#313BA2#313BA2

#313BA2 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.165 H 272.6°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#313BA2
RGB	rgb(49, 59, 162)
HSL	hsl(235, 54%, 41%)
HSV	hsv(235, 70%, 64%)
CMYK	cmyk(69.8%, 63.6%, 0%, 36.5%)
CIE-LAB	lab(30.37, 30.93, -56.94)
CIE-LCH	lch(30.37, 64.80, 298.51°)
OKLab	oklab(41.22% 0.0074 -0.1643)
OKLCH	oklch(41.22% 0.165 272.6)
XYZ	xyz(9.3500, 6.3886, 34.9158)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313BA2 #A29831

analogous

#3174A2 #313BA2 #6031A2

triadic

#313BA2 #A2313B #3BA231

tetradic

#313BA2 #A23174 #A29831 #31A260

square

#313BA2 #A23174 #A29831 #31A260

split-complementary

#313BA2 #A26031 #74A231

monochromatic

#151944 #232A73 #313BA2 #4854C8 #7780D6

Accessibility & contrast

On white

9.22

#313BA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#313BA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313BA2

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313BA2	#FFFFFF	#000000	##FFFFFF
##313BA2	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA5

Deuteranopia (green-blind)

#0042A0

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #313ba2;
/* rgb */ color: rgb(49, 59, 162);
/* oklch */ color: oklch(41.2% 0.165 272.6);

Tailwind

colors: {
  custom: {
    50: '#7871be',
    500: '#313ba2',
    950: '#000000',
  },
}

SCSS

$custom: #313ba2;
$custom-light: #7871be;
$custom-dark: #000000;

JSON

{
  "hex": "#313ba2",
  "rgb": {
    "r": 49,
    "g": 59,
    "b": 162
  },
  "hsl": {
    "h": 234.69,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41216,
    "c": 0.1645,
    "h": 272.6
  },
  "luminance": 0.0639
}

Semantic roles & 50–950 ramp

primary

#313BA2

secondary

#BEB771

accent

#D04BDD

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #313BA2

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

Preview Lab → · Contrast checker → · Palette generator →