#312287#312287

#312287 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.158 H 280.9°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#312287
RGB	rgb(49, 34, 135)
HSL	hsl(249, 60%, 33%)
HSV	hsv(249, 75%, 53%)
CMYK	cmyk(63.7%, 74.8%, 0%, 47.1%)
CIE-LAB	lab(22.11, 37.12, -53.88)
CIE-LCH	lch(22.11, 65.43, 304.57°)
OKLab	oklab(34.47% 0.0299 -0.1554)
OKLCH	oklch(34.47% 0.158 280.9)
XYZ	xyz(6.2104, 3.5458, 23.2741)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312287 #788722

analogous

#224587 #312287 #632287

triadic

#312287 #873122 #228731

tetradic

#312287 #872245 #788722 #228763

square

#312287 #872245 #788722 #228763

split-complementary

#312287 #876322 #458722

monochromatic

#0E0925 #1F1656 #312287 #432EB8 #6450D3

Accessibility & contrast

On white

12.29

#312287 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#312287 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312287

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312287	#FFFFFF	#000000	##FFFFFF
##312287	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)

#00388A

Deuteranopia (green-blind)

#003185

Tritanopia (blue-blind)

#003E52

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #312287;
/* rgb */ color: rgb(49, 34, 135);
/* oklch */ color: oklch(34.5% 0.158 280.9);

Tailwind

colors: {
  custom: {
    50: '#755fab',
    500: '#312287',
    950: '#000000',
  },
}

SCSS

$custom: #312287;
$custom-light: #755fab;
$custom-dark: #000000;

JSON

{
  "hex": "#312287",
  "rgb": {
    "r": 49,
    "g": 34,
    "b": 135
  },
  "hsl": {
    "h": 248.911,
    "s": 59.763,
    "l": 33.137
  },
  "oklch": {
    "l": 0.3447,
    "c": 0.15824,
    "h": 280.9
  },
  "luminance": 0.03546
}

Semantic roles & 50–950 ramp

primary

#312287

secondary

#A7B74E

accent

#E345CB

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #312287

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

Preview Lab → · Contrast checker → · Palette generator →