#316BB3#316BB3

#316BB3 is a mid, vivid cyan. Relative luminance 0.144; OKLCH L 52.6% C 0.129 H 255.3°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#316BB3
RGB	rgb(49, 107, 179)
HSL	hsl(213, 57%, 45%)
HSV	hsv(213, 73%, 70%)
CMYK	cmyk(72.6%, 40.2%, 0%, 29.8%)
CIE-LAB	lab(44.83, 5.93, -43.71)
CIE-LCH	lch(44.83, 44.11, 277.72°)
OKLab	oklab(52.58% -0.0327 -0.1247)
OKLCH	oklch(52.58% 0.129 255.3)
XYZ	xyz(14.6580, 14.4214, 44.6502)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316BB3 #B37931

analogous

#31ACB3 #316BB3 #3831B3

triadic

#316BB3 #B3316B #6BB331

tetradic

#316BB3 #B331AC #B37931 #31B338

square

#316BB3 #B331AC #B37931 #31B338

split-complementary

#316BB3 #B33831 #ACB331

monochromatic

#173253 #244E83 #316BB3 #528AD0 #82AADD

Accessibility & contrast

On white

5.41

#316BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#316BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316BB3

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316BB3	#FFFFFF	#000000	##FFFFFF
##316BB3	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4971B6

Deuteranopia (green-blind)

#3565B2

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #316bb3;
/* rgb */ color: rgb(49, 107, 179);
/* oklch */ color: oklch(52.6% 0.129 255.3);

Tailwind

colors: {
  custom: {
    50: '#7a94ca',
    500: '#316bb3',
    950: '#000000',
  },
}

SCSS

$custom: #316bb3;
$custom-light: #7a94ca;
$custom-dark: #000000;

JSON

{
  "hex": "#316bb3",
  "rgb": {
    "r": 49,
    "g": 107,
    "b": 179
  },
  "hsl": {
    "h": 213.231,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52576,
    "c": 0.12892,
    "h": 255.3
  },
  "luminance": 0.14423
}

Semantic roles & 50–950 ramp

primary

#316BB3

secondary

#C6A47A

accent

#9C48E0

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316BB3

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

Preview Lab → · Contrast checker → · Palette generator →