#316CB4#316CB4

#316CB4 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.9% C 0.129 H 255.0°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#316CB4
RGB	rgb(49, 108, 180)
HSL	hsl(213, 57%, 45%)
HSV	hsv(213, 73%, 71%)
CMYK	cmyk(72.8%, 40%, 0%, 29.4%)
CIE-LAB	lab(45.18, 5.67, -43.73)
CIE-LCH	lch(45.18, 44.10, 277.39°)
OKLab	oklab(52.87% -0.0334 -0.1247)
OKLCH	oklch(52.87% 0.129 255)
XYZ	xyz(14.8644, 14.6717, 45.2197)
Luminance	0.1467 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316CB4 #B47931

analogous

#31AEB4 #316CB4 #3831B4

triadic

#316CB4 #B4316C #6CB431

tetradic

#316CB4 #B431AE #B47931 #31B438

square

#316CB4 #B431AE #B47931 #31B438

split-complementary

#316CB4 #B43831 #AEB431

monochromatic

#173254 #244F84 #316CB4 #528BD0 #82ABDD

Accessibility & contrast

On white

5.34

#316CB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#316CB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316CB4

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316CB4	#FFFFFF	#000000	##FFFFFF
##316CB4	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A72B7

Deuteranopia (green-blind)

#3665B3

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #316cb4;
/* rgb */ color: rgb(49, 108, 180);
/* oklch */ color: oklch(52.9% 0.129 255.0);

Tailwind

colors: {
  custom: {
    50: '#7a95cb',
    500: '#316cb4',
    950: '#000000',
  },
}

SCSS

$custom: #316cb4;
$custom-light: #7a95cb;
$custom-dark: #000000;

JSON

{
  "hex": "#316cb4",
  "rgb": {
    "r": 49,
    "g": 108,
    "b": 180
  },
  "hsl": {
    "h": 212.977,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52866,
    "c": 0.12915,
    "h": 255
  },
  "luminance": 0.14673
}

Semantic roles & 50–950 ramp

primary

#316CB4

secondary

#C6A47B

accent

#9B47E0

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316CB4

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

Preview Lab → · Contrast checker → · Palette generator →