#280B22

Closest named color: Very Dark Purple (#2A0134). oklch(20.8% 0.06 336.3), rgb(40, 11, 34).

Aa

White text reads best on this color (18.08:1).

About this color

#280B22 is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.060 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.045 away. White text reads best on it, at 18.08:1.

Hue familyPurples
Lightnessvery dark (21%)
Chromamuted (0.060)
Temperaturewarm
Nearest nameVery Dark Purple (#2A0134)
Black text1.16:1
White text18.08:1

Values

HEX#280B22
RGBrgb(40, 11, 34)
HSLhsl(312, 57%, 10%)
OKLCHoklch(20.8% 0.06 336.3)

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 #280B22 18.08:1 AAA Lc -106.8 Preferred for body text
Black text on #280B22 1.16:1 Fails Lc 0.0 Not readable
#280B22 text on white 18.08:1 AAA Lc 104.6 Preferred for body text
#280B22 text on black 1.16:1 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

    #FAF3F8

    oklch(97.1% 0.01 335.5)

  2. Step 100

    100

    #F3E5EF

    oklch(93.6% 0.02 335.7)

  3. Step 200

    200

    #EBD0E3

    oklch(88.6% 0.039 336.5)

  4. Step 300

    300

    #DFB0D2

    oklch(81% 0.07 336.4)

  5. Step 400

    400

    #CD84BB

    oklch(70.6% 0.114 336.3)

  6. Step 500

    500

    #BF64AA

    oklch(63.2% 0.145 336.5)

  7. Step 600

    600

    #AA4895

    oklch(55.6% 0.158 336.6)

  8. Step 700

    700

    #91397F

    oklch(49% 0.146 336.3)

  9. Step 800

    800

    #763068

    oklch(42.7% 0.122 335.9)

  10. Step 900

    900

    #602B54

    oklch(37.7% 0.095 336.7)

  11. Step 950

    950 (this color)

    #280B22

    oklch(20.8% 0.06 336.3)

Export this scale for Tailwind in the Tailwind colors tool

#280B22 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)#0B13230.063
Deuteranopia (no green cones)#1418210.056
Tritanopia (no blue cones)#2A0C150.028
Achromatopsia (no color)#1616160.060

Harmonies

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

Complementary

The opposite hue (180°).

  • #280B22

    #280B22

    oklch(20.8% 0.06 336.3)

  • #001E0E

    #001E0E

    oklch(20.7% 0.049 156.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #280B22

    #280B22

    oklch(20.8% 0.06 336.3)

  • #1F0F2D

    #1F0F2D

    oklch(20.8% 0.06 306.6)

  • #2D0913

    #2D0913

    oklch(20.8% 0.06 7)

Open the analogous palette in the generator

Split complementary

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

  • #280B22

    #280B22

    oklch(20.8% 0.06 336.3)

  • #121C00

    #121C00

    oklch(20.9% 0.053 125.9)

  • #001D1A

    #001D1A

    oklch(20.8% 0.037 185.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #280B22

    #280B22

    oklch(20.8% 0.06 336.3)

  • #1E1800

    #1E1800

    oklch(21% 0.043 96.8)

  • #001C23

    #001C23

    oklch(20.9% 0.037 216.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #280B22

    #280B22

    oklch(20.8% 0.06 336.3)

  • #261300

    #261300

    oklch(20.9% 0.046 66.4)

  • #001E0E

    #001E0E

    oklch(20.7% 0.049 156.9)

  • #00192F

    #00192F

    oklch(20.8% 0.055 247)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #280B22, closest first.

Similar named colors

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

Use #280B22 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.