#313AA2#313AA2

#313AA2 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.0% C 0.166 H 272.8°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#313AA2
RGB	rgb(49, 58, 162)
HSL	hsl(235, 54%, 41%)
HSV	hsv(235, 70%, 64%)
CMYK	cmyk(69.8%, 64.2%, 0%, 36.5%)
CIE-LAB	lab(30.12, 31.58, -57.35)
CIE-LCH	lch(30.12, 65.47, 298.84°)
OKLab	oklab(41.03% 0.0081 -0.1655)
OKLCH	oklch(41.03% 0.166 272.8)
XYZ	xyz(9.2991, 6.2868, 34.8988)
Luminance	0.0629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313AA2 #A29931

analogous

#3173A2 #313AA2 #6131A2

triadic

#313AA2 #A2313A #3AA231

tetradic

#313AA2 #A23173 #A29931 #31A261

square

#313AA2 #A23173 #A29931 #31A261

split-complementary

#313AA2 #A26131 #73A231

monochromatic

#151844 #232973 #313AA2 #4853C8 #777FD6

Accessibility & contrast

On white

9.30

#313AA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#313AA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313AA2

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313AA2	#FFFFFF	#000000	##FFFFFF
##313AA2	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA5

Deuteranopia (green-blind)

#0042A0

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #313aa2;
/* rgb */ color: rgb(49, 58, 162);
/* oklch */ color: oklch(41.0% 0.166 272.8);

Tailwind

colors: {
  custom: {
    50: '#7870be',
    500: '#313aa2',
    950: '#000000',
  },
}

SCSS

$custom: #313aa2;
$custom-light: #7870be;
$custom-dark: #000000;

JSON

{
  "hex": "#313aa2",
  "rgb": {
    "r": 49,
    "g": 58,
    "b": 162
  },
  "hsl": {
    "h": 235.221,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41034,
    "c": 0.16572,
    "h": 272.8
  },
  "luminance": 0.06288
}

Semantic roles & 50–950 ramp

primary

#313AA2

secondary

#BEB871

accent

#D14BDD

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #313AA2

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

Preview Lab → · Contrast checker → · Palette generator →