#316EB3#316EB3

#316EB3 is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.3% C 0.126 H 253.6°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#316EB3
RGB	rgb(49, 110, 179)
HSL	hsl(212, 57%, 45%)
HSV	hsv(212, 73%, 70%)
CMYK	cmyk(72.6%, 38.5%, 0%, 29.8%)
CIE-LAB	lab(45.71, 4.05, -42.30)
CIE-LCH	lch(45.71, 42.50, 275.47°)
OKLab	oklab(53.26% -0.0355 -0.1205)
OKLCH	oklch(53.26% 0.126 253.6)
XYZ	xyz(14.9762, 15.0579, 44.7563)
Luminance	0.1506 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316EB3 #B37631

analogous

#31AFB3 #316EB3 #3531B3

triadic

#316EB3 #B3316E #6EB331

tetradic

#316EB3 #B331AF #B37631 #31B335

square

#316EB3 #B331AF #B37631 #31B335

split-complementary

#316EB3 #B33531 #AFB331

monochromatic

#173353 #245083 #316EB3 #528DD0 #82ACDD

Accessibility & contrast

On white

5.23

#316EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#316EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316EB3

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316EB3	#FFFFFF	#000000	##FFFFFF
##316EB3	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E73B6

Deuteranopia (green-blind)

#3A67B2

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #316eb3;
/* rgb */ color: rgb(49, 110, 179);
/* oklch */ color: oklch(53.3% 0.126 253.6);

Tailwind

colors: {
  custom: {
    50: '#7a97ca',
    500: '#316eb3',
    950: '#000000',
  },
}

SCSS

$custom: #316eb3;
$custom-light: #7a97ca;
$custom-dark: #000000;

JSON

{
  "hex": "#316eb3",
  "rgb": {
    "r": 49,
    "g": 110,
    "b": 179
  },
  "hsl": {
    "h": 211.846,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53263,
    "c": 0.12566,
    "h": 253.6
  },
  "luminance": 0.1506
}

Semantic roles & 50–950 ramp

primary

#316EB3

secondary

#C6A27A

accent

#9948E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316EB3

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

Preview Lab → · Contrast checker → · Palette generator →