#313561#313561

#313561 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 34.8% C 0.076 H 277.7°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#313561
RGB	rgb(49, 53, 97)
HSL	hsl(235, 33%, 29%)
HSV	hsv(235, 49%, 38%)
CMYK	cmyk(49.5%, 45.4%, 0%, 62%)
CIE-LAB	lab(23.88, 11.60, -26.72)
CIE-LCH	lch(23.88, 29.13, 293.47°)
OKLab	oklab(34.82% 0.0103 -0.0756)
OKLCH	oklch(34.82% 0.076 277.7)
XYZ	xyz(4.6967, 4.0620, 11.8435)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313561 #615D31

analogous

#314D61 #313561 #453161

triadic

#313561 #613135 #356131

tetradic

#313561 #61314D #615D31 #316145

square

#313561 #61314D #615D31 #316145

split-complementary

#313561 #614531 #4D6131

monochromatic

#0A0B14 #1C1F38 #313561 #464B8A #5E65AE

Accessibility & contrast

On white

11.59

#313561 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#313561 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313561

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313561	#FFFFFF	#000000	##FFFFFF
##313561	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243B63

Deuteranopia (green-blind)

#203760

Tritanopia (blue-blind)

#203E46

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #313561;
/* rgb */ color: rgb(49, 53, 97);
/* oklch */ color: oklch(34.8% 0.076 277.7);

Tailwind

colors: {
  custom: {
    50: '#6c6c8e',
    500: '#313561',
    950: '#000000',
  },
}

SCSS

$custom: #313561;
$custom-light: #6c6c8e;
$custom-dark: #000000;

JSON

{
  "hex": "#313561",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 97
  },
  "hsl": {
    "h": 235,
    "s": 32.877,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34816,
    "c": 0.07629,
    "h": 277.7
  },
  "luminance": 0.04062
}

Semantic roles & 50–950 ramp

primary

#313561

secondary

#928E5C

accent

#C05FC9

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#07060C

muted

#7A7A7D

Preview Lab

Preview with #313561

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

Preview Lab → · Contrast checker → · Palette generator →