#311C4E

Closest named color: Dark Purple (#35063E). oklch(28.3% 0.089 300.1), rgb(49, 28, 78).

Aa

White text reads best on this color (14.92:1).

About this color

#311C4E is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.089 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.053 away. White text reads best on it, at 14.92:1.

Hue familyPurples
Lightnessdark (28%)
Chromamoderately saturated (0.089)
Temperaturein between
Nearest nameDark Purple (#35063E)
Black text1.40:1
White text14.92:1

Values

HEX#311C4E
RGBrgb(49, 28, 78)
HSLhsl(265, 47%, 21%)
OKLCHoklch(28.3% 0.089 300.1)

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 #311C4E 14.92:1 AAA Lc -104.4 Preferred for body text
Black text on #311C4E 1.40:1 Fails Lc 0.0 Not readable
#311C4E text on white 14.92:1 AAA Lc 101.6 Preferred for body text
#311C4E text on black 1.40:1 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

    #F7F3FE

    oklch(97% 0.015 302.6)

  2. Step 100

    100

    #EDE6FC

    oklch(93.7% 0.03 300.3)

  3. Step 200

    200

    #DFD1FB

    oklch(88.5% 0.059 300.4)

  4. Step 300

    300

    #CBB1FB

    oklch(80.9% 0.106 300.2)

  5. Step 400

    400

    #B285F9

    oklch(70.8% 0.168 300)

  6. Step 500

    500

    #A060F5

    oklch(63.1% 0.215 300.1)

  7. Step 600

    600

    #8C3FE4

    oklch(55.6% 0.234 300)

  8. Step 700

    700

    #772EC6

    oklch(49% 0.218 300)

  9. Step 800

    800

    #6129A0

    oklch(42.7% 0.18 300.2)

  10. Step 900

    900

    #4F287F

    oklch(37.7% 0.14 300.3)

  11. Step 950

    950 (this color)

    #311C4E

    oklch(28.3% 0.089 300.1)

Export this scale for Tailwind in the Tailwind colors tool

#311C4E 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)#0427500.067
Deuteranopia (no green cones)#0D274D0.061
Tritanopia (no blue cones)#2B26320.066
Achromatopsia (no color)#2727270.090

Harmonies

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

Complementary

The opposite hue (180°).

  • #311C4E

    #311C4E

    oklch(28.3% 0.089 300.1)

  • #252E00

    #252E00

    oklch(28.2% 0.067 120.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #311C4E

    #311C4E

    oklch(28.3% 0.089 300.1)

  • #192455

    #192455

    oklch(28.2% 0.09 270.2)

  • #41153E

    #41153E

    oklch(28.3% 0.09 330.4)

Open the analogous palette in the generator

Split complementary

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

  • #311C4E

    #311C4E

    oklch(28.3% 0.089 300.1)

  • #342800

    #342800

    oklch(28.3% 0.058 91.4)

  • #003413

    #003413

    oklch(28.4% 0.078 150)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #311C4E

    #311C4E

    oklch(28.3% 0.089 300.1)

  • #402000

    #402000

    oklch(28.2% 0.066 60.5)

  • #00322A

    #00322A

    oklch(28.4% 0.052 178.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #311C4E

    #311C4E

    oklch(28.3% 0.089 300.1)

  • #4C120B

    #4C120B

    oklch(28.1% 0.089 30.3)

  • #252E00

    #252E00

    oklch(28.2% 0.067 120.6)

  • #003037

    #003037

    oklch(28.3% 0.049 210)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #311C4E, closest first.

Similar named colors

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

Use #311C4E 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.