#313585#313585

#313585 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.132 H 275.9°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#313585
RGB	rgb(49, 53, 133)
HSL	hsl(237, 46%, 36%)
HSV	hsv(237, 63%, 52%)
CMYK	cmyk(63.2%, 60.2%, 0%, 47.8%)
CIE-LAB	lab(26.43, 24.42, -45.57)
CIE-LCH	lch(26.43, 51.70, 298.18°)
OKLab	oklab(37.55% 0.0135 -0.131)
OKLCH	oklch(37.55% 0.132 275.9)
XYZ	xyz(6.7720, 4.8921, 22.7732)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313585 #858131

analogous

#315F85 #313585 #573185

triadic

#313585 #853135 #358531

tetradic

#313585 #85315F #858131 #318557

square

#313585 #85315F #858131 #318557

split-complementary

#313585 #855731 #5F8531

monochromatic

#10112C #212358 #313585 #4147B2 #696DC8

Accessibility & contrast

On white

10.61

#313585 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#313585 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313585

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313585	#FFFFFF	#000000	##FFFFFF
##313585	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004288

Deuteranopia (green-blind)

#003B83

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #313585;
/* rgb */ color: rgb(49, 53, 133);
/* oklch */ color: oklch(37.5% 0.132 275.9);

Tailwind

colors: {
  custom: {
    50: '#736ca9',
    500: '#313585',
    950: '#000000',
  },
}

SCSS

$custom: #313585;
$custom-light: #736ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#313585",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 133
  },
  "hsl": {
    "h": 237.143,
    "s": 46.154,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37549,
    "c": 0.13168,
    "h": 275.9
  },
  "luminance": 0.04893
}

Semantic roles & 50–950 ramp

primary

#313585

secondary

#AFAB63

accent

#D052D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #313585

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

Preview Lab → · Contrast checker → · Palette generator →