#150D2E

Closest named color: Rich Black (#0D1B2A). oklch(19.2% 0.063 290.3), rgb(21, 13, 46).

Aa

White text reads best on this color (18.60:1).

About this color

#150D2E is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.063 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.049 away. White text reads best on it, at 18.60:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamuted (0.063)
Temperaturein between
Nearest nameRich Black (#0D1B2A)
Black text1.12:1
White text18.60:1

Values

HEX#150D2E
RGBrgb(21, 13, 46)
HSLhsl(255, 56%, 12%)
OKLCHoklch(19.2% 0.063 290.3)

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 #150D2E 18.60:1 AAA Lc -107.1 Preferred for body text
Black text on #150D2E 1.12:1 Fails Lc 0.0 Not readable
#150D2E text on white 18.60:1 AAA Lc 105.0 Preferred for body text
#150D2E 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

    #F5F4FC

    oklch(97% 0.011 292)

  2. Step 100

    100

    #E9E8F8

    oklch(93.6% 0.021 288.9)

  3. Step 200

    200

    #D8D5F3

    oklch(88.5% 0.041 290.1)

  4. Step 300

    300

    #C0B9EE

    oklch(81% 0.074 290.7)

  5. Step 400

    400

    #A093E6

    oklch(70.7% 0.12 290.2)

  6. Step 500

    500

    #8A76DE

    oklch(63.1% 0.152 290.2)

  7. Step 600

    600

    #755CCC

    oklch(55.6% 0.167 290.2)

  8. Step 700

    700

    #634BB0

    oklch(49.1% 0.154 290.5)

  9. Step 800

    800

    #503E8F

    oklch(42.7% 0.129 290.1)

  10. Step 900

    900

    #423672

    oklch(37.7% 0.099 290)

  11. Step 950

    950 (this color)

    #150D2E

    oklch(19.2% 0.063 290.3)

Export this scale for Tailwind in the Tailwind colors tool

#150D2E 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)#00132F0.038
Deuteranopia (no green cones)#00122D0.038
Tritanopia (no blue cones)#0E141B0.051
Achromatopsia (no color)#1313130.064

Harmonies

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

Complementary

The opposite hue (180°).

  • #150D2E

    #150D2E

    oklch(19.2% 0.063 290.3)

  • #151600

    #151600

    oklch(19.3% 0.043 111.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #150D2E

    #150D2E

    oklch(19.2% 0.063 290.3)

  • #031330

    #031330

    oklch(19.3% 0.063 259.5)

  • #200825

    #200825

    oklch(19.1% 0.063 320.4)

Open the analogous palette in the generator

Split complementary

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

  • #150D2E

    #150D2E

    oklch(19.2% 0.063 290.3)

  • #1D1200

    #1D1200

    oklch(19.2% 0.04 81.7)

  • #031A00

    #031A00

    oklch(19.1% 0.061 139.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #150D2E

    #150D2E

    oklch(19.2% 0.063 290.3)

  • #250C00

    #250C00

    oklch(19.2% 0.05 51)

  • #001A12

    #001A12

    oklch(19.4% 0.038 170.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #150D2E

    #150D2E

    oklch(19.2% 0.063 290.3)

  • #2B0508

    #2B0508

    oklch(19.3% 0.063 20.2)

  • #151600

    #151600

    oklch(19.3% 0.043 111.9)

  • #00191A

    #00191A

    oklch(19.4% 0.033 198.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #150D2E, closest first.

Similar named colors

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

Use #150D2E 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.