#313683#313683

#313683 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.6% C 0.127 H 275.6°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#313683
RGB	rgb(49, 54, 131)
HSL	hsl(236, 46%, 35%)
HSV	hsv(236, 63%, 51%)
CMYK	cmyk(62.6%, 58.8%, 0%, 48.6%)
CIE-LAB	lab(26.53, 23.02, -44.15)
CIE-LCH	lch(26.53, 49.79, 297.54°)
OKLab	oklab(37.58% 0.0124 -0.1268)
OKLCH	oklch(37.58% 0.127 275.6)
XYZ	xyz(6.6812, 4.9295, 22.0677)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313683 #837E31

analogous

#315F83 #313683 #553183

triadic

#313683 #833136 #368331

tetradic

#313683 #83315F #837E31 #318355

square

#313683 #83315F #837E31 #318355

split-complementary

#313683 #835531 #5F8331

monochromatic

#10112A #202456 #313683 #4248B0 #686EC6

Accessibility & contrast

On white

10.57

#313683 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#313683 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313683

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313683	#FFFFFF	#000000	##FFFFFF
##313683	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004286

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313683;
/* rgb */ color: rgb(49, 54, 131);
/* oklch */ color: oklch(37.6% 0.127 275.6);

Tailwind

colors: {
  custom: {
    50: '#726da8',
    500: '#313683',
    950: '#000000',
  },
}

SCSS

$custom: #313683;
$custom-light: #726da8;
$custom-dark: #000000;

JSON

{
  "hex": "#313683",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 131
  },
  "hsl": {
    "h": 236.341,
    "s": 45.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37579,
    "c": 0.1274,
    "h": 275.6
  },
  "luminance": 0.0493
}

Semantic roles & 50–950 ramp

primary

#313683

secondary

#AEA962

accent

#CD53D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #313683

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

Preview Lab → · Contrast checker → · Palette generator →