#313DC2#313DC2

#313DC2 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.6% C 0.204 H 271.0°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#313DC2
RGB	rgb(49, 61, 194)
HSL	hsl(235, 60%, 48%)
HSV	hsv(235, 75%, 76%)
CMYK	cmyk(74.7%, 68.6%, 0%, 23.9%)
CIE-LAB	lab(33.74, 41.02, -70.45)
CIE-LCH	lch(33.74, 81.52, 300.21°)
OKLab	oklab(44.56% 0.0035 -0.2039)
OKLCH	oklch(44.56% 0.204 271)
XYZ	xyz(12.6697, 7.8841, 51.8825)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313DC2 #C2B631

analogous

#3186C2 #313DC2 #6D31C2

triadic

#313DC2 #C2313D #3DC231

tetradic

#313DC2 #C23186 #C2B631 #31C26D

square

#313DC2 #C23186 #C2B631 #31C26D

split-complementary

#313DC2 #C26D31 #86C231

monochromatic

#181E60 #252E91 #313DC2 #5B65D6 #8C93E2

Accessibility & contrast

On white

8.15

#313DC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#313DC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313DC2

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313DC2	#FFFFFF	#000000	##FFFFFF
##313DC2	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C6

Deuteranopia (green-blind)

#0048C0

Tritanopia (blue-blind)

#00617B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #313dc2;
/* rgb */ color: rgb(49, 61, 194);
/* oklch */ color: oklch(44.6% 0.204 271.0);

Tailwind

colors: {
  custom: {
    50: '#7f73d6',
    500: '#313dc2',
    950: '#000000',
  },
}

SCSS

$custom: #313dc2;
$custom-light: #7f73d6;
$custom-dark: #000000;

JSON

{
  "hex": "#313dc2",
  "rgb": {
    "r": 49,
    "g": 61,
    "b": 194
  },
  "hsl": {
    "h": 235.034,
    "s": 59.671,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44558,
    "c": 0.20389,
    "h": 271
  },
  "luminance": 0.07885
}

Semantic roles & 50–950 ramp

primary

#313DC2

secondary

#CCC683

accent

#D645E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #313DC2

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

Preview Lab → · Contrast checker → · Palette generator →