#312E8D#312E8D

#312E8D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.0% C 0.152 H 277.3°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#312E8D
RGB	rgb(49, 46, 141)
HSL	hsl(242, 51%, 37%)
HSV	hsv(242, 67%, 55%)
CMYK	cmyk(65.2%, 67.4%, 0%, 44.7%)
CIE-LAB	lab(25.35, 31.85, -52.30)
CIE-LCH	lch(25.35, 61.24, 301.34°)
OKLab	oklab(36.97% 0.0194 -0.1508)
OKLCH	oklch(36.97% 0.152 277.3)
XYZ	xyz(7.0498, 4.5295, 25.6969)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312E8D #8A8D2E

analogous

#2E5B8D #312E8D #612E8D

triadic

#312E8D #8D312E #2E8D31

tetradic

#312E8D #8D2E5B #8A8D2E #2E8D61

square

#312E8D #8D2E5B #8A8D2E #2E8D61

split-complementary

#312E8D #8D612E #5B8D2E

monochromatic

#111031 #211F5F #312E8D #413DBB #6B68CE

Accessibility & contrast

On white

11.02

#312E8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#312E8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312E8D

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312E8D	#FFFFFF	#000000	##FFFFFF
##312E8D	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004090

Deuteranopia (green-blind)

#00388B

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #312e8d;
/* rgb */ color: rgb(49, 46, 141);
/* oklch */ color: oklch(37.0% 0.152 277.3);

Tailwind

colors: {
  custom: {
    50: '#7567af',
    500: '#312e8d',
    950: '#000000',
  },
}

SCSS

$custom: #312e8d;
$custom-light: #7567af;
$custom-dark: #000000;

JSON

{
  "hex": "#312e8d",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 141
  },
  "hsl": {
    "h": 241.895,
    "s": 50.802,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36972,
    "c": 0.15204,
    "h": 277.3
  },
  "luminance": 0.0453
}

Semantic roles & 50–950 ramp

primary

#312E8D

secondary

#B2B562

accent

#DA4ED6

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #312E8D

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

Preview Lab → · Contrast checker → · Palette generator →