#316CB3#316CB3

#316CB3 is a mid, vivid cyan. Relative luminance 0.146; OKLCH L 52.8% C 0.128 H 254.7°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#316CB3
RGB	rgb(49, 108, 179)
HSL	hsl(213, 57%, 45%)
HSV	hsv(213, 73%, 70%)
CMYK	cmyk(72.6%, 39.7%, 0%, 29.8%)
CIE-LAB	lab(45.12, 5.30, -43.24)
CIE-LCH	lch(45.12, 43.56, 276.99°)
OKLab	oklab(52.8% -0.0336 -0.1233)
OKLCH	oklch(52.8% 0.128 254.7)
XYZ	xyz(14.7629, 14.6311, 44.6851)
Luminance	0.1463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316CB3 #B37831

analogous

#31ADB3 #316CB3 #3731B3

triadic

#316CB3 #B3316C #6CB331

tetradic

#316CB3 #B331AD #B37831 #31B337

square

#316CB3 #B331AD #B37831 #31B337

split-complementary

#316CB3 #B33731 #ADB331

monochromatic

#173253 #244F83 #316CB3 #528BD0 #82ABDD

Accessibility & contrast

On white

5.35

#316CB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#316CB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316CB3

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316CB3	#FFFFFF	#000000	##FFFFFF
##316CB3	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B71B6

Deuteranopia (green-blind)

#3765B2

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #316cb3;
/* rgb */ color: rgb(49, 108, 179);
/* oklch */ color: oklch(52.8% 0.128 254.7);

Tailwind

colors: {
  custom: {
    50: '#7a95ca',
    500: '#316cb3',
    950: '#000000',
  },
}

SCSS

$custom: #316cb3;
$custom-light: #7a95ca;
$custom-dark: #000000;

JSON

{
  "hex": "#316cb3",
  "rgb": {
    "r": 49,
    "g": 108,
    "b": 179
  },
  "hsl": {
    "h": 212.769,
    "s": 57.018,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52804,
    "c": 0.12782,
    "h": 254.7
  },
  "luminance": 0.14633
}

Semantic roles & 50–950 ramp

primary

#316CB3

secondary

#C6A37A

accent

#9B48E0

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316CB3

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

Preview Lab → · Contrast checker → · Palette generator →