#312189#312189

#312189 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.162 H 280.7°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#312189
RGB	rgb(49, 33, 137)
HSL	hsl(249, 61%, 33%)
HSV	hsv(249, 76%, 54%)
CMYK	cmyk(64.2%, 75.9%, 0%, 46.3%)
CIE-LAB	lab(22.11, 38.34, -55.13)
CIE-LCH	lch(22.11, 67.15, 304.82°)
OKLab	oklab(34.53% 0.0302 -0.159)
OKLCH	oklch(34.53% 0.162 280.7)
XYZ	xyz(6.3244, 3.5463, 24.0133)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312189 #798921

analogous

#214589 #312189 #652189

triadic

#312189 #893121 #218931

tetradic

#312189 #892145 #798921 #218965

square

#312189 #892145 #798921 #218965

split-complementary

#312189 #896521 #458921

monochromatic

#0E0926 #1F1558 #312189 #432DBA #6450D5

Accessibility & contrast

On white

12.29

#312189 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#312189 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312189

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312189	#FFFFFF	#000000	##FFFFFF
##312189	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398C

Deuteranopia (green-blind)

#003187

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #312189;
/* rgb */ color: rgb(49, 33, 137);
/* oklch */ color: oklch(34.5% 0.162 280.7);

Tailwind

colors: {
  custom: {
    50: '#755fac',
    500: '#312189',
    950: '#000000',
  },
}

SCSS

$custom: #312189;
$custom-light: #755fac;
$custom-dark: #000000;

JSON

{
  "hex": "#312189",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 137
  },
  "hsl": {
    "h": 249.231,
    "s": 61.176,
    "l": 33.333
  },
  "oklch": {
    "l": 0.34533,
    "c": 0.16187,
    "h": 280.7
  },
  "luminance": 0.03547
}

Semantic roles & 50–950 ramp

primary

#312189

secondary

#A8B84E

accent

#E444CC

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #312189

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

Preview Lab → · Contrast checker → · Palette generator →