#313687#313687

#313687 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.9% C 0.133 H 275.4°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#313687
RGB	rgb(49, 54, 135)
HSL	hsl(237, 47%, 36%)
HSV	hsv(237, 64%, 53%)
CMYK	cmyk(63.7%, 60%, 0%, 47.1%)
CIE-LAB	lab(26.85, 24.47, -46.13)
CIE-LCH	lch(26.85, 52.22, 297.94°)
OKLab	oklab(37.91% 0.0125 -0.1326)
OKLCH	oklch(37.91% 0.133 275.4)
XYZ	xyz(6.9575, 5.0400, 23.5231)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313687 #878231

analogous

#316187 #313687 #573187

triadic

#313687 #873136 #368731

tetradic

#313687 #873161 #878231 #318757

square

#313687 #873161 #878231 #318757

split-complementary

#313687 #875731 #618731

monochromatic

#10122D #21245A #313687 #4148B4 #6A6FC9

Accessibility & contrast

On white

10.46

#313687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#313687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313687

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313687	#FFFFFF	#000000	##FFFFFF
##313687	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #313687;
/* rgb */ color: rgb(49, 54, 135);
/* oklch */ color: oklch(37.9% 0.133 275.4);

Tailwind

colors: {
  custom: {
    50: '#736dab',
    500: '#313687',
    950: '#000000',
  },
}

SCSS

$custom: #313687;
$custom-light: #736dab;
$custom-dark: #000000;

JSON

{
  "hex": "#313687",
  "rgb": {
    "r": 49,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 236.512,
    "s": 46.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37913,
    "c": 0.1332,
    "h": 275.4
  },
  "luminance": 0.05041
}

Semantic roles & 50–950 ramp

primary

#313687

secondary

#B0AC64

accent

#CF51D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #313687

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

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