#316FB5#316FB5

#316FB5 is a mid, vivid cyan. Relative luminance 0.154; OKLCH L 53.6% C 0.127 H 253.6°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#316FB5
RGB	rgb(49, 111, 181)
HSL	hsl(212, 57%, 45%)
HSV	hsv(212, 73%, 71%)
CMYK	cmyk(72.9%, 38.7%, 0%, 29%)
CIE-LAB	lab(46.12, 4.17, -42.82)
CIE-LCH	lch(46.12, 43.03, 275.56°)
OKLab	oklab(53.62% -0.036 -0.122)
OKLCH	oklch(53.62% 0.127 253.6)
XYZ	xyz(15.2885, 15.3564, 45.8654)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316FB5 #B57731

analogous

#31B1B5 #316FB5 #3531B5

triadic

#316FB5 #B5316F #6FB531

tetradic

#316FB5 #B531B1 #B57731 #31B535

square

#316FB5 #B531B1 #B57731 #31B535

split-complementary

#316FB5 #B53531 #B1B531

monochromatic

#173455 #245185 #316FB5 #538ED0 #83ADDD

Accessibility & contrast

On white

5.16

#316FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#316FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316FB5

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316FB5	#FFFFFF	#000000	##FFFFFF
##316FB5	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F74B8

Deuteranopia (green-blind)

#3A68B4

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #316fb5;
/* rgb */ color: rgb(49, 111, 181);
/* oklch */ color: oklch(53.6% 0.127 253.6);

Tailwind

colors: {
  custom: {
    50: '#7a97cb',
    500: '#316fb5',
    950: '#000000',
  },
}

SCSS

$custom: #316fb5;
$custom-light: #7a97cb;
$custom-dark: #000000;

JSON

{
  "hex": "#316fb5",
  "rgb": {
    "r": 49,
    "g": 111,
    "b": 181
  },
  "hsl": {
    "h": 211.818,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53615,
    "c": 0.12724,
    "h": 253.6
  },
  "luminance": 0.15358
}

Semantic roles & 50–950 ramp

primary

#316FB5

secondary

#C7A37B

accent

#9947E1

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316FB5

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

Preview Lab → · Contrast checker → · Palette generator →