#313791#313791

#313791 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.146 H 274.5°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#313791
RGB	rgb(49, 55, 145)
HSL	hsl(236, 49%, 38%)
HSV	hsv(236, 66%, 57%)
CMYK	cmyk(66.2%, 62.1%, 0%, 43.1%)
CIE-LAB	lab(27.92, 27.42, -50.57)
CIE-LCH	lch(27.92, 57.53, 298.46°)
OKLab	oklab(38.96% 0.0114 -0.1457)
OKLCH	oklch(38.96% 0.146 274.5)
XYZ	xyz(7.7420, 5.4290, 27.4225)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313791 #918B31

analogous

#316791 #313791 #5B3191

triadic

#313791 #913137 #379131

tetradic

#313791 #913167 #918B31 #31915B

square

#313791 #913167 #918B31 #31915B

split-complementary

#313791 #915B31 #679131

monochromatic

#121436 #222663 #313791 #4148BF #6E74CE

Accessibility & contrast

On white

10.07

#313791 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#313791 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313791

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313791	#FFFFFF	#000000	##FFFFFF
##313791	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004694

Deuteranopia (green-blind)

#003E8F

Tritanopia (blue-blind)

#004D5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #313791;
/* rgb */ color: rgb(49, 55, 145);
/* oklch */ color: oklch(39.0% 0.146 274.5);

Tailwind

colors: {
  custom: {
    50: '#756eb2',
    500: '#313791',
    950: '#000000',
  },
}

SCSS

$custom: #313791;
$custom-light: #756eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#313791",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 145
  },
  "hsl": {
    "h": 236.25,
    "s": 49.485,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38964,
    "c": 0.14611,
    "h": 274.5
  },
  "luminance": 0.0543
}

Semantic roles & 50–950 ramp

primary

#313791

secondary

#B6B168

accent

#D04FD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #313791

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

Preview Lab → · Contrast checker → · Palette generator →