#317BC9#317BC9

#317BC9 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.6% C 0.141 H 252.6°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#317BC9
RGB	rgb(49, 123, 201)
HSL	hsl(211, 61%, 49%)
HSV	hsv(211, 76%, 79%)
CMYK	cmyk(75.6%, 38.8%, 0%, 21.2%)
CIE-LAB	lab(50.73, 4.16, -47.01)
CIE-LCH	lch(50.73, 47.19, 275.06°)
OKLab	oklab(57.57% -0.0421 -0.1341)
OKLCH	oklch(57.57% 0.141 252.6)
XYZ	xyz(18.8882, 19.0337, 57.9254)
Luminance	0.1904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317BC9 #C97F31

analogous

#31C7C9 #317BC9 #3331C9

triadic

#317BC9 #C9317B #7BC931

tetradic

#317BC9 #C931C7 #C97F31 #31C933

square

#317BC9 #C931C7 #C97F31 #31C933

split-complementary

#317BC9 #C93331 #C7C931

monochromatic

#193F67 #255D98 #317BC9 #5F9AD8 #90B9E4

Accessibility & contrast

On white

4.37

#317BC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#317BC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317BC9

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317BC9	#FFFFFF	#000000	##000000
##317BC9	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5680CC

Deuteranopia (green-blind)

#3E72C7

Tritanopia (blue-blind)

#008D98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #317bc9;
/* rgb */ color: rgb(49, 123, 201);
/* oklch */ color: oklch(57.6% 0.141 252.6);

Tailwind

colors: {
  custom: {
    50: '#7ea0da',
    500: '#317bc9',
    950: '#000000',
  },
}

SCSS

$custom: #317bc9;
$custom-light: #7ea0da;
$custom-dark: #000000;

JSON

{
  "hex": "#317bc9",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 201
  },
  "hsl": {
    "h": 210.789,
    "s": 60.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57572,
    "c": 0.14059,
    "h": 252.6
  },
  "luminance": 0.19036
}

Semantic roles & 50–950 ramp

primary

#317BC9

secondary

#CFAC87

accent

#9644E4

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #317BC9

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

Preview Lab → · Contrast checker → · Palette generator →