#316CB5#316CB5

#316CB5 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.9% C 0.130 H 255.3°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#316CB5
RGB	rgb(49, 108, 181)
HSL	hsl(213, 57%, 45%)
HSV	hsv(213, 73%, 71%)
CMYK	cmyk(72.9%, 40.3%, 0%, 29%)
CIE-LAB	lab(45.24, 6.04, -44.22)
CIE-LCH	lch(45.24, 44.64, 277.78°)
OKLab	oklab(52.93% -0.0332 -0.1262)
OKLCH	oklch(52.93% 0.13 255.3)
XYZ	xyz(14.9666, 14.7126, 45.7581)
Luminance	0.1471 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316CB5 #B57A31

analogous

#31AEB5 #316CB5 #3831B5

triadic

#316CB5 #B5316C #6CB531

tetradic

#316CB5 #B531AE #B57A31 #31B538

square

#316CB5 #B531AE #B57A31 #31B538

split-complementary

#316CB5 #B53831 #AEB531

monochromatic

#173355 #244F85 #316CB5 #538BD0 #83ABDD

Accessibility & contrast

On white

5.33

#316CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#316CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316CB5

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316CB5	#FFFFFF	#000000	##FFFFFF
##316CB5	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A72B8

Deuteranopia (green-blind)

#3565B4

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #316cb5;
/* rgb */ color: rgb(49, 108, 181);
/* oklch */ color: oklch(52.9% 0.130 255.3);

Tailwind

colors: {
  custom: {
    50: '#7a95cb',
    500: '#316cb5',
    950: '#000000',
  },
}

SCSS

$custom: #316cb5;
$custom-light: #7a95cb;
$custom-dark: #000000;

JSON

{
  "hex": "#316cb5",
  "rgb": {
    "r": 49,
    "g": 108,
    "b": 181
  },
  "hsl": {
    "h": 213.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52929,
    "c": 0.13049,
    "h": 255.3
  },
  "luminance": 0.14714
}

Semantic roles & 50–950 ramp

primary

#316CB5

secondary

#C7A57B

accent

#9C47E1

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316CB5

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

Preview Lab → · Contrast checker → · Palette generator →