#312397#312397

#312397 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.3% C 0.177 H 278.3°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#312397
RGB	rgb(49, 35, 151)
HSL	hsl(247, 62%, 36%)
HSV	hsv(247, 77%, 59%)
CMYK	cmyk(67.5%, 76.8%, 0%, 40.8%)
CIE-LAB	lab(23.96, 41.74, -60.76)
CIE-LCH	lch(23.96, 73.72, 304.49°)
OKLab	oklab(36.28% 0.0255 -0.1755)
OKLCH	oklch(36.28% 0.177 278.3)
XYZ	xyz(7.4518, 4.0888, 29.6687)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312397 #899723

analogous

#234F97 #312397 #6B2397

triadic

#312397 #973123 #239731

tetradic

#312397 #97234F #899723 #23976B

square

#312397 #97234F #899723 #23976B

split-complementary

#312397 #976B23 #4F9723

monochromatic

#110C34 #211765 #312397 #412FC9 #6B5BD9

Accessibility & contrast

On white

11.55

#312397 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#312397 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312397

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312397	#FFFFFF	#000000	##FFFFFF
##312397	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9A

Deuteranopia (green-blind)

#003495

Tritanopia (blue-blind)

#00455B

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #312397;
/* rgb */ color: rgb(49, 35, 151);
/* oklch */ color: oklch(36.3% 0.177 278.3);

Tailwind

colors: {
  custom: {
    50: '#7860b7',
    500: '#312397',
    950: '#000000',
  },
}

SCSS

$custom: #312397;
$custom-light: #7860b7;
$custom-dark: #000000;

JSON

{
  "hex": "#312397",
  "rgb": {
    "r": 49,
    "g": 35,
    "b": 151
  },
  "hsl": {
    "h": 247.241,
    "s": 62.366,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36277,
    "c": 0.17733,
    "h": 278.3
  },
  "luminance": 0.04089
}

Semantic roles & 50–950 ramp

primary

#312397

secondary

#B1BE58

accent

#E542D2

background

#F7F5FB

surface

#EEEAF6

border

#C9C6D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #312397

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

Preview Lab → · Contrast checker → · Palette generator →