#313E52#313E52

#313E52 is a dark, muted blue. Relative luminance 0.047; OKLCH L 36.1% C 0.039 H 258.9°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#313E52
RGB	rgb(49, 62, 82)
HSL	hsl(216, 25%, 26%)
HSV	hsv(216, 40%, 32%)
CMYK	cmyk(40.2%, 24.4%, 0%, 67.8%)
CIE-LAB	lab(25.88, 0.51, -13.77)
CIE-LCH	lch(25.88, 13.78, 272.11°)
OKLab	oklab(36.11% -0.0075 -0.0381)
OKLCH	oklch(36.11% 0.039 258.9)
XYZ	xyz(4.5118, 4.7072, 8.6519)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313E52 #524531

analogous

#314E52 #313E52 #343152

triadic

#313E52 #52313E #3E5231

tetradic

#313E52 #52314E #524531 #315234

square

#313E52 #52314E #524531 #315234

split-complementary

#313E52 #523431 #4E5231

monochromatic

#0B0E13 #1A212C #313E52 #485B78 #5F789F

Accessibility & contrast

On white

10.82

#313E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#313E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313E52

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313E52	#FFFFFF	#000000	##FFFFFF
##313E52	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373F53

Deuteranopia (green-blind)

#333C52

Tritanopia (blue-blind)

#264245

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #313e52;
/* rgb */ color: rgb(49, 62, 82);
/* oklch */ color: oklch(36.1% 0.039 258.9);

Tailwind

colors: {
  custom: {
    50: '#6a7382',
    500: '#313e52',
    950: '#000000',
  },
}

SCSS

$custom: #313e52;
$custom-light: #6a7382;
$custom-dark: #000000;

JSON

{
  "hex": "#313e52",
  "rgb": {
    "r": 49,
    "g": 62,
    "b": 82
  },
  "hsl": {
    "h": 216.364,
    "s": 25.191,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3611,
    "c": 0.03886,
    "h": 258.9
  },
  "luminance": 0.04707
}

Semantic roles & 50–950 ramp

primary

#313E52

secondary

#83745C

accent

#9E66C2

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#06080A

muted

#7A7B7C

Preview Lab

Preview with #313E52

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

Preview Lab → · Contrast checker → · Palette generator →