#150D2A

Closest named color: Rich Black (#0D1B2A). oklch(18.9% 0.057 292.9), rgb(21, 13, 42).

Aa

White text reads best on this color (18.70:1).

About this color

#150D2A is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.057 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.048 away. White text reads best on it, at 18.70:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamuted (0.057)
Temperaturein between
Nearest nameRich Black (#0D1B2A)
Black text1.12:1
White text18.70:1

Values

HEX#150D2A
RGBrgb(21, 13, 42)
HSLhsl(257, 53%, 11%)
OKLCHoklch(18.9% 0.057 292.9)

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 #150D2A 18.70:1 AAA Lc -107.2 Preferred for body text
Black text on #150D2A 1.12:1 Fails Lc 0.0 Not readable
#150D2A text on white 18.70:1 AAA Lc 105.1 Preferred for body text
#150D2A text on black 1.12:1 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

    #F5F4FB

    oklch(97% 0.009 292.8)

  2. Step 100

    100

    #EAE8F6

    oklch(93.7% 0.019 292.6)

  3. Step 200

    200

    #D9D5F0

    oklch(88.4% 0.037 292.4)

  4. Step 300

    300

    #C2B9E9

    oklch(80.9% 0.068 293.4)

  5. Step 400

    400

    #A394DE

    oklch(70.8% 0.107 292.7)

  6. Step 500

    500

    #8D77D4

    oklch(63% 0.137 292.9)

  7. Step 600

    600

    #785EC1

    oklch(55.5% 0.149 293)

  8. Step 700

    700

    #654DA7

    oklch(49% 0.139 292.8)

  9. Step 800

    800

    #524087

    oklch(42.7% 0.114 292.6)

  10. Step 900

    900

    #44376C

    oklch(37.7% 0.089 292.9)

  11. Step 950

    950 (this color)

    #150D2A

    oklch(18.9% 0.057 292.9)

Export this scale for Tailwind in the Tailwind colors tool

#150D2A 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)#02132B0.036
Deuteranopia (no green cones)#0312290.034
Tritanopia (no blue cones)#0F13190.046
Achromatopsia (no color)#1212120.057

Harmonies

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

Complementary

The opposite hue (180°).

  • #150D2A

    #150D2A

    oklch(18.9% 0.057 292.9)

  • #141500

    #141500

    oklch(18.8% 0.042 112)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #150D2A

    #150D2A

    oklch(18.9% 0.057 292.9)

  • #06122C

    #06122C

    oklch(18.9% 0.056 262.8)

  • #1F0922

    #1F0922

    oklch(18.9% 0.057 322.7)

Open the analogous palette in the generator

Split complementary

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

  • #150D2A

    #150D2A

    oklch(18.9% 0.057 292.9)

  • #1C1100

    #1C1100

    oklch(18.8% 0.039 80.8)

  • #021902

    #021902

    oklch(18.7% 0.057 142.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #150D2A

    #150D2A

    oklch(18.9% 0.057 292.9)

  • #230C00

    #230C00

    oklch(18.8% 0.047 53.3)

  • #001912

    #001912

    oklch(19% 0.037 172.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #150D2A

    #150D2A

    oklch(18.9% 0.057 292.9)

  • #280607

    #280607

    oklch(18.8% 0.058 22.6)

  • #141500

    #141500

    oklch(18.8% 0.042 112)

  • #00181A

    #00181A

    oklch(19% 0.032 202)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #150D2A, closest first.

Similar named colors

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

Use #150D2A 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.