#312198#312198

#312198 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.1% C 0.180 H 278.4°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#312198
RGB	rgb(49, 33, 152)
HSL	hsl(248, 64%, 36%)
HSV	hsv(248, 78%, 60%)
CMYK	cmyk(67.8%, 78.3%, 0%, 40.4%)
CIE-LAB	lab(23.69, 43.13, -61.82)
CIE-LCH	lch(23.69, 75.38, 304.91°)
OKLab	oklab(36.12% 0.0264 -0.1785)
OKLCH	oklch(36.12% 0.18 278.4)
XYZ	xyz(7.4761, 4.0070, 30.0791)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312198 #889821

analogous

#214D98 #312198 #6D2198

triadic

#312198 #983121 #219831

tetradic

#312198 #98214D #889821 #21986D

square

#312198 #98214D #889821 #21986D

split-complementary

#312198 #986D21 #4D9821

monochromatic

#110B33 #211666 #312198 #412CCA #6A59DB

Accessibility & contrast

On white

11.66

#312198 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#312198 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312198

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312198	#FFFFFF	#000000	##FFFFFF
##312198	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9B

Deuteranopia (green-blind)

#003396

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #312198;
/* rgb */ color: rgb(49, 33, 152);
/* oklch */ color: oklch(36.1% 0.180 278.4);

Tailwind

colors: {
  custom: {
    50: '#785fb8',
    500: '#312198',
    950: '#000000',
  },
}

SCSS

$custom: #312198;
$custom-light: #785fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#312198",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 152
  },
  "hsl": {
    "h": 248.067,
    "s": 64.324,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36121,
    "c": 0.18049,
    "h": 278.4
  },
  "luminance": 0.04008
}

Semantic roles & 50–950 ramp

primary

#312198

secondary

#B1BF56

accent

#E740D1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #312198

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

Preview Lab → · Contrast checker → · Palette generator →