#150C26

Closest named color: Rich Black (#0D1B2A). oklch(18.3% 0.052 297), rgb(21, 12, 38).

Aa

White text reads best on this color (18.87:1).

About this color

#150C26 is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.052 and its hue 297°. 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 18.87:1.

Hue familyPurples
Lightnessvery dark (18%)
Chromamuted (0.052)
Temperaturein between
Nearest nameRich Black (#0D1B2A)
Black text1.11:1
White text18.87:1

Values

HEX#150C26
RGBrgb(21, 12, 38)
HSLhsl(261, 52%, 10%)
OKLCHoklch(18.3% 0.052 297)

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 #150C26 18.87:1 AAA Lc -107.3 Preferred for body text
Black text on #150C26 1.11:1 Fails Lc 0.0 Not readable
#150C26 text on white 18.87:1 AAA Lc 105.3 Preferred for body text
#150C26 text on black 1.11:1 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

    #EBE8F5

    oklch(93.7% 0.018 296.6)

  3. Step 200

    200

    #DBD5EE

    oklch(88.5% 0.035 296.7)

  4. Step 300

    300

    #C4B9E4

    oklch(80.9% 0.061 296.7)

  5. Step 400

    400

    #A794D7

    oklch(70.8% 0.098 296.8)

  6. Step 500

    500

    #9278CC

    oklch(63.2% 0.125 296.9)

  7. Step 600

    600

    #7D5FB8

    oklch(55.6% 0.136 297.3)

  8. Step 700

    700

    #694E9F

    oklch(49.1% 0.127 296.8)

  9. Step 800

    800

    #564081

    oklch(42.7% 0.106 297.3)

  10. Step 900

    900

    #463767

    oklch(37.6% 0.081 296.7)

  11. Step 950

    950 (this color)

    #150C26

    oklch(18.3% 0.052 297)

Export this scale for Tailwind in the Tailwind colors tool

#150C26 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)#0311270.035
Deuteranopia (no green cones)#0511250.033
Tritanopia (no blue cones)#1111170.040
Achromatopsia (no color)#1111110.052

Harmonies

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

Complementary

The opposite hue (180°).

  • #150C26

    #150C26

    oklch(18.3% 0.052 297)

  • #111400

    #111400

    oklch(18.2% 0.042 116.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #150C26

    #150C26

    oklch(18.3% 0.052 297)

  • #081029

    #081029

    oklch(18.2% 0.052 267.5)

  • #1E081E

    #1E081E

    oklch(18.3% 0.053 327.5)

Open the analogous palette in the generator

Split complementary

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

  • #150C26

    #150C26

    oklch(18.3% 0.052 297)

  • #191100

    #191100

    oklch(18.3% 0.037 88.4)

  • #011804

    #011804

    oklch(18.3% 0.052 146.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #150C26

    #150C26

    oklch(18.3% 0.052 297)

  • #200C00

    #200C00

    oklch(18.2% 0.044 57.4)

  • #001712

    #001712

    oklch(18.3% 0.034 177.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #150C26

    #150C26

    oklch(18.3% 0.052 297)

  • #250706

    #250706

    oklch(18.4% 0.052 26)

  • #111400

    #111400

    oklch(18.2% 0.042 116.4)

  • #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 #150C26, closest first.

Similar named colors

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

Use #150C26 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.