#316DB8#316DB8

#316DB8 is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.3% C 0.133 H 255.5°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#316DB8
RGB	rgb(49, 109, 184)
HSL	hsl(213, 58%, 46%)
HSV	hsv(213, 73%, 72%)
CMYK	cmyk(73.4%, 40.8%, 0%, 27.8%)
CIE-LAB	lab(45.70, 6.53, -45.23)
CIE-LCH	lch(45.70, 45.70, 278.22°)
OKLab	oklab(53.35% -0.0334 -0.1291)
OKLCH	oklch(53.35% 0.133 255.5)
XYZ	xyz(15.3838, 15.0492, 47.4321)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316DB8 #B87C31

analogous

#31B0B8 #316DB8 #3831B8

triadic

#316DB8 #B8316D #6DB831

tetradic

#316DB8 #B831B0 #B87C31 #31B838

square

#316DB8 #B831B0 #B87C31 #31B838

split-complementary

#316DB8 #B83831 #B0B831

monochromatic

#173457 #245088 #316DB8 #558CD2 #85ADDE

Accessibility & contrast

On white

5.24

#316DB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#316DB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316DB8

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316DB8	#FFFFFF	#000000	##FFFFFF
##316DB8	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4973BB

Deuteranopia (green-blind)

#3366B6

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #316db8;
/* rgb */ color: rgb(49, 109, 184);
/* oklch */ color: oklch(53.3% 0.133 255.5);

Tailwind

colors: {
  custom: {
    50: '#7b96ce',
    500: '#316db8',
    950: '#000000',
  },
}

SCSS

$custom: #316db8;
$custom-light: #7b96ce;
$custom-dark: #000000;

JSON

{
  "hex": "#316db8",
  "rgb": {
    "r": 49,
    "g": 109,
    "b": 184
  },
  "hsl": {
    "h": 213.333,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.53345,
    "c": 0.13339,
    "h": 255.5
  },
  "luminance": 0.15051
}

Semantic roles & 50–950 ramp

primary

#316DB8

secondary

#C8A77D

accent

#9C47E1

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #316DB8

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

Preview Lab → · Contrast checker → · Palette generator →