#317D8B#317D8B

#317D8B is a mid, moderate teal. Relative luminance 0.172; OKLCH L 54.9% C 0.077 H 211.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#317D8B
RGB	rgb(49, 125, 139)
HSL	hsl(189, 48%, 37%)
HSV	hsv(189, 65%, 55%)
CMYK	cmyk(64.7%, 10.1%, 0%, 45.5%)
CIE-LAB	lab(48.49, -18.66, -14.52)
CIE-LCH	lch(48.49, 23.65, 217.89°)
OKLab	oklab(54.87% -0.0651 -0.0403)
OKLCH	oklch(54.87% 0.077 211.8)
XYZ	xyz(13.2585, 17.1829, 27.0390)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317D8B #8B3F31

analogous

#318B6C #317D8B #31508B

triadic

#317D8B #8B317D #7D8B31

tetradic

#317D8B #6C318B #8B3F31 #508B31

square

#317D8B #6C318B #8B3F31 #508B31

split-complementary

#317D8B #8B3150 #8B6C31

monochromatic

#112C31 #21545E #317D8B #41A6B8 #6BBCCB

Accessibility & contrast

On white

4.73

#317D8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#317D8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #317D8B

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317D8B	#FFFFFF	#000000	##FFFFFF
##317D8B	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72798C

Deuteranopia (green-blind)

#656F8B

Tritanopia (blue-blind)

#008381

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #317d8b;
/* rgb */ color: rgb(49, 125, 139);
/* oklch */ color: oklch(54.9% 0.077 211.8);

Tailwind

colors: {
  custom: {
    50: '#74a3ac',
    500: '#317d8b',
    950: '#000000',
  },
}

SCSS

$custom: #317d8b;
$custom-light: #74a3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#317d8b",
  "rgb": {
    "r": 49,
    "g": 125,
    "b": 139
  },
  "hsl": {
    "h": 189.333,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.54866,
    "c": 0.07654,
    "h": 211.8
  },
  "luminance": 0.17184
}

Semantic roles & 50–950 ramp

primary

#317D8B

secondary

#B27165

accent

#6550D7

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #317D8B

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

Preview Lab → · Contrast checker → · Palette generator →