#331E3A

Closest named color: Space Cadet (#2B2D42). oklch(27.5% 0.057 317.3), rgb(51, 30, 58).

Aa

White text reads best on this color (15.13:1).

About this color

#331E3A is a dark, muted purple. In OKLCH its lightness is 28%, its chroma 0.057 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.046 away. White text reads best on it, at 15.13:1.

Hue familyPurples
Lightnessdark (28%)
Chromamuted (0.057)
Temperaturein between
Nearest nameSpace Cadet (#2B2D42)
Black text1.38:1
White text15.13:1

Values

HEX#331E3A
RGBrgb(51, 30, 58)
HSLhsl(285, 32%, 17%)
OKLCHoklch(27.5% 0.057 317.3)

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 #331E3A 15.13:1 AAA Lc -104.7 Preferred for body text
Black text on #331E3A 1.38:1 Fails Lc 0.0 Not readable
#331E3A text on white 15.13:1 AAA Lc 101.9 Preferred for body text
#331E3A text on black 1.38:1 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

    #F8F4FA

    oklch(97.2% 0.009 314.8)

  2. Step 100

    100

    #EFE6F3

    oklch(93.6% 0.02 315.7)

  3. Step 200

    200

    #E4D2EA

    oklch(88.6% 0.038 317.7)

  4. Step 300

    300

    #D3B3DE

    oklch(80.8% 0.069 317.4)

  5. Step 400

    400

    #BC8BCD

    oklch(70.7% 0.108 317.2)

  6. Step 500

    500

    #AB6CC0

    oklch(63% 0.139 317.3)

  7. Step 600

    600

    #9652AC

    oklch(55.5% 0.151 317.4)

  8. Step 700

    700

    #804294

    oklch(49.1% 0.141 317.3)

  9. Step 800

    800

    #683778

    oklch(42.7% 0.116 317.3)

  10. Step 900

    900

    #553061

    oklch(37.7% 0.092 317.4)

  11. Step 950

    950 (this color)

    #331E3A

    oklch(27.5% 0.057 317.3)

Export this scale for Tailwind in the Tailwind colors tool

#331E3A 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)#1A253B0.048
Deuteranopia (no green cones)#1F27390.045
Tritanopia (no blue cones)#3322290.038
Achromatopsia (no color)#2626260.058

Harmonies

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

Complementary

The opposite hue (180°).

  • #331E3A

    #331E3A

    oklch(27.5% 0.057 317.3)

  • #192E11

    #192E11

    oklch(27.5% 0.057 137.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #331E3A

    #331E3A

    oklch(27.5% 0.057 317.3)

  • #262342

    #262342

    oklch(27.6% 0.056 286.5)

  • #3C1B2D

    #3C1B2D

    oklch(27.6% 0.058 347.7)

Open the analogous palette in the generator

Split complementary

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

  • #331E3A

    #331E3A

    oklch(27.5% 0.057 317.3)

  • #2B2902

    #2B2902

    oklch(27.4% 0.056 106.6)

  • #003022

    #003022

    oklch(27.5% 0.056 167.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #331E3A

    #331E3A

    oklch(27.5% 0.057 317.3)

  • #372300

    #372300

    oklch(27.4% 0.057 76.9)

  • #002F30

    #002F30

    oklch(27.7% 0.047 197)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #331E3A

    #331E3A

    oklch(27.5% 0.057 317.3)

  • #3E1E0C

    #3E1E0C

    oklch(27.6% 0.057 48.1)

  • #192E11

    #192E11

    oklch(27.5% 0.057 137.8)

  • #002C3C

    #002C3C

    oklch(27.4% 0.054 228.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #331E3A, closest first.

Similar named colors

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

Use #331E3A 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.