#312FB7#312FB7

#312FB7 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.3% C 0.205 H 273.4°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#312FB7
RGB	rgb(49, 47, 183)
HSL	hsl(241, 59%, 45%)
HSV	hsv(241, 74%, 72%)
CMYK	cmyk(73.2%, 74.3%, 0%, 28.2%)
CIE-LAB	lab(29.67, 45.52, -70.67)
CIE-LCH	lch(29.67, 84.06, 302.79°)
OKLab	oklab(41.32% 0.0123 -0.2044)
OKLCH	oklch(41.32% 0.205 273.4)
XYZ	xyz(10.8275, 6.1038, 45.3981)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312FB7 #B5B72F

analogous

#2F71B7 #312FB7 #752FB7

triadic

#312FB7 #B7312F #2FB731

tetradic

#312FB7 #B72F71 #B5B72F #2FB775

square

#312FB7 #B72F71 #B5B72F #2FB775

split-complementary

#312FB7 #B7752F #71B72F

monochromatic

#171656 #242286 #312FB7 #5351D2 #8382DF

Accessibility & contrast

On white

9.46

#312FB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#312FB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312FB7

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312FB7	#FFFFFF	#000000	##FFFFFF
##312FB7	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBB

Deuteranopia (green-blind)

#003FB5

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #312fb7;
/* rgb */ color: rgb(49, 47, 183);
/* oklch */ color: oklch(41.3% 0.205 273.4);

Tailwind

colors: {
  custom: {
    50: '#7e69ce',
    500: '#312fb7',
    950: '#000000',
  },
}

SCSS

$custom: #312fb7;
$custom-light: #7e69ce;
$custom-dark: #000000;

JSON

{
  "hex": "#312fb7",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 183
  },
  "hsl": {
    "h": 240.882,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.41315,
    "c": 0.20482,
    "h": 273.4
  },
  "luminance": 0.06105
}

Semantic roles & 50–950 ramp

primary

#312FB7

secondary

#C7C87A

accent

#E245E0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #312FB7

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

Preview Lab → · Contrast checker → · Palette generator →