#316CC5#316CC5

#316CC5 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.0% C 0.152 H 258.6°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#316CC5
RGB	rgb(49, 108, 197)
HSL	hsl(216, 60%, 48%)
HSV	hsv(216, 75%, 77%)
CMYK	cmyk(75.1%, 45.2%, 0%, 22.7%)
CIE-LAB	lab(46.19, 12.02, -51.97)
CIE-LCH	lch(46.19, 53.34, 283.02°)
OKLab	oklab(53.97% -0.0299 -0.149)
OKLCH	oklch(53.97% 0.152 258.6)
XYZ	xyz(16.7036, 15.4074, 54.9061)
Luminance	0.1541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316CC5 #C58A31

analogous

#31B6C5 #316CC5 #4031C5

triadic

#316CC5 #C5316C #6CC531

tetradic

#316CC5 #C531B6 #C58A31 #31C540

square

#316CC5 #C531B6 #C58A31 #31C540

split-complementary

#316CC5 #C54031 #B6C531

monochromatic

#193663 #255194 #316CC5 #5D8DD7 #8EB0E3

Accessibility & contrast

On white

5.14

#316CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#316CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316CC5

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316CC5	#FFFFFF	#000000	##FFFFFF
##316CC5	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E75C8

Deuteranopia (green-blind)

#1E67C3

Tritanopia (blue-blind)

#00818F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #316cc5;
/* rgb */ color: rgb(49, 108, 197);
/* oklch */ color: oklch(54.0% 0.152 258.6);

Tailwind

colors: {
  custom: {
    50: '#7d95d7',
    500: '#316cc5',
    950: '#000000',
  },
}

SCSS

$custom: #316cc5;
$custom-light: #7d95d7;
$custom-dark: #000000;

JSON

{
  "hex": "#316cc5",
  "rgb": {
    "r": 49,
    "g": 108,
    "b": 197
  },
  "hsl": {
    "h": 216.081,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.53972,
    "c": 0.15193,
    "h": 258.6
  },
  "luminance": 0.15409
}

Semantic roles & 50–950 ramp

primary

#316CC5

secondary

#CDB085

accent

#A444E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #316CC5

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

Preview Lab → · Contrast checker → · Palette generator →