#313A94#313A94

#313A94 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.146 H 273.4°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#313A94
RGB	rgb(49, 58, 148)
HSL	hsl(235, 50%, 39%)
HSV	hsv(235, 67%, 58%)
CMYK	cmyk(66.9%, 60.8%, 0%, 42%)
CIE-LAB	lab(28.94, 26.51, -50.75)
CIE-LCH	lch(28.94, 57.26, 297.58°)
OKLab	oklab(39.8% 0.0086 -0.1462)
OKLCH	oklch(39.8% 0.146 273.4)
XYZ	xyz(8.1232, 5.8165, 28.7058)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313A94 #948B31

analogous

#316B94 #313A94 #593194

triadic

#313A94 #94313A #3A9431

tetradic

#313A94 #94316B #948B31 #319459

square

#313A94 #94316B #948B31 #319459

split-complementary

#313A94 #945931 #6B9431

monochromatic

#131638 #222866 #313A94 #424DC0 #7079D0

Accessibility & contrast

On white

9.71

#313A94 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#313A94 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313A94

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313A94	#FFFFFF	#000000	##FFFFFF
##313A94	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004997

Deuteranopia (green-blind)

#004092

Tritanopia (blue-blind)

#005061

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #313a94;
/* rgb */ color: rgb(49, 58, 148);
/* oklch */ color: oklch(39.8% 0.146 273.4);

Tailwind

colors: {
  custom: {
    50: '#7570b4',
    500: '#313a94',
    950: '#000000',
  },
}

SCSS

$custom: #313a94;
$custom-light: #7570b4;
$custom-dark: #000000;

JSON

{
  "hex": "#313a94",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 148
  },
  "hsl": {
    "h": 234.545,
    "s": 50.254,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39796,
    "c": 0.14643,
    "h": 273.4
  },
  "luminance": 0.05817
}

Semantic roles & 50–950 ramp

primary

#313A94

secondary

#B7B069

accent

#CD4EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #313A94

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

Preview Lab → · Contrast checker → · Palette generator →