#316DC4#316DC4

#316DC4 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.1% C 0.149 H 258.0°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#316DC4
RGB	rgb(49, 109, 196)
HSL	hsl(216, 60%, 48%)
HSV	hsv(216, 75%, 77%)
CMYK	cmyk(75%, 44.4%, 0%, 23.1%)
CIE-LAB	lab(46.41, 11.01, -51.04)
CIE-LCH	lch(46.41, 52.21, 282.17°)
OKLab	oklab(54.12% -0.0309 -0.1462)
OKLCH	oklch(54.12% 0.149 258)
XYZ	xyz(16.6954, 15.5739, 54.3400)
Luminance	0.1558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316DC4 #C48831

analogous

#31B6C4 #316DC4 #3E31C4

triadic

#316DC4 #C4316D #6DC431

tetradic

#316DC4 #C431B6 #C48831 #31C43E

square

#316DC4 #C431B6 #C48831 #31C43E

split-complementary

#316DC4 #C43E31 #B6C431

monochromatic

#193762 #255293 #316DC4 #5C8ED6 #8DB0E2

Accessibility & contrast

On white

5.10

#316DC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#316DC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316DC4

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316DC4	#FFFFFF	#000000	##FFFFFF
##316DC4	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4175C7

Deuteranopia (green-blind)

#2368C2

Tritanopia (blue-blind)

#00828F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #316dc4;
/* rgb */ color: rgb(49, 109, 196);
/* oklch */ color: oklch(54.1% 0.149 258.0);

Tailwind

colors: {
  custom: {
    50: '#7d96d6',
    500: '#316dc4',
    950: '#000000',
  },
}

SCSS

$custom: #316dc4;
$custom-light: #7d96d6;
$custom-dark: #000000;

JSON

{
  "hex": "#316dc4",
  "rgb": {
    "r": 49,
    "g": 109,
    "b": 196
  },
  "hsl": {
    "h": 215.51,
    "s": 60,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54124,
    "c": 0.14944,
    "h": 258
  },
  "luminance": 0.15576
}

Semantic roles & 50–950 ramp

primary

#316DC4

secondary

#CDAF84

accent

#A245E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #316DC4

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

Preview Lab → · Contrast checker → · Palette generator →