#317FA3#317FA3

#317FA3 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.4% C 0.093 H 231.9°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#317FA3
RGB	rgb(49, 127, 163)
HSL	hsl(199, 54%, 42%)
HSV	hsv(199, 70%, 64%)
CMYK	cmyk(69.9%, 22.1%, 0%, 36.1%)
CIE-LAB	lab(50.07, -11.81, -26.15)
CIE-LCH	lch(50.07, 28.69, 245.70°)
OKLab	oklab(56.44% -0.0576 -0.0734)
OKLCH	oklch(56.44% 0.093 231.9)
XYZ	xyz(15.4642, 18.4743, 37.3941)
Luminance	0.1848 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317FA3 #A35531

analogous

#31A38E #317FA3 #3146A3

triadic

#317FA3 #A3317F #7FA331

tetradic

#317FA3 #8E31A3 #A35531 #46A331

square

#317FA3 #8E31A3 #A35531 #46A331

split-complementary

#317FA3 #A33146 #A38E31

monochromatic

#153645 #235A74 #317FA3 #49A0C8 #78B9D6

Accessibility & contrast

On white

4.47

#317FA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#317FA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317FA3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317FA3	#FFFFFF	#000000	##000000
##317FA3	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA5

Deuteranopia (green-blind)

#5D72A2

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #317fa3;
/* rgb */ color: rgb(49, 127, 163);
/* oklch */ color: oklch(56.4% 0.093 231.9);

Tailwind

colors: {
  custom: {
    50: '#77a4be',
    500: '#317fa3',
    950: '#000000',
  },
}

SCSS

$custom: #317fa3;
$custom-light: #77a4be;
$custom-dark: #000000;

JSON

{
  "hex": "#317fa3",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 163
  },
  "hsl": {
    "h": 198.947,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.56443,
    "c": 0.09331,
    "h": 231.9
  },
  "luminance": 0.18476
}

Semantic roles & 50–950 ramp

primary

#317FA3

secondary

#BF8A71

accent

#794BDD

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #317FA3

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

Preview Lab → · Contrast checker → · Palette generator →