#150B1C

Closest named color: Almost Black (#070D0D). oklch(17.3% 0.037 310.1), rgb(21, 11, 28).

Aa

White text reads best on this color (19.15:1).

About this color

#150B1C is a very dark, muted purple. In OKLCH its lightness is 17%, its chroma 0.037 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.047 away. White text reads best on it, at 19.15:1.

Hue familyPurples
Lightnessvery dark (17%)
Chromamuted (0.037)
Temperaturein between
Nearest nameAlmost Black (#070D0D)
Black text1.09:1
White text19.15:1

Values

HEX#150B1C
RGBrgb(21, 11, 28)
HSLhsl(275, 44%, 8%)
OKLCHoklch(17.3% 0.037 310.1)

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 #150B1C 19.15:1 AAA Lc -107.5 Preferred for body text
Black text on #150B1C 1.09:1 Fails Lc 0.0 Not readable
#150B1C text on white 19.15:1 AAA Lc 105.5 Preferred for body text
#150B1C text on black 1.09:1 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

    #F7F4F8

    oklch(97.1% 0.006 317.8)

  2. Step 100

    100

    #ECE8F0

    oklch(93.6% 0.011 308.3)

  3. Step 200

    200

    #DED5E5

    oklch(88.5% 0.024 310.7)

  4. Step 300

    300

    #C9B9D6

    oklch(80.8% 0.044 310)

  5. Step 400

    400

    #AE95C2

    oklch(70.7% 0.07 309.8)

  6. Step 500

    500

    #9A7AB2

    oklch(63.1% 0.089 310)

  7. Step 600

    600

    #85629E

    oklch(55.5% 0.098 310.2)

  8. Step 700

    700

    #715187

    oklch(49.1% 0.091 310.6)

  9. Step 800

    800

    #5C436E

    oklch(42.8% 0.075 310.2)

  10. Step 900

    900

    #4B3959

    oklch(37.8% 0.058 309.5)

  11. Step 950

    950 (this color)

    #150B1C

    oklch(17.3% 0.037 310.1)

Export this scale for Tailwind in the Tailwind colors tool

#150B1C 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)#080F1D0.028
Deuteranopia (no green cones)#0A0F1C0.025
Tritanopia (no blue cones)#140E120.026
Achromatopsia (no color)#0F0F0F0.037

Harmonies

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

Complementary

The opposite hue (180°).

  • #150B1C

    #150B1C

    oklch(17.3% 0.037 310.1)

  • #0A1303

    #0A1303

    oklch(17.2% 0.037 131.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #150B1C

    #150B1C

    oklch(17.3% 0.037 310.1)

  • #0D0E20

    #0D0E20

    oklch(17.4% 0.037 279.4)

  • #1A0915

    #1A0915

    oklch(17.2% 0.036 339.2)

Open the analogous palette in the generator

Split complementary

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

  • #150B1C

    #150B1C

    oklch(17.3% 0.037 310.1)

  • #141000

    #141000

    oklch(17.3% 0.036 98.8)

  • #01150A

    #01150A

    oklch(17.4% 0.037 159)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #150B1C

    #150B1C

    oklch(17.3% 0.037 310.1)

  • #1A0D00

    #1A0D00

    oklch(17.4% 0.037 72)

  • #001413

    #001413

    oklch(17.3% 0.03 190.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #150B1C

    #150B1C

    oklch(17.3% 0.037 310.1)

  • #1D0A04

    #1D0A04

    oklch(17.3% 0.036 41.9)

  • #0A1303

    #0A1303

    oklch(17.2% 0.037 131.2)

  • #00131A

    #00131A

    oklch(17.3% 0.032 221.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #150B1C, closest first.

Similar named colors

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

Use #150B1C 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.