#311E8F#311E8F

#311E8F is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.172 H 280.2°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#311E8F
RGB	rgb(49, 30, 143)
HSL	hsl(250, 65%, 34%)
HSV	hsv(250, 79%, 56%)
CMYK	cmyk(65.7%, 79%, 0%, 43.9%)
CIE-LAB	lab(22.18, 41.87, -58.76)
CIE-LCH	lch(22.18, 72.15, 305.47°)
OKLab	oklab(34.77% 0.0306 -0.1696)
OKLCH	oklch(34.77% 0.172 280.2)
XYZ	xyz(6.6872, 3.5642, 26.3168)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311E8F #7C8F1E

analogous

#1E448F #311E8F #6A1E8F

triadic

#311E8F #8F311E #1E8F31

tetradic

#311E8F #8F1E44 #7C8F1E #1E8F6A

square

#311E8F #8F1E44 #7C8F1E #1E8F6A

split-complementary

#311E8F #8F6A1E #448F1E

monochromatic

#0E092A #20135C #311E8F #4229C2 #654EDA

Accessibility & contrast

On white

12.26

#311E8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#311E8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311E8F

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311E8F	#FFFFFF	#000000	##FFFFFF
##311E8F	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#00318D

Tritanopia (blue-blind)

#003F56

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #311e8f;
/* rgb */ color: rgb(49, 30, 143);
/* oklch */ color: oklch(34.8% 0.172 280.2);

Tailwind

colors: {
  custom: {
    50: '#775db1',
    500: '#311e8f',
    950: '#000000',
  },
}

SCSS

$custom: #311e8f;
$custom-light: #775db1;
$custom-dark: #000000;

JSON

{
  "hex": "#311e8f",
  "rgb": {
    "r": 49,
    "g": 30,
    "b": 143
  },
  "hsl": {
    "h": 250.088,
    "s": 65.318,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34768,
    "c": 0.17235,
    "h": 280.2
  },
  "luminance": 0.03565
}

Semantic roles & 50–950 ramp

primary

#311E8F

secondary

#AABC4C

accent

#E840CC

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #311E8F

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

Preview Lab → · Contrast checker → · Palette generator →