#313797#313797

#313797 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.154 H 274.1°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#313797
RGB	rgb(49, 55, 151)
HSL	hsl(236, 51%, 39%)
HSV	hsv(236, 68%, 59%)
CMYK	cmyk(67.5%, 63.6%, 0%, 40.8%)
CIE-LAB	lab(28.43, 29.58, -53.43)
CIE-LCH	lch(28.43, 61.07, 298.97°)
OKLab	oklab(39.5% 0.0111 -0.154)
OKLCH	oklch(39.5% 0.154 274.1)
XYZ	xyz(8.2169, 5.6190, 29.9237)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313797 #979131

analogous

#316A97 #313797 #5E3197

triadic

#313797 #973137 #379731

tetradic

#313797 #97316A #979131 #31975E

square

#313797 #97316A #979131 #31975E

split-complementary

#313797 #975E31 #6A9731

monochromatic

#13153B #222669 #313797 #434BC2 #7177D1

Accessibility & contrast

On white

9.89

#313797 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#313797 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313797

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313797	#FFFFFF	#000000	##FFFFFF
##313797	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489A

Deuteranopia (green-blind)

#003F95

Tritanopia (blue-blind)

#004F61

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #313797;
/* rgb */ color: rgb(49, 55, 151);
/* oklch */ color: oklch(39.5% 0.154 274.1);

Tailwind

colors: {
  custom: {
    50: '#766eb6',
    500: '#313797',
    950: '#000000',
  },
}

SCSS

$custom: #313797;
$custom-light: #766eb6;
$custom-dark: #000000;

JSON

{
  "hex": "#313797",
  "rgb": {
    "r": 49,
    "g": 55,
    "b": 151
  },
  "hsl": {
    "h": 236.471,
    "s": 51,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39495,
    "c": 0.15445,
    "h": 274.1
  },
  "luminance": 0.0562
}

Semantic roles & 50–950 ramp

primary

#313797

secondary

#B9B46B

accent

#D24DDA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #313797

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

Preview Lab → · Contrast checker → · Palette generator →