#537F9C#537F9C

#537F9C is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.6% C 0.066 H 238.3°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#537F9C
RGB	rgb(83, 127, 156)
HSL	hsl(204, 31%, 47%)
HSV	hsv(204, 47%, 61%)
CMYK	cmyk(46.8%, 18.6%, 0%, 38.8%)
CIE-LAB	lab(51.17, -6.96, -20.26)
CIE-LCH	lch(51.17, 21.42, 251.03°)
OKLab	oklab(57.61% -0.0346 -0.0562)
OKLCH	oklch(57.61% 0.066 238.3)
XYZ	xyz(17.1553, 19.4168, 34.2899)
Luminance	0.1942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537F9C #9C7053

analogous

#539C95 #537F9C #535A9C

triadic

#537F9C #9C537F #7F9C53

tetradic

#537F9C #95539C #9C7053 #5A9C53

square

#537F9C #95539C #9C7053 #5A9C53

split-complementary

#537F9C #9C535A #9C9553

monochromatic

#283E4C #3E5E74 #537F9C #769DB6 #9EB9CB

Accessibility & contrast

On white

4.30

#537F9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#537F9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537F9C

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537F9C	#FFFFFF	#000000	##000000
##537F9C	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727E9D

Deuteranopia (green-blind)

#68769C

Tritanopia (blue-blind)

#338688

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537f9c;
/* rgb */ color: rgb(83, 127, 156);
/* oklch */ color: oklch(57.6% 0.066 238.3);

Tailwind

colors: {
  custom: {
    50: '#87a4b9',
    500: '#537f9c',
    950: '#000000',
  },
}

SCSS

$custom: #537f9c;
$custom-light: #87a4b9;
$custom-dark: #000000;

JSON

{
  "hex": "#537f9c",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 156
  },
  "hsl": {
    "h": 203.836,
    "s": 30.544,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57609,
    "c": 0.06601,
    "h": 238.3
  },
  "luminance": 0.19418
}

Semantic roles & 50–950 ramp

primary

#537F9C

secondary

#B9A192

accent

#8961C7

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C0F11

muted

#7D7F80

Preview Lab

Preview with #537F9C

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

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