#313491#313491

#313491 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.4% C 0.150 H 275.3°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#313491
RGB	rgb(49, 52, 145)
HSL	hsl(238, 49%, 38%)
HSV	hsv(238, 66%, 57%)
CMYK	cmyk(66.2%, 64.1%, 0%, 43.1%)
CIE-LAB	lab(27.17, 29.39, -51.81)
CIE-LCH	lch(27.17, 59.56, 299.56°)
OKLab	oklab(38.41% 0.014 -0.1493)
OKLCH	oklch(38.41% 0.15 275.3)
XYZ	xyz(7.6038, 5.1526, 27.3764)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313491 #918E31

analogous

#316491 #313491 #5E3191

triadic

#313491 #913134 #349131

tetradic

#313491 #913164 #918E31 #31915E

square

#313491 #913164 #918E31 #31915E

split-complementary

#313491 #915E31 #649131

monochromatic

#121336 #222463 #313491 #4144BF #6E71CE

Accessibility & contrast

On white

10.34

#313491 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#313491 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313491

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313491	#FFFFFF	#000000	##FFFFFF
##313491	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004494

Deuteranopia (green-blind)

#003C8F

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #313491;
/* rgb */ color: rgb(49, 52, 145);
/* oklch */ color: oklch(38.4% 0.150 275.3);

Tailwind

colors: {
  custom: {
    50: '#756bb2',
    500: '#313491',
    950: '#000000',
  },
}

SCSS

$custom: #313491;
$custom-light: #756bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#313491",
  "rgb": {
    "r": 49,
    "g": 52,
    "b": 145
  },
  "hsl": {
    "h": 238.125,
    "s": 49.485,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38406,
    "c": 0.14997,
    "h": 275.3
  },
  "luminance": 0.05153
}

Semantic roles & 50–950 ramp

primary

#313491

secondary

#B6B368

accent

#D54FD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #313491

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

Preview Lab → · Contrast checker → · Palette generator →