#316DB1#316DB1

#316DB1 is a mid, vivid cyan. Relative luminance 0.148; OKLCH L 52.9% C 0.124 H 253.6°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#316DB1
RGB	rgb(49, 109, 177)
HSL	hsl(212, 57%, 44%)
HSV	hsv(212, 72%, 69%)
CMYK	cmyk(72.3%, 38.4%, 0%, 30.6%)
CIE-LAB	lab(45.31, 3.94, -41.78)
CIE-LCH	lch(45.31, 41.97, 275.38°)
OKLab	oklab(52.91% -0.0351 -0.119)
OKLCH	oklch(52.91% 0.124 253.6)
XYZ	xyz(14.6681, 14.7630, 43.6629)
Luminance	0.1477 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316DB1 #B17531

analogous

#31ADB1 #316DB1 #3531B1

triadic

#316DB1 #B1316D #6DB131

tetradic

#316DB1 #B131AD #B17531 #31B135

square

#316DB1 #B131AD #B17531 #31B135

split-complementary

#316DB1 #B13531 #ADB131

monochromatic

#163251 #244F81 #316DB1 #518CCF #80ABDC

Accessibility & contrast

On white

5.31

#316DB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#316DB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316DB1

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316DB1	#FFFFFF	#000000	##FFFFFF
##316DB1	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E72B4

Deuteranopia (green-blind)

#3A66B0

Tritanopia (blue-blind)

#007D86

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #316db1;
/* rgb */ color: rgb(49, 109, 177);
/* oklch */ color: oklch(52.9% 0.124 253.6);

Tailwind

colors: {
  custom: {
    50: '#7996c9',
    500: '#316db1',
    950: '#000000',
  },
}

SCSS

$custom: #316db1;
$custom-light: #7996c9;
$custom-dark: #000000;

JSON

{
  "hex": "#316db1",
  "rgb": {
    "r": 49,
    "g": 109,
    "b": 177
  },
  "hsl": {
    "h": 211.875,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52911,
    "c": 0.12408,
    "h": 253.6
  },
  "luminance": 0.14765
}

Semantic roles & 50–950 ramp

primary

#316DB1

secondary

#C5A179

accent

#9948E0

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #316DB1

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

Preview Lab → · Contrast checker → · Palette generator →