#313379#313379

#313379 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.2% C 0.117 H 277.6°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#313379
RGB	rgb(49, 51, 121)
HSL	hsl(238, 42%, 33%)
HSV	hsv(238, 60%, 47%)
CMYK	cmyk(59.5%, 57.9%, 0%, 52.5%)
CIE-LAB	lab(24.95, 21.45, -40.41)
CIE-LCH	lch(24.95, 45.75, 297.96°)
OKLab	oklab(36.16% 0.0154 -0.1158)
OKLCH	oklch(36.16% 0.117 277.6)
XYZ	xyz(5.9005, 4.4007, 18.6239)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313379 #797731

analogous

#315779 #313379 #533179

triadic

#313379 #793133 #337931

tetradic

#313379 #793157 #797731 #317953

square

#313379 #793157 #797731 #317953

split-complementary

#313379 #795331 #577931

monochromatic

#0E0E22 #1F214D #313379 #4345A5 #6467C0

Accessibility & contrast

On white

11.17

#313379 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#313379 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313379

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313379	#FFFFFF	#000000	##FFFFFF
##313379	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#013E7B

Deuteranopia (green-blind)

#003878

Tritanopia (blue-blind)

#064350

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #313379;
/* rgb */ color: rgb(49, 51, 121);
/* oklch */ color: oklch(36.2% 0.117 277.6);

Tailwind

colors: {
  custom: {
    50: '#706aa0',
    500: '#313379',
    950: '#000000',
  },
}

SCSS

$custom: #313379;
$custom-light: #706aa0;
$custom-dark: #000000;

JSON

{
  "hex": "#313379",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 121
  },
  "hsl": {
    "h": 238.333,
    "s": 42.353,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36159,
    "c": 0.11684,
    "h": 277.6
  },
  "luminance": 0.04401
}

Semantic roles & 50–950 ramp

primary

#313379

secondary

#A8A65E

accent

#CF56D2

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08060F

muted

#7B7A7E

Preview Lab

Preview with #313379

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

Preview Lab → · Contrast checker → · Palette generator →