#313287#313287

#313287 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.1% C 0.139 H 276.8°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#313287
RGB	rgb(49, 50, 135)
HSL	hsl(239, 47%, 36%)
HSV	hsv(239, 64%, 53%)
CMYK	cmyk(63.7%, 63%, 0%, 47.1%)
CIE-LAB	lab(25.81, 27.13, -47.82)
CIE-LCH	lch(25.81, 54.98, 299.57°)
OKLab	oklab(37.15% 0.0163 -0.1376)
OKLCH	oklch(37.15% 0.139 276.8)
XYZ	xyz(6.7790, 4.6829, 23.4636)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313287 #878631

analogous

#315D87 #313287 #5B3187

triadic

#313287 #873132 #328731

tetradic

#313287 #87315D #878631 #31875B

square

#313287 #87315D #878631 #31875B

split-complementary

#313287 #875B31 #5D8731

monochromatic

#10112D #21215A #313287 #4143B4 #6A6BC9

Accessibility & contrast

On white

10.84

#313287 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#313287 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313287

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313287	#FFFFFF	#000000	##FFFFFF
##313287	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418A

Deuteranopia (green-blind)

#003985

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #313287;
/* rgb */ color: rgb(49, 50, 135);
/* oklch */ color: oklch(37.1% 0.139 276.8);

Tailwind

colors: {
  custom: {
    50: '#736aab',
    500: '#313287',
    950: '#000000',
  },
}

SCSS

$custom: #313287;
$custom-light: #736aab;
$custom-dark: #000000;

JSON

{
  "hex": "#313287",
  "rgb": {
    "r": 49,
    "g": 50,
    "b": 135
  },
  "hsl": {
    "h": 239.302,
    "s": 46.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37147,
    "c": 0.13857,
    "h": 276.8
  },
  "luminance": 0.04683
}

Semantic roles & 50–950 ramp

primary

#313287

secondary

#B0AF64

accent

#D551D6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #313287

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

Preview Lab → · Contrast checker → · Palette generator →