#313D94#313D94

#313D94 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.142 H 272.4°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#313D94
RGB	rgb(49, 61, 148)
HSL	hsl(233, 50%, 39%)
HSV	hsv(233, 67%, 58%)
CMYK	cmyk(66.9%, 58.8%, 0%, 42%)
CIE-LAB	lab(29.73, 24.52, -49.47)
CIE-LCH	lch(29.73, 55.21, 296.36°)
OKLab	oklab(40.38% 0.0059 -0.1424)
OKLCH	oklch(40.38% 0.142 272.4)
XYZ	xyz(8.2789, 6.1278, 28.7577)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313D94 #948831

analogous

#316E94 #313D94 #563194

triadic

#313D94 #94313D #3D9431

tetradic

#313D94 #94316E #948831 #319456

square

#313D94 #94316E #948831 #319456

split-complementary

#313D94 #945631 #6E9431

monochromatic

#131738 #222A66 #313D94 #4251C0 #707BD0

Accessibility & contrast

On white

9.43

#313D94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#313D94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313D94

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313D94	#FFFFFF	#000000	##FFFFFF
##313D94	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B97

Deuteranopia (green-blind)

#004292

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #313d94;
/* rgb */ color: rgb(49, 61, 148);
/* oklch */ color: oklch(40.4% 0.142 272.4);

Tailwind

colors: {
  custom: {
    50: '#7572b4',
    500: '#313d94',
    950: '#000000',
  },
}

SCSS

$custom: #313d94;
$custom-light: #7572b4;
$custom-dark: #000000;

JSON

{
  "hex": "#313d94",
  "rgb": {
    "r": 49,
    "g": 61,
    "b": 148
  },
  "hsl": {
    "h": 232.727,
    "s": 50.254,
    "l": 38.627
  },
  "oklch": {
    "l": 0.40382,
    "c": 0.14249,
    "h": 272.4
  },
  "luminance": 0.06129
}

Semantic roles & 50–950 ramp

primary

#313D94

secondary

#B7AE69

accent

#C94EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #313D94

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

Preview Lab → · Contrast checker → · Palette generator →