#240421

Closest named color: Very Dark Purple (#2A0134). oklch(18.8% 0.071 331.9), rgb(36, 4, 33).

Aa

White text reads best on this color (18.84:1).

About this color

#240421 is a very dark, moderately saturated purple. In OKLCH its lightness is 19%, its chroma 0.071 and its hue 332°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.040 away. White text reads best on it, at 18.84:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamoderately saturated (0.071)
Temperaturein between
Nearest nameVery Dark Purple (#2A0134)
Black text1.11:1
White text18.84:1

Values

HEX#240421
RGBrgb(36, 4, 33)
HSLhsl(306, 80%, 8%)
OKLCHoklch(18.8% 0.071 331.9)

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 #240421 18.84:1 AAA Lc -107.1 Preferred for body text
Black text on #240421 1.11:1 Fails Lc 0.0 Not readable
#240421 text on white 18.84:1 AAA Lc 104.9 Preferred for body text
#240421 text on black 1.11:1 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

    #FAF3F9

    oklch(97.1% 0.011 330.1)

  2. Step 100

    100

    #F4E4F1

    oklch(93.5% 0.024 331.9)

  3. Step 200

    200

    #ECCEE7

    oklch(88.4% 0.047 331.5)

  4. Step 300

    300

    #E1ADD9

    oklch(80.9% 0.084 331.7)

  5. Step 400

    400

    #D180C6

    oklch(70.8% 0.134 331.9)

  6. Step 500

    500

    #C35CB7

    oklch(63.2% 0.172 332)

  7. Step 600

    600

    #AE3EA3

    oklch(55.7% 0.187 331.9)

  8. Step 700

    700

    #952F8B

    oklch(49.1% 0.173 332)

  9. Step 800

    800

    #792871

    oklch(42.6% 0.144 331.9)

  10. Step 900

    900

    #62265B

    oklch(37.6% 0.112 332.3)

  11. Step 950

    950 (this color)

    #240421

    oklch(18.8% 0.071 331.9)

Export this scale for Tailwind in the Tailwind colors tool

#240421 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)#030E220.076
Deuteranopia (no green cones)#0D13200.065
Tritanopia (no blue cones)#2607110.038
Achromatopsia (no color)#1111110.072

Harmonies

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

Complementary

The opposite hue (180°).

  • #240421

    #240421

    oklch(18.8% 0.071 331.9)

  • #001908

    #001908

    oklch(18.7% 0.048 152.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #240421

    #240421

    oklch(18.8% 0.071 331.9)

  • #1A082D

    #1A082D

    oklch(18.8% 0.071 302.4)

  • #2A0211

    #2A0211

    oklch(18.8% 0.07 2)

Open the analogous palette in the generator

Split complementary

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

  • #240421

    #240421

    oklch(18.8% 0.071 331.9)

  • #101600

    #101600

    oklch(18.7% 0.045 121.7)

  • #001814

    #001814

    oklch(18.7% 0.034 180.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #240421

    #240421

    oklch(18.8% 0.071 331.9)

  • #1A1300

    #1A1300

    oklch(19% 0.039 92.2)

  • #00171C

    #00171C

    oklch(18.8% 0.033 212.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #240421

    #240421

    oklch(18.8% 0.071 331.9)

  • #210E00

    #210E00

    oklch(18.8% 0.044 61.3)

  • #001908

    #001908

    oklch(18.7% 0.048 152.7)

  • #001525

    #001525

    oklch(18.7% 0.044 241.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #240421, closest first.

Similar named colors

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

Use #240421 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.