#313790#313790

#313790 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.9% C 0.145 H 274.5°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#313790
RGB	rgb(49, 55, 144)
HSL	hsl(236, 49%, 38%)
HSV	hsv(236, 66%, 56%)
CMYK	cmyk(66%, 61.8%, 0%, 43.5%)
CIE-LAB	lab(27.84, 27.05, -50.09)
CIE-LCH	lch(27.84, 56.93, 298.37°)
OKLab	oklab(38.88% 0.0114 -0.1442)
OKLCH	oklch(38.88% 0.145 274.5)
XYZ	xyz(7.6652, 5.3983, 27.0182)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313790 #908A31

analogous

#316690 #313790 #5B3190

triadic

#313790 #903137 #379031

tetradic

#313790 #903166 #908A31 #31905B

square

#313790 #903166 #908A31 #31905B

split-complementary

#313790 #905B31 #669031

monochromatic

#121435 #212662 #313790 #4148BE #6E74CE

Accessibility & contrast

On white

10.10

#313790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#313790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313790

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313790	#FFFFFF	#000000	##FFFFFF
##313790	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004693

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #313790;
/* rgb */ color: rgb(49, 55, 144);
/* oklch */ color: oklch(38.9% 0.145 274.5);

Tailwind

colors: {
  custom: {
    50: '#756eb1',
    500: '#313790',
    950: '#000000',
  },
}

SCSS

$custom: #313790;
$custom-light: #756eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#313790",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 144
  },
  "hsl": {
    "h": 236.211,
    "s": 49.223,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38877,
    "c": 0.1447,
    "h": 274.5
  },
  "luminance": 0.05399
}

Semantic roles & 50–950 ramp

primary

#313790

secondary

#B5B068

accent

#D04FD9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #313790

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

Preview Lab → · Contrast checker → · Palette generator →