#313CC4#313CC4

#313CC4 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.6% C 0.207 H 271.1°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#313CC4
RGB	rgb(49, 60, 196)
HSL	hsl(236, 60%, 48%)
HSV	hsv(236, 75%, 77%)
CMYK	cmyk(75%, 69.4%, 0%, 23.1%)
CIE-LAB	lab(33.71, 42.31, -71.68)
CIE-LCH	lch(33.71, 83.24, 300.55°)
OKLab	oklab(44.59% 0.0039 -0.2074)
OKLCH	oklch(44.59% 0.207 271.1)
XYZ	xyz(12.8429, 7.8688, 53.0558)
Luminance	0.0787 (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

#313CC4 #C4B931

analogous

#3185C4 #313CC4 #6F31C4

triadic

#313CC4 #C4313C #3CC431

tetradic

#313CC4 #C43185 #C4B931 #31C46F

square

#313CC4 #C43185 #C4B931 #31C46F

split-complementary

#313CC4 #C46F31 #85C431

monochromatic

#191E62 #252D93 #313CC4 #5C65D6 #8D93E2

Accessibility & contrast

On white

8.16

#313CC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#313CC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313CC4

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313CC4	#FFFFFF	#000000	##FFFFFF
##313CC4	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C8

Deuteranopia (green-blind)

#0048C2

Tritanopia (blue-blind)

#00627B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #313cc4;
/* rgb */ color: rgb(49, 60, 196);
/* oklch */ color: oklch(44.6% 0.207 271.1);

Tailwind

colors: {
  custom: {
    50: '#8072d7',
    500: '#313cc4',
    950: '#000000',
  },
}

SCSS

$custom: #313cc4;
$custom-light: #8072d7;
$custom-dark: #000000;

JSON

{
  "hex": "#313cc4",
  "rgb": {
    "r": 49,
    "g": 60,
    "b": 196
  },
  "hsl": {
    "h": 235.51,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.44592,
    "c": 0.20748,
    "h": 271.1
  },
  "luminance": 0.0787
}

Semantic roles & 50–950 ramp

primary

#313CC4

secondary

#CDC784

accent

#D745E3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #313CC4

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

Preview Lab → · Contrast checker → · Palette generator →