#313368#313368

#313368 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.9% C 0.091 H 279.0°. Best body text is #FFFFFF at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#313368
RGB	rgb(49, 51, 104)
HSL	hsl(238, 36%, 30%)
HSV	hsv(238, 53%, 41%)
CMYK	cmyk(52.9%, 51%, 0%, 59.2%)
CIE-LAB	lab(23.74, 15.42, -31.49)
CIE-LCH	lch(23.74, 35.06, 296.10°)
OKLab	oklab(34.86% 0.0141 -0.0896)
OKLCH	oklch(34.86% 0.091 279)
XYZ	xyz(4.9484, 4.0198, 13.6092)
Luminance	0.0402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313368 #686631

analogous

#314F68 #313368 #4A3168

triadic

#313368 #683133 #336831

tetradic

#313368 #68314F #686631 #31684A

square

#313368 #68314F #686631 #31684A

split-complementary

#313368 #684A31 #4F6831

monochromatic

#0A0A15 #1D1F3E #313368 #454792 #6063B4

Accessibility & contrast

On white

11.64

#313368 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#313368 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313368

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313368	#FFFFFF	#000000	##FFFFFF
##313368	1.00	11.64	1.80	11.64
#FFFFFF	11.64	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3B6A

Deuteranopia (green-blind)

#163667

Tritanopia (blue-blind)

#1B3E48

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #313368;
/* rgb */ color: rgb(49, 51, 104);
/* oklch */ color: oklch(34.9% 0.091 279.0);

Tailwind

colors: {
  custom: {
    50: '#6d6a93',
    500: '#313368',
    950: '#000000',
  },
}

SCSS

$custom: #313368;
$custom-light: #6d6a93;
$custom-dark: #000000;

JSON

{
  "hex": "#313368",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 104
  },
  "hsl": {
    "h": 237.818,
    "s": 35.948,
    "l": 30
  },
  "oklch": {
    "l": 0.34856,
    "c": 0.09069,
    "h": 279
  },
  "luminance": 0.0402
}

Semantic roles & 50–950 ramp

primary

#313368

secondary

#99975C

accent

#C85CCC

background

#F6F6F9

surface

#ECEBF1

border

#C7C6CB

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #313368

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

Preview Lab → · Contrast checker → · Palette generator →