#313183#313183

#313183 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.134 H 277.5°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#313183
RGB	rgb(49, 49, 131)
HSL	hsl(240, 46%, 35%)
HSV	hsv(240, 63%, 51%)
CMYK	cmyk(62.6%, 62.6%, 0%, 48.6%)
CIE-LAB	lab(25.22, 26.37, -46.28)
CIE-LCH	lch(25.22, 53.26, 299.68°)
OKLab	oklab(36.61% 0.0175 -0.1331)
OKLCH	oklch(36.61% 0.134 277.5)
XYZ	xyz(6.4604, 4.4878, 21.9941)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313183 #838331

analogous

#315A83 #313183 #5A3183

triadic

#313183 #833131 #318331

tetradic

#313183 #83315A #838331 #31835A

square

#313183 #83315A #838331 #31835A

split-complementary

#313183 #835A31 #5A8331

monochromatic

#10102A #202056 #313183 #4242B0 #6868C6

Accessibility & contrast

On white

11.07

#313183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#313183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313183

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313183	#FFFFFF	#000000	##FFFFFF
##313183	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F86

Deuteranopia (green-blind)

#003881

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #313183;
/* rgb */ color: rgb(49, 49, 131);
/* oklch */ color: oklch(36.6% 0.134 277.5);

Tailwind

colors: {
  custom: {
    50: '#7369a8',
    500: '#313183',
    950: '#000000',
  },
}

SCSS

$custom: #313183;
$custom-light: #7369a8;
$custom-dark: #000000;

JSON

{
  "hex": "#313183",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 131
  },
  "hsl": {
    "h": 240,
    "s": 45.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36609,
    "c": 0.13423,
    "h": 277.5
  },
  "luminance": 0.04488
}

Semantic roles & 50–950 ramp

primary

#313183

secondary

#AEAE62

accent

#D553D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313183

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

Preview Lab → · Contrast checker → · Palette generator →