#317C8B#317C8B

#317C8B is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.6% C 0.076 H 213.1°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#317C8B
RGB	rgb(49, 124, 139)
HSL	hsl(190, 48%, 37%)
HSV	hsv(190, 65%, 55%)
CMYK	cmyk(64.7%, 10.8%, 0%, 45.5%)
CIE-LAB	lab(48.17, -18.12, -15.00)
CIE-LCH	lch(48.17, 23.52, 219.62°)
OKLab	oklab(54.61% -0.0639 -0.0417)
OKLCH	oklch(54.61% 0.076 213.1)
XYZ	xyz(13.1326, 16.9310, 26.9970)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317C8B #8B4031

analogous

#318B6D #317C8B #314F8B

triadic

#317C8B #8B317C #7C8B31

tetradic

#317C8B #6D318B #8B4031 #4F8B31

square

#317C8B #6D318B #8B4031 #4F8B31

split-complementary

#317C8B #8B314F #8B6D31

monochromatic

#112B31 #21545E #317C8B #41A4B8 #6BBBCB

Accessibility & contrast

On white

4.79

#317C8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#317C8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #317C8B

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317C8B	#FFFFFF	#000000	##FFFFFF
##317C8B	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788C

Deuteranopia (green-blind)

#636E8B

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #317c8b;
/* rgb */ color: rgb(49, 124, 139);
/* oklch */ color: oklch(54.6% 0.076 213.1);

Tailwind

colors: {
  custom: {
    50: '#74a2ac',
    500: '#317c8b',
    950: '#000000',
  },
}

SCSS

$custom: #317c8b;
$custom-light: #74a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#317c8b",
  "rgb": {
    "r": 49,
    "g": 124,
    "b": 139
  },
  "hsl": {
    "h": 190,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.54611,
    "c": 0.07631,
    "h": 213.1
  },
  "luminance": 0.16932
}

Semantic roles & 50–950 ramp

primary

#317C8B

secondary

#B27265

accent

#6750D7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #317C8B

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

Preview Lab → · Contrast checker → · Palette generator →