#313897#313897

#313897 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.7% C 0.153 H 273.8°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#313897
RGB	rgb(49, 56, 151)
HSL	hsl(236, 51%, 39%)
HSV	hsv(236, 68%, 59%)
CMYK	cmyk(67.5%, 62.9%, 0%, 40.8%)
CIE-LAB	lab(28.68, 28.92, -53.02)
CIE-LCH	lch(28.68, 60.39, 298.61°)
OKLab	oklab(39.68% 0.0103 -0.1528)
OKLCH	oklch(39.68% 0.153 273.8)
XYZ	xyz(8.2649, 5.7149, 29.9397)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313897 #979031

analogous

#316B97 #313897 #5D3197

triadic

#313897 #973138 #389731

tetradic

#313897 #97316B #979031 #31975D

square

#313897 #97316B #979031 #31975D

split-complementary

#313897 #975D31 #6B9731

monochromatic

#13163B #222769 #313897 #434CC2 #7178D1

Accessibility & contrast

On white

9.80

#313897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#313897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313897

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313897	#FFFFFF	#000000	##FFFFFF
##313897	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489A

Deuteranopia (green-blind)

#003F95

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #313897;
/* rgb */ color: rgb(49, 56, 151);
/* oklch */ color: oklch(39.7% 0.153 273.8);

Tailwind

colors: {
  custom: {
    50: '#766eb6',
    500: '#313897',
    950: '#000000',
  },
}

SCSS

$custom: #313897;
$custom-light: #766eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#313897",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 151
  },
  "hsl": {
    "h": 235.882,
    "s": 51,
    "l": 39.216
  },
  "oklch": {
    "l": 0.3968,
    "c": 0.15319,
    "h": 273.8
  },
  "luminance": 0.05716
}

Semantic roles & 50–950 ramp

primary

#313897

secondary

#B9B46B

accent

#D14DDA

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #313897

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

Preview Lab → · Contrast checker → · Palette generator →