#317F9F#317F9F

#317F9F is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.3% C 0.090 H 228.8°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#317F9F
RGB	rgb(49, 127, 159)
HSL	hsl(197, 53%, 41%)
HSV	hsv(197, 69%, 62%)
CMYK	cmyk(69.2%, 20.1%, 0%, 37.6%)
CIE-LAB	lab(49.90, -13.17, -24.08)
CIE-LCH	lch(49.90, 27.45, 241.32°)
OKLab	oklab(56.25% -0.0591 -0.0674)
OKLCH	oklch(56.25% 0.09 228.8)
XYZ	xyz(15.1115, 18.3333, 35.5364)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317F9F #9F5131

analogous

#319F88 #317F9F #31489F

triadic

#317F9F #9F317F #7F9F31

tetradic

#317F9F #88319F #9F5131 #489F31

square

#317F9F #88319F #9F5131 #489F31

split-complementary

#317F9F #9F3148 #9F8831

monochromatic

#143441 #235A70 #317F9F #47A1C6 #76B9D5

Accessibility & contrast

On white

4.50

#317F9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#317F9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317F9F

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317F9F	#FFFFFF	#000000	##000000
##317F9F	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA1

Deuteranopia (green-blind)

#5F729F

Tritanopia (blue-blind)

#00888A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #317f9f;
/* rgb */ color: rgb(49, 127, 159);
/* oklch */ color: oklch(56.3% 0.090 228.8);

Tailwind

colors: {
  custom: {
    50: '#77a4bb',
    500: '#317f9f',
    950: '#000000',
  },
}

SCSS

$custom: #317f9f;
$custom-light: #77a4bb;
$custom-dark: #000000;

JSON

{
  "hex": "#317f9f",
  "rgb": {
    "r": 49,
    "g": 127,
    "b": 159
  },
  "hsl": {
    "h": 197.455,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.56253,
    "c": 0.08969,
    "h": 228.8
  },
  "luminance": 0.18335
}

Semantic roles & 50–950 ramp

primary

#317F9F

secondary

#BD866F

accent

#764CDC

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #317F9F

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

Preview Lab → · Contrast checker → · Palette generator →