#313CC7#313CC7

#313CC7 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 44.9% C 0.211 H 270.9°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#313CC7
RGB	rgb(49, 60, 199)
HSL	hsl(236, 60%, 49%)
HSV	hsv(236, 75%, 78%)
CMYK	cmyk(75.4%, 69.8%, 0%, 22%)
CIE-LAB	lab(34.00, 43.35, -72.96)
CIE-LCH	lch(34.00, 84.86, 300.72°)
OKLab	oklab(44.89% 0.0035 -0.2112)
OKLCH	oklch(44.89% 0.211 270.9)
XYZ	xyz(13.1878, 8.0068, 54.8722)
Luminance	0.0801 (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

#313CC7 #C7BC31

analogous

#3187C7 #313CC7 #7131C7

triadic

#313CC7 #C7313C #3CC731

tetradic

#313CC7 #C73187 #C7BC31 #31C771

square

#313CC7 #C73187 #C7BC31 #31C771

split-complementary

#313CC7 #C77131 #87C731

monochromatic

#191E65 #252D96 #313CC7 #5E67D7 #8F95E3

Accessibility & contrast

On white

8.07

#313CC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#313CC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313CC7

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313CC7	#FFFFFF	#000000	##FFFFFF
##313CC7	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CB

Deuteranopia (green-blind)

#0049C4

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #313cc7;
/* rgb */ color: rgb(49, 60, 199);
/* oklch */ color: oklch(44.9% 0.211 270.9);

Tailwind

colors: {
  custom: {
    50: '#8172d9',
    500: '#313cc7',
    950: '#000000',
  },
}

SCSS

$custom: #313cc7;
$custom-light: #8172d9;
$custom-dark: #000000;

JSON

{
  "hex": "#313cc7",
  "rgb": {
    "r": 49,
    "g": 60,
    "b": 199
  },
  "hsl": {
    "h": 235.6,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.44887,
    "c": 0.2112,
    "h": 270.9
  },
  "luminance": 0.08008
}

Semantic roles & 50–950 ramp

primary

#313CC7

secondary

#CEC986

accent

#D844E4

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #313CC7

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

Preview Lab → · Contrast checker → · Palette generator →