#312E90#312E90

#312E90 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.3% C 0.156 H 277.0°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#312E90
RGB	rgb(49, 46, 144)
HSL	hsl(242, 52%, 37%)
HSV	hsv(242, 68%, 56%)
CMYK	cmyk(66%, 68.1%, 0%, 43.5%)
CIE-LAB	lab(25.62, 32.89, -53.71)
CIE-LCH	lch(25.62, 62.98, 301.48°)
OKLab	oklab(37.26% 0.0191 -0.1549)
OKLCH	oklch(37.26% 0.156 277)
XYZ	xyz(7.2760, 4.6200, 26.8885)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312E90 #8D902E

analogous

#2E5C90 #312E90 #622E90

triadic

#312E90 #90312E #2E9031

tetradic

#312E90 #902E5C #8D902E #2E9062

square

#312E90 #902E5C #8D902E #2E9062

split-complementary

#312E90 #90622E #5C902E

monochromatic

#111033 #211F62 #312E90 #413DBE #6C69CF

Accessibility & contrast

On white

10.91

#312E90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#312E90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312E90

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312E90	#FFFFFF	#000000	##FFFFFF
##312E90	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004193

Deuteranopia (green-blind)

#00388E

Tritanopia (blue-blind)

#00485B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #312e90;
/* rgb */ color: rgb(49, 46, 144);
/* oklch */ color: oklch(37.3% 0.156 277.0);

Tailwind

colors: {
  custom: {
    50: '#7567b1',
    500: '#312e90',
    950: '#000000',
  },
}

SCSS

$custom: #312e90;
$custom-light: #7567b1;
$custom-dark: #000000;

JSON

{
  "hex": "#312e90",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 144
  },
  "hsl": {
    "h": 241.837,
    "s": 51.579,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37255,
    "c": 0.1561,
    "h": 277
  },
  "luminance": 0.04621
}

Semantic roles & 50–950 ramp

primary

#312E90

secondary

#B4B664

accent

#DB4DD7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #312E90

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

Preview Lab → · Contrast checker → · Palette generator →