#312199#312199

#312199 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 36.2% C 0.182 H 278.3°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#312199
RGB	rgb(49, 33, 153)
HSL	hsl(248, 65%, 36%)
HSV	hsv(248, 78%, 60%)
CMYK	cmyk(68%, 78.4%, 0%, 40%)
CIE-LAB	lab(23.80, 43.45, -62.25)
CIE-LCH	lch(23.80, 75.92, 304.91°)
OKLab	oklab(36.23% 0.0261 -0.1798)
OKLCH	oklch(36.23% 0.182 278.3)
XYZ	xyz(7.5584, 4.0399, 30.5123)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312199 #899921

analogous

#214D99 #312199 #6D2199

triadic

#312199 #993121 #219931

tetradic

#312199 #99214D #899921 #21996D

square

#312199 #99214D #899921 #21996D

split-complementary

#312199 #996D21 #4D9921

monochromatic

#110B34 #211667 #312199 #412CCB #6B59DB

Accessibility & contrast

On white

11.61

#312199 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#312199 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312199

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312199	#FFFFFF	#000000	##FFFFFF
##312199	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9C

Deuteranopia (green-blind)

#003497

Tritanopia (blue-blind)

#00455C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #312199;
/* rgb */ color: rgb(49, 33, 153);
/* oklch */ color: oklch(36.2% 0.182 278.3);

Tailwind

colors: {
  custom: {
    50: '#795fb8',
    500: '#312199',
    950: '#000000',
  },
}

SCSS

$custom: #312199;
$custom-light: #795fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#312199",
  "rgb": {
    "r": 49,
    "g": 33,
    "b": 153
  },
  "hsl": {
    "h": 248,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36229,
    "c": 0.18171,
    "h": 278.3
  },
  "luminance": 0.04041
}

Semantic roles & 50–950 ramp

primary

#312199

secondary

#B1BF56

accent

#E840D1

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #312199

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

Preview Lab → · Contrast checker → · Palette generator →