#313186#313186

#313186 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.9% C 0.138 H 277.2°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#313186
RGB	rgb(49, 49, 134)
HSL	hsl(240, 46%, 36%)
HSV	hsv(240, 63%, 53%)
CMYK	cmyk(63.4%, 63.4%, 0%, 47.5%)
CIE-LAB	lab(25.47, 27.44, -47.74)
CIE-LCH	lch(25.47, 55.07, 299.88°)
OKLab	oklab(36.87% 0.0173 -0.1374)
OKLCH	oklch(36.87% 0.138 277.2)
XYZ	xyz(6.6666, 4.5703, 23.0805)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313186 #868631

analogous

#315B86 #313186 #5B3186

triadic

#313186 #863131 #318631

tetradic

#313186 #86315B #868631 #31865B

square

#313186 #86315B #868631 #31865B

split-complementary

#313186 #865B31 #5B8631

monochromatic

#10102C #212159 #313186 #4141B3 #6969C8

Accessibility & contrast

On white

10.97

#313186 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#313186 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313186

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313186	#FFFFFF	#000000	##FFFFFF
##313186	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004089

Deuteranopia (green-blind)

#003984

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #313186;
/* rgb */ color: rgb(49, 49, 134);
/* oklch */ color: oklch(36.9% 0.138 277.2);

Tailwind

colors: {
  custom: {
    50: '#7369aa',
    500: '#313186',
    950: '#000000',
  },
}

SCSS

$custom: #313186;
$custom-light: #7369aa;
$custom-dark: #000000;

JSON

{
  "hex": "#313186",
  "rgb": {
    "r": 49,
    "g": 49,
    "b": 134
  },
  "hsl": {
    "h": 240,
    "s": 46.448,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36872,
    "c": 0.13849,
    "h": 277.2
  },
  "luminance": 0.04571
}

Semantic roles & 50–950 ramp

primary

#313186

secondary

#B0B063

accent

#D652D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313186

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

Preview Lab → · Contrast checker → · Palette generator →