#150C24

Closest named color: Rich Black (#0D1B2A). oklch(18.1% 0.048 298.8), rgb(21, 12, 36).

Aa

White text reads best on this color (18.91:1).

About this color

#150C24 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.048 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.051 away. White text reads best on it, at 18.91:1.

Hue familyPurples
Lightnessvery dark (18%)
Chromamuted (0.048)
Temperaturein between
Nearest nameRich Black (#0D1B2A)
Black text1.10:1
White text18.91:1

Values

HEX#150C24
RGBrgb(21, 12, 36)
HSLhsl(263, 50%, 9%)
OKLCHoklch(18.1% 0.048 298.8)

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 #150C24 18.91:1 AAA Lc -107.3 Preferred for body text
Black text on #150C24 1.10:1 Fails Lc 0.0 Not readable
#150C24 text on white 18.91:1 AAA Lc 105.3 Preferred for body text
#150C24 text on black 1.10:1 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

    #F6F4FA

    oklch(97% 0.008 301.4)

  2. Step 100

    100

    #EBE8F4

    oklch(93.7% 0.016 297.5)

  3. Step 200

    200

    #DBD5EC

    oklch(88.5% 0.032 297.7)

  4. Step 300

    300

    #C5B9E1

    oklch(80.9% 0.057 298.8)

  5. Step 400

    400

    #A894D2

    oklch(70.7% 0.091 298.9)

  6. Step 500

    500

    #9379C6

    oklch(63.2% 0.116 298.6)

  7. Step 600

    600

    #7E60B3

    oklch(55.6% 0.128 298.9)

  8. Step 700

    700

    #6A4F9A

    oklch(49% 0.119 298.5)

  9. Step 800

    800

    #57417D

    oklch(42.7% 0.099 299.1)

  10. Step 900

    900

    #473864

    oklch(37.7% 0.075 298.5)

  11. Step 950

    950 (this color)

    #150C24

    oklch(18.1% 0.048 298.8)

Export this scale for Tailwind in the Tailwind colors tool

#150C24 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)#0511250.032
Deuteranopia (no green cones)#0611230.031
Tritanopia (no blue cones)#1211160.038
Achromatopsia (no color)#1111110.049

Harmonies

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

Complementary

The opposite hue (180°).

  • #150C24

    #150C24

    oklch(18.1% 0.048 298.8)

  • #101400

    #101400

    oklch(18.1% 0.042 118.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #150C24

    #150C24

    oklch(18.1% 0.048 298.8)

  • #091027

    #091027

    oklch(18.1% 0.048 268.5)

  • #1D091C

    #1D091C

    oklch(18.1% 0.048 329.2)

Open the analogous palette in the generator

Split complementary

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

  • #150C24

    #150C24

    oklch(18.1% 0.048 298.8)

  • #181100

    #181100

    oklch(18.1% 0.037 91.1)

  • #011705

    #011705

    oklch(18% 0.049 148.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #150C24

    #150C24

    oklch(18.1% 0.048 298.8)

  • #1F0C00

    #1F0C00

    oklch(18% 0.043 59)

  • #001712

    #001712

    oklch(18.3% 0.034 177.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #150C24

    #150C24

    oklch(18.1% 0.048 298.8)

  • #230805

    #230805

    oklch(18.1% 0.048 30.5)

  • #101400

    #101400

    oklch(18.1% 0.042 118.4)

  • #001619

    #001619

    oklch(18.3% 0.031 206.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #150C24, closest first.

Similar named colors

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

Use #150C24 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.