#313383#313383

#313383 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.132 H 276.8°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#313383
RGB	rgb(49, 51, 131)
HSL	hsl(239, 46%, 35%)
HSV	hsv(239, 63%, 51%)
CMYK	cmyk(62.6%, 61.1%, 0%, 48.6%)
CIE-LAB	lab(25.74, 25.04, -45.43)
CIE-LCH	lch(25.74, 51.88, 298.86°)
OKLab	oklab(36.99% 0.0155 -0.1306)
OKLCH	oklch(36.99% 0.132 276.8)
XYZ	xyz(6.5459, 4.6588, 22.0226)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313383 #838131

analogous

#315C83 #313383 #583183

triadic

#313383 #833133 #338331

tetradic

#313383 #83315C #838131 #318358

square

#313383 #83315C #838131 #318358

split-complementary

#313383 #835831 #5C8331

monochromatic

#10102A #202256 #313383 #4244B0 #686AC6

Accessibility & contrast

On white

10.87

#313383 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#313383 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313383

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313383	#FFFFFF	#000000	##FFFFFF
##313383	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004186

Deuteranopia (green-blind)

#003A81

Tritanopia (blue-blind)

#004656

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #313383;
/* rgb */ color: rgb(49, 51, 131);
/* oklch */ color: oklch(37.0% 0.132 276.8);

Tailwind

colors: {
  custom: {
    50: '#726aa8',
    500: '#313383',
    950: '#000000',
  },
}

SCSS

$custom: #313383;
$custom-light: #726aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#313383",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 131
  },
  "hsl": {
    "h": 238.537,
    "s": 45.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36991,
    "c": 0.13151,
    "h": 276.8
  },
  "luminance": 0.04659
}

Semantic roles & 50–950 ramp

primary

#313383

secondary

#AEAC62

accent

#D253D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313383

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

Preview Lab → · Contrast checker → · Palette generator →