#313D76#313D76

#313D76 is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.1% C 0.098 H 272.1°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#313D76
RGB	rgb(49, 61, 118)
HSL	hsl(230, 41%, 33%)
HSV	hsv(230, 58%, 46%)
CMYK	cmyk(58.5%, 48.3%, 0%, 53.7%)
CIE-LAB	lab(27.57, 13.53, -34.31)
CIE-LCH	lch(27.57, 36.88, 291.52°)
OKLab	oklab(38.06% 0.0035 -0.0978)
OKLCH	oklch(38.06% 0.098 272.1)
XYZ	xyz(6.2043, 5.2980, 17.8317)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313D76 #766A31

analogous

#315F76 #313D76 #473176

triadic

#313D76 #76313D #3D7631

tetradic

#313D76 #76315F #766A31 #317647

square

#313D76 #76315F #766A31 #317647

split-complementary

#313D76 #764731 #5F7631

monochromatic

#0D1020 #1F274B #313D76 #4353A1 #6373BE

Accessibility & contrast

On white

10.20

#313D76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#313D76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313D76

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313D76	#FFFFFF	#000000	##FFFFFF
##313D76	1.00	10.20	2.06	10.20
#FFFFFF	10.20	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234478

Deuteranopia (green-blind)

#1A3E75

Tritanopia (blue-blind)

#094A53

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #313d76;
/* rgb */ color: rgb(49, 61, 118);
/* oklch */ color: oklch(38.1% 0.098 272.1);

Tailwind

colors: {
  custom: {
    50: '#6f729e',
    500: '#313d76',
    950: '#000000',
  },
}

SCSS

$custom: #313d76;
$custom-light: #6f729e;
$custom-dark: #000000;

JSON

{
  "hex": "#313d76",
  "rgb": {
    "r": 49,
    "g": 61,
    "b": 118
  },
  "hsl": {
    "h": 229.565,
    "s": 41.317,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38061,
    "c": 0.09783,
    "h": 272.1
  },
  "luminance": 0.05298
}

Semantic roles & 50–950 ramp

primary

#313D76

secondary

#A6995D

accent

#BC57D1

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #313D76

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

Preview Lab → · Contrast checker → · Palette generator →