#316DA9#316DA9

#316DA9 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.4% C 0.114 H 250.9°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#316DA9
RGB	rgb(49, 109, 169)
HSL	hsl(210, 55%, 43%)
HSV	hsv(210, 71%, 66%)
CMYK	cmyk(71%, 35.5%, 0%, 33.7%)
CIE-LAB	lab(44.88, 0.99, -37.78)
CIE-LCH	lch(44.88, 37.80, 271.51°)
OKLab	oklab(52.43% -0.0372 -0.1073)
OKLCH	oklch(52.43% 0.114 250.9)
XYZ	xyz(13.8940, 14.4533, 39.5860)
Luminance	0.1446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#316DA9 #A96D31

analogous

#31A9A9 #316DA9 #3131A9

triadic

#316DA9 #A9316D #6DA931

tetradic

#316DA9 #A931A9 #A96D31 #31A931

square

#316DA9 #A931A9 #A96D31 #31A931

split-complementary

#316DA9 #A93131 #A9A931

monochromatic

#15304A #234E7A #316DA9 #4C8CCB #7CAAD9

Accessibility & contrast

On white

5.40

#316DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#316DA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #316DA9

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##316DA9	#FFFFFF	#000000	##FFFFFF
##316DA9	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5270AC

Deuteranopia (green-blind)

#4165A8

Tritanopia (blue-blind)

#007B83

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #316da9;
/* rgb */ color: rgb(49, 109, 169);
/* oklch */ color: oklch(52.4% 0.114 250.9);

Tailwind

colors: {
  custom: {
    50: '#7896c3',
    500: '#316da9',
    950: '#000000',
  },
}

SCSS

$custom: #316da9;
$custom-light: #7896c3;
$custom-dark: #000000;

JSON

{
  "hex": "#316da9",
  "rgb": {
    "r": 49,
    "g": 109,
    "b": 169
  },
  "hsl": {
    "h": 210,
    "s": 55.046,
    "l": 42.745
  },
  "oklch": {
    "l": 0.52432,
    "c": 0.11358,
    "h": 250.9
  },
  "luminance": 0.14455
}

Semantic roles & 50–950 ramp

primary

#316DA9

secondary

#C19B74

accent

#9449DE

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #316DA9

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

Preview Lab → · Contrast checker → · Palette generator →