#280D43

Closest named color: Dark Purple (#35063E). oklch(23.7% 0.096 302.3), rgb(40, 13, 67).

Aa

White text reads best on this color (17.08:1).

About this color

#280D43 is a very dark, moderately saturated purple. In OKLCH its lightness is 24%, its chroma 0.096 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.034 away. White text reads best on it, at 17.08:1.

Hue familyPurples
Lightnessvery dark (24%)
Chromamoderately saturated (0.096)
Temperaturein between
Nearest nameDark Purple (#35063E)
Black text1.22:1
White text17.08:1

Values

HEX#280D43
RGBrgb(40, 13, 67)
HSLhsl(270, 68%, 16%)
OKLCHoklch(23.7% 0.096 302.3)

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 #280D43 17.08:1 AAA Lc -106.0 Preferred for body text
Black text on #280D43 1.22:1 Fails Lc 0.0 Not readable
#280D43 text on white 17.08:1 AAA Lc 103.6 Preferred for body text
#280D43 text on black 1.22:1 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

    #F7F3FE

    oklch(97% 0.015 302.6)

  2. Step 100

    100

    #EEE5FD

    oklch(93.6% 0.033 302.7)

  3. Step 200

    200

    #E1D0FD

    oklch(88.6% 0.064 302.3)

  4. Step 300

    300

    #CFAFFE

    oklch(81% 0.114 302.5)

  5. Step 400

    400

    #B780FD

    oklch(70.7% 0.182 302.3)

  6. Step 500

    500

    #A658FB

    oklch(63.1% 0.233 302.1)

  7. Step 600

    600

    #9332EA

    oklch(55.7% 0.253 302.4)

  8. Step 700

    700

    #7D20CB

    oklch(49% 0.235 302.4)

  9. Step 800

    800

    #6620A4

    oklch(42.8% 0.194 302.6)

  10. Step 900

    900

    #522382

    oklch(37.7% 0.151 302.2)

  11. Step 950

    950 (this color)

    #280D43

    oklch(23.7% 0.096 302.3)

Export this scale for Tailwind in the Tailwind colors tool

#280D43 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)#001B450.070
Deuteranopia (no green cones)#001C420.071
Tritanopia (no blue cones)#221A270.070
Achromatopsia (no color)#1C1C1C0.097

Harmonies

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

Complementary

The opposite hue (180°).

  • #280D43

    #280D43

    oklch(23.7% 0.096 302.3)

  • #1A2200

    #1A2200

    oklch(23.6% 0.057 121.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #280D43

    #280D43

    oklch(23.7% 0.096 302.3)

  • #11164B

    #11164B

    oklch(23.6% 0.097 272.3)

  • #360532

    #360532

    oklch(23.7% 0.096 331.8)

Open the analogous palette in the generator

Split complementary

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

  • #280D43

    #280D43

    oklch(23.7% 0.096 302.3)

  • #271D00

    #271D00

    oklch(23.6% 0.048 90.5)

  • #00260F

    #00260F

    oklch(23.5% 0.061 152.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #280D43

    #280D43

    oklch(23.7% 0.096 302.3)

  • #301800

    #301800

    oklch(23.8% 0.054 63.5)

  • #002520

    #002520

    oklch(23.7% 0.043 181.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #280D43

    #280D43

    oklch(23.7% 0.096 302.3)

  • #3F0500

    #3F0500

    oklch(23.7% 0.089 32.3)

  • #1A2200

    #1A2200

    oklch(23.6% 0.057 121.7)

  • #00232A

    #00232A

    oklch(23.5% 0.041 213.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #280D43, closest first.

Similar named colors

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

Use #280D43 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.