#316FB3#316FB3

#316FB3 is a mid, vivid cyan. Relative luminance 0.153; OKLCH L 53.5% C 0.125 H 253.0°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#316FB3
RGB	rgb(49, 111, 179)
HSL	hsl(211, 57%, 45%)
HSV	hsv(211, 73%, 70%)
CMYK	cmyk(72.6%, 38%, 0%, 29.8%)
CIE-LAB	lab(46.01, 3.43, -41.83)
CIE-LCH	lch(46.01, 41.98, 274.69°)
OKLab	oklab(53.49% -0.0365 -0.1191)
OKLCH	oklch(53.49% 0.125 253)
XYZ	xyz(15.0847, 15.2749, 44.7924)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316FB3 #B37531

analogous

#31B0B3 #316FB3 #3431B3

triadic

#316FB3 #B3316F #6FB331

tetradic

#316FB3 #B331B0 #B37531 #31B334

square

#316FB3 #B331B0 #B37531 #31B334

split-complementary

#316FB3 #B33431 #B0B331

monochromatic

#173353 #245183 #316FB3 #528ED0 #82ADDD

Accessibility & contrast

On white

5.18

#316FB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#316FB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316FB3

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316FB3	#FFFFFF	#000000	##FFFFFF
##316FB3	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5074B6

Deuteranopia (green-blind)

#3C67B2

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #316fb3;
/* rgb */ color: rgb(49, 111, 179);
/* oklch */ color: oklch(53.5% 0.125 253.0);

Tailwind

colors: {
  custom: {
    50: '#7a97ca',
    500: '#316fb3',
    950: '#000000',
  },
}

SCSS

$custom: #316fb3;
$custom-light: #7a97ca;
$custom-dark: #000000;

JSON

{
  "hex": "#316fb3",
  "rgb": {
    "r": 49,
    "g": 111,
    "b": 179
  },
  "hsl": {
    "h": 211.385,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53493,
    "c": 0.12461,
    "h": 253
  },
  "luminance": 0.15277
}

Semantic roles & 50–950 ramp

primary

#316FB3

secondary

#C6A27A

accent

#9748E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316FB3

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

Preview Lab → · Contrast checker → · Palette generator →