#317FA5#317FA5

#317FA5 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.5% C 0.095 H 233.3°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#317FA5
RGB	rgb(49, 127, 165)
HSL	hsl(200, 54%, 42%)
HSV	hsv(200, 70%, 65%)
CMYK	cmyk(70.3%, 23%, 0%, 35.3%)
CIE-LAB	lab(50.15, -11.12, -27.18)
CIE-LCH	lch(50.15, 29.37, 247.75°)
OKLab	oklab(56.54% -0.0569 -0.0763)
OKLCH	oklch(56.54% 0.095 233.3)
XYZ	xyz(15.6448, 18.5466, 38.3453)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317FA5 #A55731

analogous

#31A591 #317FA5 #3145A5

triadic

#317FA5 #A5317F #7FA531

tetradic

#317FA5 #9131A5 #A55731 #45A531

square

#317FA5 #9131A5 #A55731 #45A531

split-complementary

#317FA5 #A53145 #A59131

monochromatic

#153647 #235B76 #317FA5 #4AA0C9 #79B8D7

Accessibility & contrast

On white

4.46

#317FA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#317FA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317FA5

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317FA5	#FFFFFF	#000000	##000000
##317FA5	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7EA7

Deuteranopia (green-blind)

#5C72A4

Tritanopia (blue-blind)

#00898C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #317fa5;
/* rgb */ color: rgb(49, 127, 165);
/* oklch */ color: oklch(56.5% 0.095 233.3);

Tailwind

colors: {
  custom: {
    50: '#78a4c0',
    500: '#317fa5',
    950: '#000000',
  },
}

SCSS

$custom: #317fa5;
$custom-light: #78a4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#317fa5",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 165
  },
  "hsl": {
    "h": 199.655,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5654,
    "c": 0.09521,
    "h": 233.3
  },
  "luminance": 0.18548
}

Semantic roles & 50–950 ramp

primary

#317FA5

secondary

#C08C72

accent

#7A4ADE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #317FA5

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

Preview Lab → · Contrast checker → · Palette generator →