CFEC

    oklch(88.4% 0.048 321.6)

  4. Step 300

    300

    #DBAFE2

    oklch(81% 0.085 321.7)

  5. Step 400

    400

    #C782D3

    oklch(70.6% 0.137 321.5)

  6. Step 500

    500

    #B860C8

    oklch(63.2% 0.174 321.3)

  7. Step 600

    600

    #A342B4

    oklch(55.5% 0.19 321.4)

  8. Step 700

    700

    #8C339B

    oklch(49.1% 0.176 321.6)

  9. Step 800

    800

    #722B7E

    oklch(42.7% 0.147 321.6)

  10. Step 900

    900

    #5C2965

    oklch(37.7% 0.113 321.4)

  11. Step 950

    950 (this color)

    #280B2D

    oklch(21.6% 0.072 321.5)

Export this scale for Tailwind in the Tailwind colors tool

#280B2D 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)#05152E0.070
Deuteranopia (no green cones)#0F192C0.062
Tritanopia (no blue cones)#28101A0.043
Achromatopsia (no color)#1717170.073

Harmonies

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

Complementary

The opposite hue (180°).

  • #280B2D

    #280B2D

    oklch(21.6% 0.072 321.5)

  • #022100

    #022100

    oklch(21.6% 0.071 141.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #280B2D

    #280B2D

    oklch(21.6% 0.072 321.5)

  • #1B1137

    #1B1137

    oklch(21.6% 0.071 291.4)

  • #30071D

    #30071D

    oklch(21.5% 0.071 351.7)

Open the analogous palette in the generator

Split complementary

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

  • #280B2D

    #280B2D

    oklch(21.6% 0.072 321.5)

  • #1A1B00

    #1A1B00

    oklch(21.4% 0.047 111.7)

  • #002017

    #002017

    oklch(21.7% 0.043 170.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #280B2D

    #280B2D

    oklch(21.6% 0.072 321.5)

  • #241700

    #241700

    oklch(21.6% 0.045 81.1)

  • #001E21

    #001E21

    oklch(21.4% 0.037 204.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #280B2D

    #280B2D

    oklch(21.6% 0.072 321.5)

  • #2D1000

    #2D1000

    oklch(21.5% 0.056 50.9)

  • #022100

    #022100

    oklch(21.6% 0.071 141.3)

  • #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 #280B2D, closest first.

Similar named colors

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

Use #280B2D 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.