#313A95#313A95

#313A95 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.9% C 0.148 H 273.3°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#313A95
RGB	rgb(49, 58, 149)
HSL	hsl(235, 51%, 39%)
HSV	hsv(235, 67%, 58%)
CMYK	cmyk(67.1%, 61.1%, 0%, 41.6%)
CIE-LAB	lab(29.03, 26.88, -51.23)
CIE-LCH	lch(29.03, 57.85, 297.68°)
OKLab	oklab(39.88% 0.0086 -0.1476)
OKLCH	oklch(39.88% 0.148 273.3)
XYZ	xyz(8.2027, 5.8483, 29.1245)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313A95 #958C31

analogous

#316C95 #313A95 #5A3195

triadic

#313A95 #95313A #3A9531

tetradic

#313A95 #95316C #958C31 #31955A

square

#313A95 #95316C #958C31 #31955A

split-complementary

#313A95 #955A31 #6C9531

monochromatic

#131639 #222867 #313A95 #424EC1 #7079D0

Accessibility & contrast

On white

9.68

#313A95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#313A95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313A95

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313A95	#FFFFFF	#000000	##FFFFFF
##313A95	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004998

Deuteranopia (green-blind)

#004093

Tritanopia (blue-blind)

#005161

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #313a95;
/* rgb */ color: rgb(49, 58, 149);
/* oklch */ color: oklch(39.9% 0.148 273.3);

Tailwind

colors: {
  custom: {
    50: '#7670b5',
    500: '#313a95',
    950: '#000000',
  },
}

SCSS

$custom: #313a95;
$custom-light: #7670b5;
$custom-dark: #000000;

JSON

{
  "hex": "#313a95",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 149
  },
  "hsl": {
    "h": 234.6,
    "s": 50.505,
    "l": 38.824
  },
  "oklch": {
    "l": 0.39882,
    "c": 0.14783,
    "h": 273.3
  },
  "luminance": 0.05849
}

Semantic roles & 50–950 ramp

primary

#313A95

secondary

#B8B16A

accent

#CD4EDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #313A95

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

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