#313CC5#313CC5

#313CC5 is a dark, highly saturated blue. Relative luminance 0.079; OKLCH L 44.7% C 0.209 H 271.0°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#313CC5
RGB	rgb(49, 60, 197)
HSL	hsl(236, 60%, 48%)
HSV	hsv(236, 75%, 77%)
CMYK	cmyk(75.1%, 69.5%, 0%, 22.7%)
CIE-LAB	lab(33.80, 42.66, -72.10)
CIE-LCH	lch(33.80, 83.78, 300.61°)
OKLab	oklab(44.69% 0.0037 -0.2087)
OKLCH	oklch(44.69% 0.209 271)
XYZ	xyz(12.9571, 7.9145, 53.6573)
Luminance	0.0792 (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

#313CC5 #C5BA31

analogous

#3186C5 #313CC5 #7031C5

triadic

#313CC5 #C5313C #3CC531

tetradic

#313CC5 #C53186 #C5BA31 #31C570

square

#313CC5 #C53186 #C5BA31 #31C570

split-complementary

#313CC5 #C57031 #86C531

monochromatic

#191E63 #252D94 #313CC5 #5D66D7 #8E94E3

Accessibility & contrast

On white

8.13

#313CC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#313CC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313CC5

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313CC5	#FFFFFF	#000000	##FFFFFF
##313CC5	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C9

Deuteranopia (green-blind)

#0048C2

Tritanopia (blue-blind)

#00627C

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #313cc5;
/* rgb */ color: rgb(49, 60, 197);
/* oklch */ color: oklch(44.7% 0.209 271.0);

Tailwind

colors: {
  custom: {
    50: '#8072d8',
    500: '#313cc5',
    950: '#000000',
  },
}

SCSS

$custom: #313cc5;
$custom-light: #8072d8;
$custom-dark: #000000;

JSON

{
  "hex": "#313cc5",
  "rgb": {
    "r": 49,
    "g": 60,
    "b": 197
  },
  "hsl": {
    "h": 235.541,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.4469,
    "c": 0.20871,
    "h": 271
  },
  "luminance": 0.07916
}

Semantic roles & 50–950 ramp

primary

#313CC5

secondary

#CDC885

accent

#D844E3

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #313CC5

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

Preview Lab → · Contrast checker → · Palette generator →