#317E9F#317E9F

#317E9F is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.090 H 229.8°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#317E9F
RGB	rgb(49, 126, 159)
HSL	hsl(198, 53%, 41%)
HSV	hsv(198, 69%, 62%)
CMYK	cmyk(69.2%, 20.8%, 0%, 37.6%)
CIE-LAB	lab(49.59, -12.61, -24.56)
CIE-LCH	lch(49.59, 27.61, 242.82°)
OKLab	oklab(56.01% -0.0581 -0.0688)
OKLCH	oklch(56.01% 0.09 229.8)
XYZ	xyz(14.9830, 18.0762, 35.4936)
Luminance	0.1808 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317E9F #9F5231

analogous

#319F89 #317E9F #31479F

triadic

#317E9F #9F317E #7E9F31

tetradic

#317E9F #89319F #9F5231 #479F31

square

#317E9F #89319F #9F5231 #479F31

split-complementary

#317E9F #9F3147 #9F8931

monochromatic

#143441 #235970 #317E9F #47A0C6 #76B8D5

Accessibility & contrast

On white

4.55

#317E9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#317E9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #317E9F

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317E9F	#FFFFFF	#000000	##000000
##317E9F	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7CA1

Deuteranopia (green-blind)

#5E719F

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #317e9f;
/* rgb */ color: rgb(49, 126, 159);
/* oklch */ color: oklch(56.0% 0.090 229.8);

Tailwind

colors: {
  custom: {
    50: '#77a3bb',
    500: '#317e9f',
    950: '#000000',
  },
}

SCSS

$custom: #317e9f;
$custom-light: #77a3bb;
$custom-dark: #000000;

JSON

{
  "hex": "#317e9f",
  "rgb": {
    "r": 49,
    "g": 126,
    "b": 159
  },
  "hsl": {
    "h": 198,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.56006,
    "c": 0.09004,
    "h": 229.8
  },
  "luminance": 0.18078
}

Semantic roles & 50–950 ramp

primary

#317E9F

secondary

#BD866F

accent

#774CDC

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #317E9F

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

Preview Lab → · Contrast checker → · Palette generator →