#316FB2#316FB2

#316FB2 is a mid, vivid cyan. Relative luminance 0.152; OKLCH L 53.4% C 0.123 H 252.7°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#316FB2
RGB	rgb(49, 111, 178)
HSL	hsl(211, 57%, 45%)
HSV	hsv(211, 72%, 70%)
CMYK	cmyk(72.5%, 37.6%, 0%, 30.2%)
CIE-LAB	lab(45.95, 3.06, -41.34)
CIE-LCH	lch(45.95, 41.45, 274.24°)
OKLab	oklab(53.43% -0.0368 -0.1177)
OKLCH	oklch(53.43% 0.123 252.7)
XYZ	xyz(14.9840, 15.2346, 44.2617)
Luminance	0.1524 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316FB2 #B27431

analogous

#31B0B2 #316FB2 #3431B2

triadic

#316FB2 #B2316F #6FB231

tetradic

#316FB2 #B231B0 #B27431 #31B234

square

#316FB2 #B231B0 #B27431 #31B234

split-complementary

#316FB2 #B23431 #B0B231

monochromatic

#173352 #245182 #316FB2 #518ECF #81ADDC

Accessibility & contrast

On white

5.19

#316FB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#316FB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316FB2

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316FB2	#FFFFFF	#000000	##FFFFFF
##316FB2	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5073B5

Deuteranopia (green-blind)

#3D67B1

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #316fb2;
/* rgb */ color: rgb(49, 111, 178);
/* oklch */ color: oklch(53.4% 0.123 252.7);

Tailwind

colors: {
  custom: {
    50: '#7997c9',
    500: '#316fb2',
    950: '#000000',
  },
}

SCSS

$custom: #316fb2;
$custom-light: #7997c9;
$custom-dark: #000000;

JSON

{
  "hex": "#316fb2",
  "rgb": {
    "r": 49,
    "g": 111,
    "b": 178
  },
  "hsl": {
    "h": 211.163,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53433,
    "c": 0.1233,
    "h": 252.7
  },
  "luminance": 0.15236
}

Semantic roles & 50–950 ramp

primary

#316FB2

secondary

#C5A179

accent

#9748E0

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316FB2

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

Preview Lab → · Contrast checker → · Palette generator →