#28124E

Closest named color: Dark Indigo (#1F0954). oklch(25.5% 0.104 294.7), rgb(40, 18, 78).

Aa

White text reads best on this color (16.32:1).

About this color

#28124E is a dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.104 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.029 away. White text reads best on it, at 16.32:1.

Hue familyPurples
Lightnessdark (25%)
Chromamoderately saturated (0.104)
Temperaturein between
Nearest nameDark Indigo (#1F0954)
Black text1.28:1
White text16.32:1

Values

HEX#28124E
RGBrgb(40, 18, 78)
HSLhsl(262, 63%, 19%)
OKLCHoklch(25.5% 0.104 294.7)

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 #28124E 16.32:1 AAA Lc -105.5 Preferred for body text
Black text on #28124E 1.28:1 Fails Lc 0.0 Not readable
#28124E text on white 16.32:1 AAA Lc 102.9 Preferred for body text
#28124E text on black 1.28:1 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

    #F6F4FF

    oklch(97.2% 0.015 294.5)

  2. Step 100

    100

    #EBE6FF

    oklch(93.6% 0.034 294.9)

  3. Step 200

    200

    #DBD2FF

    oklch(88.5% 0.062 294.3)

  4. Step 300

    300

    #C5B3FF

    oklch(80.9% 0.107 294.8)

  5. Step 400

    400

    #A987FF

    oklch(70.7% 0.172 294.7)

  6. Step 500

    500

    #9762FF

    oklch(63.2% 0.222 294.8)

  7. Step 600

    600

    #862FFD

    oklch(55.6% 0.272 294.6)

  8. Step 700

    700

    #721BDD

    oklch(49.1% 0.254 294.5)

  9. Step 800

    800

    #5D1DB2

    oklch(42.7% 0.21 295)

  10. Step 900

    900

    #4B228D

    oklch(37.7% 0.164 294.6)

  11. Step 950

    950 (this color)

    #28124E

    oklch(25.5% 0.104 294.7)

Export this scale for Tailwind in the Tailwind colors tool

#28124E 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)#0020500.063
Deuteranopia (no green cones)#001F4D0.063
Tritanopia (no blue cones)#1D212E0.081
Achromatopsia (no color)#2020200.104

Harmonies

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

Complementary

The opposite hue (180°).

  • #28124E

    #28124E

    oklch(25.5% 0.104 294.7)

  • #222600

    #222600

    oklch(25.6% 0.058 115.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28124E

    #28124E

    oklch(25.5% 0.104 294.7)

  • #091C53

    #091C53

    oklch(25.3% 0.103 265)

  • #39083D

    #39083D

    oklch(25.4% 0.103 324.7)

Open the analogous palette in the generator

Split complementary

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

  • #28124E

    #28124E

    oklch(25.5% 0.104 294.7)

  • #2E2000

    #2E2000

    oklch(25.4% 0.052 84.7)

  • #002C05

    #002C05

    oklch(25.5% 0.081 144.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28124E

    #28124E

    oklch(25.5% 0.104 294.7)

  • #391900

    #391900

    oklch(25.5% 0.063 55.5)

  • #002A21

    #002A21

    oklch(25.4% 0.048 174.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28124E

    #28124E

    oklch(25.5% 0.104 294.7)

  • #490006

    #490006

    oklch(25.5% 0.103 24.5)

  • #222600

    #222600

    oklch(25.6% 0.058 115.6)

  • #00292D

    #00292D

    oklch(25.6% 0.044 204.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28124E, closest first.

Similar named colors

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

Use #28124E 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.