#313558#313558

#313558 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.2% C 0.061 H 277.7°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#313558
RGB	rgb(49, 53, 88)
HSL	hsl(234, 28%, 27%)
HSV	hsv(234, 44%, 35%)
CMYK	cmyk(44.3%, 39.8%, 0%, 65.5%)
CIE-LAB	lab(23.35, 8.56, -21.65)
CIE-LCH	lch(23.35, 23.28, 291.56°)
OKLab	oklab(34.24% 0.0082 -0.0608)
OKLCH	oklch(34.24% 0.061 277.7)
XYZ	xyz(4.3007, 3.9036, 9.7575)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313558 #585431

analogous

#314958 #313558 #413158

triadic

#313558 #583135 #355831

tetradic

#313558 #583149 #585431 #315841

square

#313558 #583149 #585431 #315841

split-complementary

#313558 #584131 #495831

monochromatic

#0B0C14 #1B1D31 #313558 #474D7F #5E65A5

Accessibility & contrast

On white

11.79

#313558 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#313558 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313558

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313558	#FFFFFF	#000000	##FFFFFF
##313558	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293959

Deuteranopia (green-blind)

#263657

Tritanopia (blue-blind)

#253C42

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #313558;
/* rgb */ color: rgb(49, 53, 88);
/* oklch */ color: oklch(34.2% 0.061 277.7);

Tailwind

colors: {
  custom: {
    50: '#6b6c87',
    500: '#313558',
    950: '#000000',
  },
}

SCSS

$custom: #313558;
$custom-light: #6b6c87;
$custom-dark: #000000;

JSON

{
  "hex": "#313558",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 88
  },
  "hsl": {
    "h": 233.846,
    "s": 28.467,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34243,
    "c": 0.06138,
    "h": 277.7
  },
  "luminance": 0.03904
}

Semantic roles & 50–950 ramp

primary

#313558

secondary

#89855C

accent

#BB63C5

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#07060B

muted

#7A7A7C

Preview Lab

Preview with #313558

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

Preview Lab → · Contrast checker → · Palette generator →