#317FAB#317FAB

#317FAB is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.8% C 0.101 H 237.3°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#317FAB
RGB	rgb(49, 127, 171)
HSL	hsl(202, 55%, 43%)
HSV	hsv(202, 71%, 67%)
CMYK	cmyk(71.3%, 25.7%, 0%, 32.9%)
CIE-LAB	lab(50.42, -9.04, -30.25)
CIE-LCH	lch(50.42, 31.57, 253.37°)
OKLab	oklab(56.84% -0.0548 -0.0852)
OKLCH	oklch(56.84% 0.101 237.3)
XYZ	xyz(16.2038, 18.7702, 41.2892)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317FAB #AB5D31

analogous

#31AB9A #317FAB #3142AB

triadic

#317FAB #AB317F #7FAB31

tetradic

#317FAB #9A31AB #AB5D31 #42AB31

square

#317FAB #9A31AB #AB5D31 #42AB31

split-complementary

#317FAB #AB3142 #AB9A31

monochromatic

#16384C #235C7B #317FAB #4D9ECC #7DB8DA

Accessibility & contrast

On white

4.42

#317FAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#317FAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317FAB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317FAB	#FFFFFF	#000000	##000000
##317FAB	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7FAD

Deuteranopia (green-blind)

#5A73AA

Tritanopia (blue-blind)

#008A8E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #317fab;
/* rgb */ color: rgb(49, 127, 171);
/* oklch */ color: oklch(56.8% 0.101 237.3);

Tailwind

colors: {
  custom: {
    50: '#79a4c4',
    500: '#317fab',
    950: '#000000',
  },
}

SCSS

$custom: #317fab;
$custom-light: #79a4c4;
$custom-dark: #000000;

JSON

{
  "hex": "#317fab",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 171
  },
  "hsl": {
    "h": 201.639,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.56838,
    "c": 0.10129,
    "h": 237.3
  },
  "luminance": 0.18772
}

Semantic roles & 50–950 ramp

primary

#317FAB

secondary

#C29175

accent

#7F49DF

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #317FAB

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

Preview Lab → · Contrast checker → · Palette generator →