#312E97#312E97

#312E97 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.9% C 0.165 H 276.3°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#312E97
RGB	rgb(49, 46, 151)
HSL	hsl(242, 53%, 39%)
HSV	hsv(242, 70%, 59%)
CMYK	cmyk(67.5%, 69.5%, 0%, 40.8%)
CIE-LAB	lab(26.28, 35.32, -56.95)
CIE-LCH	lch(26.28, 67.01, 301.80°)
OKLab	oklab(37.93% 0.0182 -0.1644)
OKLCH	oklch(37.93% 0.165 276.3)
XYZ	xyz(7.8277, 4.8406, 29.7940)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312E97 #94972E

analogous

#2E5F97 #312E97 #652E97

triadic

#312E97 #97312E #2E9731

tetradic

#312E97 #972E5F #94972E #2E9765

square

#312E97 #972E5F #94972E #2E9765

split-complementary

#312E97 #97652E #5F972E

monochromatic

#131139 #222068 #312E97 #423EC4 #706DD2

Accessibility & contrast

On white

10.67

#312E97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#312E97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312E97

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312E97	#FFFFFF	#000000	##FFFFFF
##312E97	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439A

Deuteranopia (green-blind)

#003A95

Tritanopia (blue-blind)

#004A5E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #312e97;
/* rgb */ color: rgb(49, 46, 151);
/* oklch */ color: oklch(37.9% 0.165 276.3);

Tailwind

colors: {
  custom: {
    50: '#7767b7',
    500: '#312e97',
    950: '#000000',
  },
}

SCSS

$custom: #312e97;
$custom-light: #7767b7;
$custom-dark: #000000;

JSON

{
  "hex": "#312e97",
  "rgb": {
    "r": 49,
    "g": 46,
    "b": 151
  },
  "hsl": {
    "h": 241.714,
    "s": 53.299,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37926,
    "c": 0.16542,
    "h": 276.3
  },
  "luminance": 0.04841
}

Semantic roles & 50–950 ramp

primary

#312E97

secondary

#B7BA67

accent

#DD4BD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #312E97

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

Preview Lab → · Contrast checker → · Palette generator →