#313458#313458

#313458 is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.063 H 278.9°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#313458
RGB	rgb(49, 52, 88)
HSL	hsl(235, 28%, 27%)
HSV	hsv(235, 44%, 35%)
CMYK	cmyk(44.3%, 40.9%, 0%, 65.5%)
CIE-LAB	lab(23.04, 9.25, -22.14)
CIE-LCH	lch(23.04, 23.99, 292.68°)
OKLab	oklab(34.01% 0.0097 -0.0622)
OKLCH	oklch(34.01% 0.063 278.9)
XYZ	xyz(4.2555, 3.8133, 9.7424)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313458 #585531

analogous

#314858 #313458 #423158

triadic

#313458 #583134 #345831

tetradic

#313458 #583148 #585531 #315842

square

#313458 #583148 #585531 #315842

split-complementary

#313458 #584231 #485831

monochromatic

#0B0C14 #1B1D31 #313458 #474B7F #5E64A5

Accessibility & contrast

On white

11.91

#313458 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#313458 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313458

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313458	#FFFFFF	#000000	##FFFFFF
##313458	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283859

Deuteranopia (green-blind)

#253657

Tritanopia (blue-blind)

#253B41

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #313458;
/* rgb */ color: rgb(49, 52, 88);
/* oklch */ color: oklch(34.0% 0.063 278.9);

Tailwind

colors: {
  custom: {
    50: '#6b6b87',
    500: '#313458',
    950: '#000000',
  },
}

SCSS

$custom: #313458;
$custom-light: #6b6b87;
$custom-dark: #000000;

JSON

{
  "hex": "#313458",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 88
  },
  "hsl": {
    "h": 235.385,
    "s": 28.467,
    "l": 26.863
  },
  "oklch": {
    "l": 0.34008,
    "c": 0.06298,
    "h": 278.9
  },
  "luminance": 0.03814
}

Semantic roles & 50–950 ramp

primary

#313458

secondary

#89865C

accent

#BD63C5

background

#F6F6F8

surface

#EBEBEF

border

#C6C6CA

text

#07060B

muted

#7A7A7C

Preview Lab

Preview with #313458

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

Preview Lab → · Contrast checker → · Palette generator →