#313589#313589

#313589 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.137 H 275.6°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#313589
RGB	rgb(49, 53, 137)
HSL	hsl(237, 47%, 36%)
HSV	hsv(237, 64%, 54%)
CMYK	cmyk(64.2%, 61.3%, 0%, 46.3%)
CIE-LAB	lab(26.75, 25.86, -47.54)
CIE-LCH	lch(26.75, 54.12, 298.54°)
OKLab	oklab(37.89% 0.0134 -0.1368)
OKLCH	oklch(37.89% 0.137 275.6)
XYZ	xyz(7.0536, 5.0047, 24.2564)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313589 #898531

analogous

#316189 #313589 #593189

triadic

#313589 #893135 #358931

tetradic

#313589 #893161 #898531 #318959

square

#313589 #893161 #898531 #318959

split-complementary

#313589 #895931 #618931

monochromatic

#11122F #21245C #313589 #4146B6 #6B6FCA

Accessibility & contrast

On white

10.49

#313589 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#313589 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313589

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313589	#FFFFFF	#000000	##FFFFFF
##313589	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438C

Deuteranopia (green-blind)

#003B87

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313589;
/* rgb */ color: rgb(49, 53, 137);
/* oklch */ color: oklch(37.9% 0.137 275.6);

Tailwind

colors: {
  custom: {
    50: '#736cac',
    500: '#313589',
    950: '#000000',
  },
}

SCSS

$custom: #313589;
$custom-light: #736cac;
$custom-dark: #000000;

JSON

{
  "hex": "#313589",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 137
  },
  "hsl": {
    "h": 237.273,
    "s": 47.312,
    "l": 36.471
  },
  "oklch": {
    "l": 0.3789,
    "c": 0.13743,
    "h": 275.6
  },
  "luminance": 0.05005
}

Semantic roles & 50–950 ramp

primary

#313589

secondary

#B1AE64

accent

#D151D7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #313589

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

Preview Lab → · Contrast checker → · Palette generator →