#317D9F#317D9F

#317D9F is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.8% C 0.090 H 230.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#317D9F
RGB	rgb(49, 125, 159)
HSL	hsl(199, 53%, 41%)
HSV	hsv(199, 69%, 62%)
CMYK	cmyk(69.2%, 21.4%, 0%, 37.6%)
CIE-LAB	lab(49.28, -12.04, -25.04)
CIE-LCH	lch(49.28, 27.79, 244.31°)
OKLab	oklab(55.76% -0.057 -0.0702)
OKLCH	oklch(55.76% 0.09 230.9)
XYZ	xyz(14.8558, 17.8218, 35.4512)
Luminance	0.1782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317D9F #9F5331

analogous

#319F8A #317D9F #31469F

triadic

#317D9F #9F317D #7D9F31

tetradic

#317D9F #8A319F #9F5331 #469F31

square

#317D9F #8A319F #9F5331 #469F31

split-complementary

#317D9F #9F3146 #9F8A31

monochromatic

#143341 #235870 #317D9F #479FC6 #76B7D5

Accessibility & contrast

On white

4.60

#317D9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#317D9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #317D9F

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317D9F	#FFFFFF	#000000	##FFFFFF
##317D9F	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7BA1

Deuteranopia (green-blind)

#5D709F

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #317d9f;
/* rgb */ color: rgb(49, 125, 159);
/* oklch */ color: oklch(55.8% 0.090 230.9);

Tailwind

colors: {
  custom: {
    50: '#77a2bb',
    500: '#317d9f',
    950: '#000000',
  },
}

SCSS

$custom: #317d9f;
$custom-light: #77a2bb;
$custom-dark: #000000;

JSON

{
  "hex": "#317d9f",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 159
  },
  "hsl": {
    "h": 198.545,
    "s": 52.885,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55759,
    "c": 0.09043,
    "h": 230.9
  },
  "luminance": 0.17823
}

Semantic roles & 50–950 ramp

primary

#317D9F

secondary

#BD876F

accent

#784CDC

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #317D9F

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

Preview Lab → · Contrast checker → · Palette generator →