#312E9D#312E9D

#312E9D is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.5% C 0.173 H 275.7°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#312E9D
RGB	rgb(49, 46, 157)
HSL	hsl(242, 55%, 40%)
HSV	hsv(242, 71%, 62%)
CMYK	cmyk(68.8%, 70.7%, 0%, 38.4%)
CIE-LAB	lab(26.85, 37.37, -59.68)
CIE-LCH	lch(26.85, 70.42, 302.06°)
OKLab	oklab(38.51% 0.0173 -0.1724)
OKLCH	oklch(38.51% 0.173 275.7)
XYZ	xyz(8.3274, 5.0405, 32.4258)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312E9D #9A9D2E

analogous

#2E629D #312E9D #692E9D

triadic

#312E9D #9D312E #2E9D31

tetradic

#312E9D #9D2E62 #9A9D2E #2E9D69

square

#312E9D #9D2E62 #9A9D2E #2E9D69

split-complementary

#312E9D #9D692E #629D2E

monochromatic

#13123E #22206E #312E9D #4541C7 #7370D5

Accessibility & contrast

On white

10.46

#312E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#312E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312E9D

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312E9D	#FFFFFF	#000000	##FFFFFF
##312E9D	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A0

Deuteranopia (green-blind)

#003A9B

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #312e9d;
/* rgb */ color: rgb(49, 46, 157);
/* oklch */ color: oklch(38.5% 0.173 275.7);

Tailwind

colors: {
  custom: {
    50: '#7868bb',
    500: '#312e9d',
    950: '#000000',
  },
}

SCSS

$custom: #312e9d;
$custom-light: #7868bb;
$custom-dark: #000000;

JSON

{
  "hex": "#312e9d",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 157
  },
  "hsl": {
    "h": 241.622,
    "s": 54.68,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38514,
    "c": 0.17326,
    "h": 275.7
  },
  "luminance": 0.05041
}

Semantic roles & 50–950 ramp

primary

#312E9D

secondary

#BABD6A

accent

#DE4ADA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #312E9D

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

Preview Lab → · Contrast checker → · Palette generator →