#311D58#311D58

#311D58 is a dark, moderate violet. Relative luminance 0.022; OKLCH L 29.2% C 0.102 H 295.0°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#311D58
RGB	rgb(49, 29, 88)
HSL	hsl(260, 50%, 23%)
HSV	hsv(260, 67%, 35%)
CMYK	cmyk(44.3%, 67%, 0%, 65.5%)
CIE-LAB	lab(16.68, 24.96, -32.30)
CIE-LCH	lch(16.68, 40.81, 307.69°)
OKLab	oklab(29.24% 0.0429 -0.0921)
OKLCH	oklch(29.24% 0.102 295)
XYZ	xyz(3.4670, 2.2362, 9.4796)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311D58 #44581D

analogous

#1D2658 #311D58 #4E1D58

triadic

#311D58 #58311D #1D5831

tetradic

#311D58 #581D26 #44581D #1D584E

square

#311D58 #581D26 #44581D #1D584E

split-complementary

#311D58 #584E1D #26581D

monochromatic

#0D0817 #170E2A #311D58 #4B2C86 #643BB4

Accessibility & contrast

On white

14.51

#311D58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#311D58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311D58

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311D58	#FFFFFF	#000000	##FFFFFF
##311D58	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5A

Deuteranopia (green-blind)

#002857

Tritanopia (blue-blind)

#272A37

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #311d58;
/* rgb */ color: rgb(49, 29, 88);
/* oklch */ color: oklch(29.2% 0.102 295.0);

Tailwind

colors: {
  custom: {
    50: '#6d5a88',
    500: '#311d58',
    950: '#000000',
  },
}

SCSS

$custom: #311d58;
$custom-light: #6d5a88;
$custom-dark: #000000;

JSON

{
  "hex": "#311d58",
  "rgb": {
    "r": 49,
    "g": 29,
    "b": 88
  },
  "hsl": {
    "h": 260.339,
    "s": 50.427,
    "l": 22.941
  },
  "oklch": {
    "l": 0.29241,
    "c": 0.10153,
    "h": 295
  },
  "luminance": 0.02236
}

Semantic roles & 50–950 ramp

primary

#311D58

secondary

#748D44

accent

#DA4EAA

background

#F6F5F8

surface

#ECE9F0

border

#C7C5CB

text

#07040B

muted

#7A797C

Preview Lab

Preview with #311D58

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →