#312EB2#312EB2

#312EB2 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.6% C 0.200 H 273.9°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#312EB2
RGB	rgb(49, 46, 178)
HSL	hsl(241, 59%, 44%)
HSV	hsv(241, 74%, 70%)
CMYK	cmyk(72.5%, 74.2%, 0%, 30.2%)
CIE-LAB	lab(28.95, 44.43, -68.88)
CIE-LCH	lch(28.95, 81.96, 302.83°)
OKLab	oklab(40.65% 0.0137 -0.1992)
OKLCH	oklch(40.65% 0.2 273.9)
XYZ	xyz(10.2768, 5.8203, 42.6927)
Luminance	0.0582 (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

#312EB2 #AFB22E

analogous

#2E6DB2 #312EB2 #732EB2

triadic

#312EB2 #B2312E #2EB231

tetradic

#312EB2 #B22E6D #AFB22E #2EB273

square

#312EB2 #B22E6D #AFB22E #2EB273

split-complementary

#312EB2 #B2732E #6DB22E

monochromatic

#161551 #242181 #312EB2 #4F4CD1 #7F7DDD

Accessibility & contrast

On white

9.70

#312EB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#312EB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312EB2

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312EB2	#FFFFFF	#000000	##FFFFFF
##312EB2	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB6

Deuteranopia (green-blind)

#003EB0

Tritanopia (blue-blind)

#00546D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #312eb2;
/* rgb */ color: rgb(49, 46, 178);
/* oklch */ color: oklch(40.6% 0.200 273.9);

Tailwind

colors: {
  custom: {
    50: '#7d68ca',
    500: '#312eb2',
    950: '#000000',
  },
}

SCSS

$custom: #312eb2;
$custom-light: #7d68ca;
$custom-dark: #000000;

JSON

{
  "hex": "#312eb2",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 178
  },
  "hsl": {
    "h": 241.364,
    "s": 58.929,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4065,
    "c": 0.1997,
    "h": 273.9
  },
  "luminance": 0.05821
}

Semantic roles & 50–950 ramp

primary

#312EB2

secondary

#C4C676

accent

#E246DF

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #312EB2

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

Preview Lab → · Contrast checker → · Palette generator →