#313779#313779

#313779 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 37.0% C 0.111 H 275.6°. Best body text is #FFFFFF at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#313779
RGB	rgb(49, 55, 121)
HSL	hsl(235, 42%, 33%)
HSV	hsv(235, 60%, 47%)
CMYK	cmyk(59.5%, 54.5%, 0%, 52.5%)
CIE-LAB	lab(26.06, 18.72, -38.63)
CIE-LCH	lch(26.06, 42.93, 295.86°)
OKLab	oklab(36.98% 0.0109 -0.1105)
OKLCH	oklch(36.98% 0.111 275.6)
XYZ	xyz(6.0829, 4.7654, 18.6847)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313779 #797331

analogous

#315B79 #313779 #4F3179

triadic

#313779 #793137 #377931

tetradic

#313779 #79315B #797331 #31794F

square

#313779 #79315B #797331 #31794F

split-complementary

#313779 #794F31 #5B7931

monochromatic

#0E0F22 #1F234D #313779 #434BA5 #646CC0

Accessibility & contrast

On white

10.75

#313779 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#313779 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313779

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313779	#FFFFFF	#000000	##FFFFFF
##313779	1.00	10.75	1.95	10.75
#FFFFFF	10.75	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11417B

Deuteranopia (green-blind)

#023B78

Tritanopia (blue-blind)

#054652

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #313779;
/* rgb */ color: rgb(49, 55, 121);
/* oklch */ color: oklch(37.0% 0.111 275.6);

Tailwind

colors: {
  custom: {
    50: '#706da0',
    500: '#313779',
    950: '#000000',
  },
}

SCSS

$custom: #313779;
$custom-light: #706da0;
$custom-dark: #000000;

JSON

{
  "hex": "#313779",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 121
  },
  "hsl": {
    "h": 235,
    "s": 42.353,
    "l": 33.333
  },
  "oklch": {
    "l": 0.36984,
    "c": 0.11109,
    "h": 275.6
  },
  "luminance": 0.04766
}

Semantic roles & 50–950 ramp

primary

#313779

secondary

#A8A25E

accent

#C856D2

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08070F

muted

#7B7A7E

Preview Lab

Preview with #313779

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

Preview Lab → · Contrast checker → · Palette generator →