#240D21

Closest named color: Very Dark Purple (#2A0134). oklch(20.4% 0.051 332.4), rgb(36, 13, 33).

Aa

White text reads best on this color (18.18:1).

About this color

#240D21 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.051 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 0.051 away. White text reads best on it, at 18.18:1.

Hue familyPurples
Lightnessvery dark (20%)
Chromamuted (0.051)
Temperaturein between
Nearest nameVery Dark Purple (#2A0134)
Black text1.15:1
White text18.18:1

Values

HEX#240D21
RGBrgb(36, 13, 33)
HSLhsl(308, 47%, 10%)
OKLCHoklch(20.4% 0.051 332.4)

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 #240D21 18.18:1 AAA Lc -106.9 Preferred for body text
Black text on #240D21 1.15:1 Fails Lc 0.0 Not readable
#240D21 text on white 18.18:1 AAA Lc 104.7 Preferred for body text
#240D21 text on black 1.15:1 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

    #F9F3F8

    oklch(97% 0.009 330.9)

  2. Step 100

    100

    #F1E6EF

    oklch(93.6% 0.017 331.6)

  3. Step 200

    200

    #E7D1E3

    oklch(88.4% 0.034 331.9)

  4. Step 300

    300

    #D9B3D2

    oklch(81% 0.06 332.5)

  5. Step 400

    400

    #C58ABB

    oklch(70.7% 0.097 332.7)

  6. Step 500

    500

    #B56CAA

    oklch(63.2% 0.123 332.6)

  7. Step 600

    600

    #A05295

    oklch(55.6% 0.134 332.7)

  8. Step 700

    700

    #88427F

    oklch(49% 0.124 332.3)

  9. Step 800

    800

    #6F3767

    oklch(42.7% 0.103 332.8)

  10. Step 900

    900

    #5A3054

    oklch(37.7% 0.08 332.5)

  11. Step 950

    950 (this color)

    #240D21

    oklch(20.4% 0.051 332.4)

Export this scale for Tailwind in the Tailwind colors tool

#240D21 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)#0C13220.052
Deuteranopia (no green cones)#1317200.047
Tritanopia (no blue cones)#260F150.027
Achromatopsia (no color)#1515150.052

Harmonies

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

Complementary

The opposite hue (180°).

  • #240D21

    #240D21

    oklch(20.4% 0.051 332.4)

  • #011D0B

    #011D0B

    oklch(20.3% 0.05 153)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #240D21

    #240D21

    oklch(20.4% 0.051 332.4)

  • #1C102A

    #1C102A

    oklch(20.4% 0.052 303.4)

  • #290B15

    #290B15

    oklch(20.4% 0.052 2)

Open the analogous palette in the generator

Split complementary

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

  • #240D21

    #240D21

    oklch(20.4% 0.051 332.4)

  • #131A00

    #131A00

    oklch(20.3% 0.049 122.2)

  • #001C18

    #001C18

    oklch(20.3% 0.036 182.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #240D21

    #240D21

    oklch(20.4% 0.051 332.4)

  • #1E1600

    #1E1600

    oklch(20.4% 0.042 91.4)

  • #001B20

    #001B20

    oklch(20.4% 0.035 211.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #240D21

    #240D21

    oklch(20.4% 0.051 332.4)

  • #261100

    #261100

    oklch(20.4% 0.047 61.3)

  • #011D0B

    #011D0B

    oklch(20.3% 0.05 153)

  • #00192B

    #00192B

    oklch(20.4% 0.049 242)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #240D21, closest first.

Similar named colors

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

Use #240D21 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.