#317F99#317F99

#317F99 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.085 H 223.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#317F99
RGB	rgb(49, 127, 153)
HSL	hsl(195, 51%, 40%)
HSV	hsv(195, 68%, 60%)
CMYK	cmyk(68%, 17%, 0%, 40%)
CIE-LAB	lab(49.65, -15.19, -20.96)
CIE-LCH	lch(49.65, 25.88, 234.07°)
OKLab	oklab(55.98% -0.0615 -0.0585)
OKLCH	oklch(55.98% 0.085 223.6)
XYZ	xyz(14.6034, 18.1300, 32.8606)
Luminance	0.1813 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317F99 #994B31

analogous

#31997F #317F99 #314B99

triadic

#317F99 #99317F #7F9931

tetradic

#317F99 #7F3199 #994B31 #4B9931

square

#317F99 #7F3199 #994B31 #4B9931

split-complementary

#317F99 #99314B #997F31

monochromatic

#13323C #22596B #317F99 #44A3C3 #72BAD2

Accessibility & contrast

On white

4.54

#317F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#317F99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317F99

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317F99	#FFFFFF	#000000	##000000
##317F99	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707C9A

Deuteranopia (green-blind)

#627199

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317f99;
/* rgb */ color: rgb(49, 127, 153);
/* oklch */ color: oklch(56.0% 0.085 223.6);

Tailwind

colors: {
  custom: {
    50: '#76a4b7',
    500: '#317f99',
    950: '#000000',
  },
}

SCSS

$custom: #317f99;
$custom-light: #76a4b7;
$custom-dark: #000000;

JSON

{
  "hex": "#317f99",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 153
  },
  "hsl": {
    "h": 195,
    "s": 51.485,
    "l": 39.608
  },
  "oklch": {
    "l": 0.55977,
    "c": 0.08486,
    "h": 223.6
  },
  "luminance": 0.18132
}

Semantic roles & 50–950 ramp

primary

#317F99

secondary

#BA7F6C

accent

#704DDB

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #317F99

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

Preview Lab → · Contrast checker → · Palette generator →