#312097#312097

#312097 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.9% C 0.180 H 278.7°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#312097
RGB	rgb(49, 32, 151)
HSL	hsl(249, 65%, 36%)
HSV	hsv(249, 79%, 59%)
CMYK	cmyk(67.5%, 78.8%, 0%, 40.8%)
CIE-LAB	lab(23.40, 43.34, -61.68)
CIE-LCH	lch(23.40, 75.39, 305.09°)
OKLab	oklab(35.89% 0.0272 -0.1781)
OKLCH	oklch(35.89% 0.18 278.7)
XYZ	xyz(7.3673, 3.9197, 29.6405)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312097 #869720

analogous

#204B97 #312097 #6C2097

triadic

#312097 #973120 #209731

tetradic

#312097 #97204B #869720 #20976C

square

#312097 #97204B #869720 #20976C

split-complementary

#312097 #976C20 #4B9720

monochromatic

#100B32 #211564 #312097 #412BC9 #6956DB

Accessibility & contrast

On white

11.77

#312097 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#312097 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312097

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312097	#FFFFFF	#000000	##FFFFFF
##312097	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9A

Deuteranopia (green-blind)

#003395

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #312097;
/* rgb */ color: rgb(49, 32, 151);
/* oklch */ color: oklch(35.9% 0.180 278.7);

Tailwind

colors: {
  custom: {
    50: '#785fb7',
    500: '#312097',
    950: '#000000',
  },
}

SCSS

$custom: #312097;
$custom-light: #785fb7;
$custom-dark: #000000;

JSON

{
  "hex": "#312097",
  "rgb": {
    "r": 49,
    "g": 32,
    "b": 151
  },
  "hsl": {
    "h": 248.571,
    "s": 65.027,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35886,
    "c": 0.18022,
    "h": 278.7
  },
  "luminance": 0.0392
}

Semantic roles & 50–950 ramp

primary

#312097

secondary

#B0BF54

accent

#E840D0

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #312097

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

Preview Lab → · Contrast checker → · Palette generator →