#311E8D#311E8D

#311E8D is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.6% C 0.170 H 280.6°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#311E8D
RGB	rgb(49, 30, 141)
HSL	hsl(250, 65%, 34%)
HSV	hsv(250, 79%, 55%)
CMYK	cmyk(65.2%, 78.7%, 0%, 44.7%)
CIE-LAB	lab(21.96, 41.24, -57.87)
CIE-LCH	lch(21.96, 71.06, 305.47°)
OKLab	oklab(34.55% 0.0311 -0.167)
OKLCH	oklch(34.55% 0.17 280.6)
XYZ	xyz(6.5371, 3.5041, 25.5260)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E8D #7A8D1E

analogous

#1E428D #311E8D #681E8D

triadic

#311E8D #8D311E #1E8D31

tetradic

#311E8D #8D1E42 #7A8D1E #1E8D68

square

#311E8D #8D1E42 #7A8D1E #1E8D68

split-complementary

#311E8D #8D681E #428D1E

monochromatic

#0E0928 #1F135B #311E8D #4329BF #644CD9

Accessibility & contrast

On white

12.35

#311E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#311E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E8D

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E8D	#FFFFFF	#000000	##FFFFFF
##311E8D	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003890

Deuteranopia (green-blind)

#00308B

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #311e8d;
/* rgb */ color: rgb(49, 30, 141);
/* oklch */ color: oklch(34.6% 0.170 280.6);

Tailwind

colors: {
  custom: {
    50: '#765daf',
    500: '#311e8d',
    950: '#000000',
  },
}

SCSS

$custom: #311e8d;
$custom-light: #765daf;
$custom-dark: #000000;

JSON

{
  "hex": "#311e8d",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 141
  },
  "hsl": {
    "h": 250.27,
    "s": 64.912,
    "l": 33.529
  },
  "oklch": {
    "l": 0.34552,
    "c": 0.1699,
    "h": 280.6
  },
  "luminance": 0.03505
}

Semantic roles & 50–950 ramp

primary

#311E8D

secondary

#A8BC4B

accent

#E840CB

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311E8D

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

Preview Lab → · Contrast checker → · Palette generator →