#150F28

Closest named color: Rich Black (#0D1B2A). oklch(19.1% 0.049 292.2), rgb(21, 15, 40).

Aa

White text reads best on this color (18.57:1).

About this color

#150F28 is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.049 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.042 away. White text reads best on it, at 18.57:1.

Hue familyPurples
Lightnessvery dark (19%)
Chromamuted (0.049)
Temperaturein between
Nearest nameRich Black (#0D1B2A)
Black text1.13:1
White text18.57:1

Values

HEX#150F28
RGBrgb(21, 15, 40)
HSLhsl(254, 45%, 11%)
OKLCHoklch(19.1% 0.049 292.2)

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 #150F28 18.57:1 AAA Lc -107.2 Preferred for body text
Black text on #150F28 1.13:1 Fails Lc 0.0 Not readable
#150F28 text on white 18.57:1 AAA Lc 105.1 Preferred for body text
#150F28 text on black 1.13:1 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

    #F5F5FA

    oklch(97.2% 0.007 286.3)

  2. Step 100

    100

    #EAE8F5

    oklch(93.6% 0.018 293.1)

  3. Step 200

    200

    #D9D6ED

    oklch(88.5% 0.031 291.7)

  4. Step 300

    300

    #C1BAE4

    oklch(80.8% 0.059 292.7)

  5. Step 400

    400

    #A296D6

    oklch(70.7% 0.093 292.5)

  6. Step 500

    500

    #8C7BCB

    oklch(63.2% 0.119 292.4)

  7. Step 600

    600

    #7663B8

    oklch(55.7% 0.129 292)

  8. Step 700

    700

    #63519E

    oklch(49% 0.12 292.1)

  9. Step 800

    800

    #514380

    oklch(42.7% 0.099 292.2)

  10. Step 900

    900

    #433967

    oklch(37.7% 0.077 292.3)

  11. Step 950

    950 (this color)

    #150F28

    oklch(19.1% 0.049 292.2)

Export this scale for Tailwind in the Tailwind colors tool

#150F28 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)#0613290.028
Deuteranopia (no green cones)#0713270.027
Tritanopia (no blue cones)#1014190.041
Achromatopsia (no color)#1313130.049

Harmonies

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

Complementary

The opposite hue (180°).

  • #150F28

    #150F28

    oklch(19.1% 0.049 292.2)

  • #151600

    #151600

    oklch(19.3% 0.043 111.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #150F28

    #150F28

    oklch(19.1% 0.049 292.2)

  • #08132A

    #08132A

    oklch(19.1% 0.049 263.1)

  • #1E0B21

    #1E0B21

    oklch(19% 0.05 322)

Open the analogous palette in the generator

Split complementary

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

  • #150F28

    #150F28

    oklch(19.1% 0.049 292.2)

  • #1D1200

    #1D1200

    oklch(19.2% 0.04 81.7)

  • #051904

    #051904

    oklch(19% 0.05 142.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #150F28

    #150F28

    oklch(19.1% 0.049 292.2)

  • #250C00

    #250C00

    oklch(19.2% 0.05 51)

  • #001912

    #001912

    oklch(19% 0.037 172.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #150F28

    #150F28

    oklch(19.1% 0.049 292.2)

  • #26090A

    #26090A

    oklch(19.1% 0.049 20.9)

  • #151600

    #151600

    oklch(19.3% 0.043 111.9)

  • #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 #150F28, closest first.

Similar named colors

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

Use #150F28 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.