#391F40

Closest named color: Space Cadet (#2B2D42). oklch(28.9% 0.067 318.9), rgb(57, 31, 64).

Aa

White text reads best on this color (14.54:1).

About this color

#391F40 is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.067 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.047 away. White text reads best on it, at 14.54:1.

Hue familyPurples
Lightnessdark (29%)
Chromamuted (0.067)
Temperaturein between
Nearest nameSpace Cadet (#2B2D42)
Black text1.44:1
White text14.54:1

Values

HEX#391F40
RGBrgb(57, 31, 64)
HSLhsl(287, 35%, 19%)
OKLCHoklch(28.9% 0.067 318.9)

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 #391F40 14.54:1 AAA Lc -104.1 Preferred for body text
Black text on #391F40 1.44:1 Fails Lc 0.0 Not readable
#391F40 text on white 14.54:1 AAA Lc 101.2 Preferred for body text
#391F40 text on black 1.44:1 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

    #F9F3FA

    oklch(97.1% 0.011 321.3)

  2. Step 100

    100

    #F1E5F4

    oklch(93.6% 0.024 319.5)

  3. Step 200

    200

    #E6D0EC

    oklch(88.4% 0.045 319)

  4. Step 300

    300

    #D7B1E2

    oklch(81% 0.079 318.6)

  5. Step 400

    400

    #C286D3

    oklch(70.7% 0.127 318.6)

  6. Step 500

    500

    #B265C7

    oklch(63.1% 0.162 318.7)

  7. Step 600

    600

    #9D49B3

    oklch(55.5% 0.176 318.8)

  8. Step 700

    700

    #86399A

    oklch(49% 0.164 318.8)

  9. Step 800

    800

    #6D307D

    oklch(42.6% 0.136 318.8)

  10. Step 900

    900

    #592C65

    oklch(37.8% 0.106 318.8)

  11. Step 950

    950 (this color)

    #391F40

    oklch(28.9% 0.067 318.9)

Export this scale for Tailwind in the Tailwind colors tool

#391F40 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)#1A27410.059
Deuteranopia (no green cones)#212A3F0.053
Tritanopia (no blue cones)#39232C0.042
Achromatopsia (no color)#2929290.067

Harmonies

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

Complementary

The opposite hue (180°).

  • #391F40

    #391F40

    oklch(28.9% 0.067 318.9)

  • #183310

    #183310

    oklch(29% 0.067 139.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #391F40

    #391F40

    oklch(28.9% 0.067 318.9)

  • #2A244A

    #2A244A

    oklch(28.8% 0.068 288.6)

  • #431B30

    #431B30

    oklch(28.9% 0.068 349.5)

Open the analogous palette in the generator

Split complementary

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

  • #391F40

    #391F40

    oklch(28.9% 0.067 318.9)

  • #2E2D00

    #2E2D00

    oklch(28.9% 0.062 108.4)

  • #003426

    #003426

    oklch(28.9% 0.058 169)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #391F40

    #391F40

    oklch(28.9% 0.067 318.9)

  • #3B2700

    #3B2700

    oklch(29% 0.06 79.1)

  • #003234

    #003234

    oklch(28.8% 0.049 199.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #391F40

    #391F40

    oklch(28.9% 0.067 318.9)

  • #451F08

    #451F08

    oklch(28.9% 0.067 48.5)

  • #183310

    #183310

    oklch(29% 0.067 139.1)

  • #003041

    #003041

    oklch(28.9% 0.056 228.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #391F40, closest first.

Similar named colors

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

Use #391F40 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.