#312EB4#312EB4

#312EB4 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 40.9% C 0.202 H 273.8°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#312EB4
RGB	rgb(49, 46, 180)
HSL	hsl(241, 59%, 44%)
HSV	hsv(241, 74%, 71%)
CMYK	cmyk(72.8%, 74.4%, 0%, 29.4%)
CIE-LAB	lab(29.16, 45.09, -69.73)
CIE-LCH	lch(29.16, 83.04, 302.89°)
OKLab	oklab(40.86% 0.0133 -0.2017)
OKLCH	oklch(40.86% 0.202 273.8)
XYZ	xyz(10.4791, 5.9012, 43.7580)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312EB4 #B1B42E

analogous

#2E6EB4 #312EB4 #742EB4

triadic

#312EB4 #B4312E #2EB431

tetradic

#312EB4 #B42E6E #B1B42E #2EB474

square

#312EB4 #B42E6E #B1B42E #2EB474

split-complementary

#312EB4 #B4742E #6EB42E

monochromatic

#161553 #242283 #312EB4 #514ED2 #807EDE

Accessibility & contrast

On white

9.63

#312EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#312EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312EB4

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312EB4	#FFFFFF	#000000	##FFFFFF
##312EB4	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB8

Deuteranopia (green-blind)

#003EB2

Tritanopia (blue-blind)

#00556F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #312eb4;
/* rgb */ color: rgb(49, 46, 180);
/* oklch */ color: oklch(40.9% 0.202 273.8);

Tailwind

colors: {
  custom: {
    50: '#7e69cc',
    500: '#312eb4',
    950: '#000000',
  },
}

SCSS

$custom: #312eb4;
$custom-light: #7e69cc;
$custom-dark: #000000;

JSON

{
  "hex": "#312eb4",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 180
  },
  "hsl": {
    "h": 241.343,
    "s": 59.292,
    "l": 44.314
  },
  "oklch": {
    "l": 0.40859,
    "c": 0.20214,
    "h": 273.8
  },
  "luminance": 0.05902
}

Semantic roles & 50–950 ramp

primary

#312EB4

secondary

#C5C777

accent

#E245DF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #312EB4

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

Preview Lab → · Contrast checker → · Palette generator →