#316DB2#316DB2

#316DB2 is a mid, vivid cyan. Relative luminance 0.148; OKLCH L 53.0% C 0.125 H 253.9°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#316DB2
RGB	rgb(49, 109, 178)
HSL	hsl(212, 57%, 45%)
HSV	hsv(212, 72%, 70%)
CMYK	cmyk(72.5%, 38.8%, 0%, 30.2%)
CIE-LAB	lab(45.36, 4.31, -42.28)
CIE-LCH	lch(45.36, 42.50, 275.82°)
OKLab	oklab(52.97% -0.0348 -0.1205)
OKLCH	oklch(52.97% 0.125 253.9)
XYZ	xyz(14.7682, 14.8030, 44.1898)
Luminance	0.1480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316DB2 #B27631

analogous

#31AEB2 #316DB2 #3631B2

triadic

#316DB2 #B2316D #6DB231

tetradic

#316DB2 #B231AE #B27631 #31B236

square

#316DB2 #B231AE #B27631 #31B236

split-complementary

#316DB2 #B23631 #AEB231

monochromatic

#173252 #245082 #316DB2 #518CCF #81ACDC

Accessibility & contrast

On white

5.30

#316DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#316DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316DB2

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316DB2	#FFFFFF	#000000	##FFFFFF
##316DB2	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B5

Deuteranopia (green-blind)

#3966B1

Tritanopia (blue-blind)

#007D87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #316db2;
/* rgb */ color: rgb(49, 109, 178);
/* oklch */ color: oklch(53.0% 0.125 253.9);

Tailwind

colors: {
  custom: {
    50: '#7996c9',
    500: '#316db2',
    950: '#000000',
  },
}

SCSS

$custom: #316db2;
$custom-light: #7996c9;
$custom-dark: #000000;

JSON

{
  "hex": "#316db2",
  "rgb": {
    "r": 49,
    "g": 109,
    "b": 178
  },
  "hsl": {
    "h": 212.093,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52972,
    "c": 0.12541,
    "h": 253.9
  },
  "luminance": 0.14805
}

Semantic roles & 50–950 ramp

primary

#316DB2

secondary

#C5A279

accent

#9948E0

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316DB2

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

Preview Lab → · Contrast checker → · Palette generator →