#150D1B

Closest named color: Rich Navy (#001219). oklch(17.7% 0.03 309.8), rgb(21, 13, 27).

Aa

White text reads best on this color (18.99:1).

About this color

#150D1B is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.030 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.043 away. White text reads best on it, at 18.99:1.

Hue familyPurples
Lightnessvery dark (18%)
Chromamuted (0.030)
Temperaturein between
Nearest nameRich Navy (#001219)
Black text1.10:1
White text18.99:1

Values

HEX#150D1B
RGBrgb(21, 13, 27)
HSLhsl(274, 35%, 8%)
OKLCHoklch(17.7% 0.03 309.8)

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 #150D1B 18.99:1 AAA Lc -107.4 Preferred for body text
Black text on #150D1B 1.10:1 Fails Lc 0.0 Not readable
#150D1B text on white 18.99:1 AAA Lc 105.4 Preferred for body text
#150D1B 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

    #F6F5F8

    oklch(97.2% 0.004 301.4)

  2. Step 100

    100

    #ECE8EF

    oklch(93.6% 0.01 311.2)

  3. Step 200

    200

    #DDD6E3

    oklch(88.5% 0.019 309.8)

  4. Step 300

    300

    #C8BBD3

    oklch(81% 0.036 309.7)

  5. Step 400

    400

    #AC97BC

    oklch(70.7% 0.058 310.4)

  6. Step 500

    500

    #977DAB

    oklch(63% 0.074 310)

  7. Step 600

    600

    #826697

    oklch(55.7% 0.081 310)

  8. Step 700

    700

    #6E5581

    oklch(49.2% 0.075 309.8)

  9. Step 800

    800

    #594569

    oklch(42.6% 0.063 309.3)

  10. Step 900

    900

    #493A55

    oklch(37.6% 0.049 309.5)

  11. Step 950

    950 (this color)

    #150D1B

    oklch(17.7% 0.03 309.8)

Export this scale for Tailwind in the Tailwind colors tool

#150D1B 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)#0A101C0.023
Deuteranopia (no green cones)#0C101B0.020
Tritanopia (no blue cones)#140F120.022
Achromatopsia (no color)#1010100.031

Harmonies

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

Complementary

The opposite hue (180°).

  • #150D1B

    #150D1B

    oklch(17.7% 0.03 309.8)

  • #0C1405

    #0C1405

    oklch(17.8% 0.033 130.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #150D1B

    #150D1B

    oklch(17.7% 0.03 309.8)

  • #0E0F1E

    #0E0F1E

    oklch(17.6% 0.031 279.8)

  • #1A0B15

    #1A0B15

    oklch(17.7% 0.032 340.6)

Open the analogous palette in the generator

Split complementary

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

  • #150D1B

    #150D1B

    oklch(17.7% 0.03 309.8)

  • #141102

    #141102

    oklch(17.6% 0.031 100.1)

  • #04150C

    #04150C

    oklch(17.7% 0.031 159.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #150D1B

    #150D1B

    oklch(17.7% 0.03 309.8)

  • #190E03

    #190E03

    oklch(17.6% 0.03 69.1)

  • #001514

    #001514

    oklch(17.7% 0.03 190.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #150D1B

    #150D1B

    oklch(17.7% 0.03 309.8)

  • #1C0C07

    #1C0C07

    oklch(17.7% 0.03 39.1)

  • #0C1405

    #0C1405

    oklch(17.8% 0.033 130.9)

  • #01141A

    #01141A

    oklch(17.7% 0.03 219.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #150D1B, closest first.

Similar named colors

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

Use #150D1B 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.