#313184#313184

#313184 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.7% C 0.136 H 277.4°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#313184
RGB	rgb(49, 49, 132)
HSL	hsl(240, 46%, 35%)
HSV	hsv(240, 63%, 52%)
CMYK	cmyk(62.9%, 62.9%, 0%, 48.2%)
CIE-LAB	lab(25.31, 26.73, -46.77)
CIE-LCH	lch(25.31, 53.86, 299.75°)
OKLab	oklab(36.7% 0.0174 -0.1345)
OKLCH	oklch(36.7% 0.136 277.4)
XYZ	xyz(6.5285, 4.5150, 22.3528)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313184 #848431

analogous

#315A84 #313184 #5A3184

triadic

#313184 #843131 #318431

tetradic

#313184 #84315A #848431 #31845A

square

#313184 #84315A #848431 #31845A

split-complementary

#313184 #845A31 #5A8431

monochromatic

#10102B #202057 #313184 #4242B1 #6868C7

Accessibility & contrast

On white

11.03

#313184 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#313184 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313184

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313184	#FFFFFF	#000000	##FFFFFF
##313184	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004087

Deuteranopia (green-blind)

#003882

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #313184;
/* rgb */ color: rgb(49, 49, 132);
/* oklch */ color: oklch(36.7% 0.136 277.4);

Tailwind

colors: {
  custom: {
    50: '#7369a8',
    500: '#313184',
    950: '#000000',
  },
}

SCSS

$custom: #313184;
$custom-light: #7369a8;
$custom-dark: #000000;

JSON

{
  "hex": "#313184",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 132
  },
  "hsl": {
    "h": 240,
    "s": 45.856,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36697,
    "c": 0.13565,
    "h": 277.4
  },
  "luminance": 0.04516
}

Semantic roles & 50–950 ramp

primary

#313184

secondary

#AEAE62

accent

#D652D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313184

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

Preview Lab → · Contrast checker → · Palette generator →