#311A76#311A76

#311A76 is a dark, vivid violet. Relative luminance 0.027; OKLCH L 31.6% C 0.145 H 286.1°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#311A76
RGB	rgb(49, 26, 118)
HSL	hsl(255, 64%, 28%)
HSV	hsv(255, 78%, 46%)
CMYK	cmyk(58.5%, 78%, 0%, 53.7%)
CIE-LAB	lab(18.80, 36.16, -48.53)
CIE-LCH	lch(18.80, 60.52, 306.69°)
OKLab	oklab(31.61% 0.0403 -0.1397)
OKLCH	oklch(31.61% 0.145 286.1)
XYZ	xyz(4.9050, 2.6995, 17.3986)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311A76 #5F761A

analogous

#1A3176 #311A76 #5F1A76

triadic

#311A76 #76311A #1A7631

tetradic

#311A76 #761A31 #5F761A #1A765F

square

#311A76 #761A31 #5F761A #1A765F

split-complementary

#311A76 #765F1A #31761A

monochromatic

#0A0619 #1C0F44 #311A76 #4625A8 #5E37D3

Accessibility & contrast

On white

13.64

#311A76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#311A76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311A76

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311A76	#FFFFFF	#000000	##FFFFFF
##311A76	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003079

Deuteranopia (green-blind)

#002B74

Tritanopia (blue-blind)

#103447

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #311a76;
/* rgb */ color: rgb(49, 26, 118);
/* oklch */ color: oklch(31.6% 0.145 286.1);

Tailwind

colors: {
  custom: {
    50: '#72599e',
    500: '#311a76',
    950: '#000000',
  },
}

SCSS

$custom: #311a76;
$custom-light: #72599e;
$custom-dark: #000000;

JSON

{
  "hex": "#311a76",
  "rgb": {
    "r": 49,
    "g": 26,
    "b": 118
  },
  "hsl": {
    "h": 255,
    "s": 63.889,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31608,
    "c": 0.14542,
    "h": 286.1
  },
  "luminance": 0.027
}

Semantic roles & 50–950 ramp

primary

#311A76

secondary

#90AB41

accent

#E741BD

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #311A76

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

Preview Lab → · Contrast checker → · Palette generator →