#316DC5#316DC5

#316DC5 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.2% C 0.151 H 258.2°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#316DC5
RGB	rgb(49, 109, 197)
HSL	hsl(216, 60%, 48%)
HSV	hsv(216, 75%, 77%)
CMYK	cmyk(75.1%, 44.7%, 0%, 22.7%)
CIE-LAB	lab(46.47, 11.38, -51.52)
CIE-LCH	lch(46.47, 52.76, 282.46°)
OKLab	oklab(54.19% -0.0308 -0.1476)
OKLCH	oklch(54.19% 0.151 258.2)
XYZ	xyz(16.8096, 15.6196, 54.9415)
Luminance	0.1562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316DC5 #C58931

analogous

#31B7C5 #316DC5 #3F31C5

triadic

#316DC5 #C5316D #6DC531

tetradic

#316DC5 #C531B7 #C58931 #31C53F

square

#316DC5 #C531B7 #C58931 #31C53F

split-complementary

#316DC5 #C53F31 #B7C531

monochromatic

#193763 #255294 #316DC5 #5D8ED7 #8EB0E3

Accessibility & contrast

On white

5.09

#316DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#316DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316DC5

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316DC5	#FFFFFF	#000000	##FFFFFF
##316DC5	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4075C8

Deuteranopia (green-blind)

#2268C3

Tritanopia (blue-blind)

#00828F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #316dc5;
/* rgb */ color: rgb(49, 109, 197);
/* oklch */ color: oklch(54.2% 0.151 258.2);

Tailwind

colors: {
  custom: {
    50: '#7d96d7',
    500: '#316dc5',
    950: '#000000',
  },
}

SCSS

$custom: #316dc5;
$custom-light: #7d96d7;
$custom-dark: #000000;

JSON

{
  "hex": "#316dc5",
  "rgb": {
    "r": 49,
    "g": 109,
    "b": 197
  },
  "hsl": {
    "h": 215.676,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54191,
    "c": 0.15077,
    "h": 258.2
  },
  "luminance": 0.15621
}

Semantic roles & 50–950 ramp

primary

#316DC5

secondary

#CDB085

accent

#A344E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #316DC5

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

Preview Lab → · Contrast checker → · Palette generator →