#313987#313987

#313987 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.5% C 0.129 H 274.2°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#313987
RGB	rgb(49, 57, 135)
HSL	hsl(234, 47%, 36%)
HSV	hsv(234, 64%, 53%)
CMYK	cmyk(63.7%, 57.8%, 0%, 47.1%)
CIE-LAB	lab(27.65, 22.45, -44.83)
CIE-LCH	lch(27.65, 50.14, 296.60°)
OKLab	oklab(38.51% 0.0095 -0.1288)
OKLCH	oklch(38.51% 0.129 274.2)
XYZ	xyz(7.1015, 5.3279, 23.5711)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313987 #877F31

analogous

#316487 #313987 #543187

triadic

#313987 #873139 #398731

tetradic

#313987 #873164 #877F31 #318754

square

#313987 #873164 #877F31 #318754

split-complementary

#313987 #875431 #648731

monochromatic

#10132D #21265A #313987 #414CB4 #6A72C9

Accessibility & contrast

On white

10.17

#313987 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#313987 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313987

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313987	#FFFFFF	#000000	##FFFFFF
##313987	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#003E85

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #313987;
/* rgb */ color: rgb(49, 57, 135);
/* oklch */ color: oklch(38.5% 0.129 274.2);

Tailwind

colors: {
  custom: {
    50: '#736fab',
    500: '#313987',
    950: '#000000',
  },
}

SCSS

$custom: #313987;
$custom-light: #736fab;
$custom-dark: #000000;

JSON

{
  "hex": "#313987",
  "rgb": {
    "r": 49,
    "g": 57,
    "b": 135
  },
  "hsl": {
    "h": 234.419,
    "s": 46.739,
    "l": 36.078
  },
  "oklch": {
    "l": 0.38509,
    "c": 0.12912,
    "h": 274.2
  },
  "luminance": 0.05328
}

Semantic roles & 50–950 ramp

primary

#313987

secondary

#B0A964

accent

#CA51D6

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #313987

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

Preview Lab → · Contrast checker → · Palette generator →