#313597#313597

#313597 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.157 H 274.7°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#313597
RGB	rgb(49, 53, 151)
HSL	hsl(238, 51%, 39%)
HSV	hsv(238, 68%, 59%)
CMYK	cmyk(67.5%, 64.9%, 0%, 40.8%)
CIE-LAB	lab(27.93, 30.88, -54.24)
CIE-LCH	lch(27.93, 62.41, 299.65°)
OKLab	oklab(39.13% 0.0127 -0.1564)
OKLCH	oklch(39.13% 0.157 274.7)
XYZ	xyz(8.1238, 5.4328, 29.8927)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313597 #979331

analogous

#316897 #313597 #603197

triadic

#313597 #973135 #359731

tetradic

#313597 #973168 #979331 #319760

square

#313597 #973168 #979331 #319760

split-complementary

#313597 #976031 #689731

monochromatic

#13153B #222569 #313597 #4348C2 #7175D1

Accessibility & contrast

On white

10.06

#313597 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#313597 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313597

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313597	#FFFFFF	#000000	##FFFFFF
##313597	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479A

Deuteranopia (green-blind)

#003D95

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #313597;
/* rgb */ color: rgb(49, 53, 151);
/* oklch */ color: oklch(39.1% 0.157 274.7);

Tailwind

colors: {
  custom: {
    50: '#766cb6',
    500: '#313597',
    950: '#000000',
  },
}

SCSS

$custom: #313597;
$custom-light: #766cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#313597",
  "rgb": {
    "r": 49,
    "g": 53,
    "b": 151
  },
  "hsl": {
    "h": 237.647,
    "s": 51,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39131,
    "c": 0.15696,
    "h": 274.7
  },
  "luminance": 0.05434
}

Semantic roles & 50–950 ramp

primary

#313597

secondary

#B9B66B

accent

#D54DDA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #313597

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

Preview Lab → · Contrast checker → · Palette generator →