#317B8A#317B8A

#317B8A is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 54.3% C 0.076 H 213.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#317B8A
RGB	rgb(49, 123, 138)
HSL	hsl(190, 48%, 37%)
HSV	hsv(190, 64%, 54%)
CMYK	cmyk(64.5%, 10.9%, 0%, 45.9%)
CIE-LAB	lab(47.82, -17.90, -14.95)
CIE-LCH	lch(47.82, 23.32, 219.88°)
OKLab	oklab(54.32% -0.0632 -0.0415)
OKLCH	oklch(54.32% 0.076 213.3)
XYZ	xyz(12.9351, 16.6525, 26.5724)
Luminance	0.1665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#317B8A #8A4031

analogous

#318A6D #317B8A #314F8A

triadic

#317B8A #8A317B #7B8A31

tetradic

#317B8A #6D318A #8A4031 #4F8A31

square

#317B8A #6D318A #8A4031 #4F8A31

split-complementary

#317B8A #8A314F #8A6D31

monochromatic

#112A30 #21535D #317B8A #41A3B7 #6BBACA

Accessibility & contrast

On white

4.85

#317B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#317B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #317B8A

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##317B8A	#FFFFFF	#000000	##FFFFFF
##317B8A	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70778B

Deuteranopia (green-blind)

#636D8A

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #317b8a;
/* rgb */ color: rgb(49, 123, 138);
/* oklch */ color: oklch(54.3% 0.076 213.3);

Tailwind

colors: {
  custom: {
    50: '#74a1ac',
    500: '#317b8a',
    950: '#000000',
  },
}

SCSS

$custom: #317b8a;
$custom-light: #74a1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#317b8a",
  "rgb": {
    "r": 49,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 190.112,
    "s": 47.594,
    "l": 36.667
  },
  "oklch": {
    "l": 0.54315,
    "c": 0.07565,
    "h": 213.3
  },
  "luminance": 0.16654
}

Semantic roles & 50–950 ramp

primary

#317B8A

secondary

#B27265

accent

#6751D7

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #317B8A

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

Preview Lab → · Contrast checker → · Palette generator →