#537DA8#537DA8

#537DA8 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.7% C 0.081 H 250.0°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#537DA8
RGB	rgb(83, 125, 168)
HSL	hsl(210, 34%, 49%)
HSV	hsv(210, 51%, 66%)
CMYK	cmyk(50.6%, 25.6%, 0%, 34.1%)
CIE-LAB	lab(51.07, -2.16, -27.38)
CIE-LCH	lch(51.07, 27.47, 265.50°)
OKLab	oklab(57.69% -0.0279 -0.0766)
OKLCH	oklch(57.69% 0.081 250)
XYZ	xyz(17.9663, 19.3321, 39.8229)
Luminance	0.1933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DA8 #A87E53

analogous

#53A8A8 #537DA8 #5453A8

triadic

#537DA8 #A8537D #7DA853

tetradic

#537DA8 #A853A8 #A87E53 #53A854

square

#537DA8 #A853A8 #A87E53 #53A854

split-complementary

#537DA8 #A85453 #A8A853

monochromatic

#2B4056 #3F5F7F #537DA8 #7B9CBE #A4BAD2

Accessibility & contrast

On white

4.32

#537DA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#537DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DA8

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DA8	#FFFFFF	#000000	##000000
##537DA8	1.00	4.32	4.87	4.87
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7EAA

Deuteranopia (green-blind)

#6176A7

Tritanopia (blue-blind)

#2A878C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537da8;
/* rgb */ color: rgb(83, 125, 168);
/* oklch */ color: oklch(57.7% 0.081 250.0);

Tailwind

colors: {
  custom: {
    50: '#88a2c2',
    500: '#537da8',
    950: '#000000',
  },
}

SCSS

$custom: #537da8;
$custom-light: #88a2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#537da8",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 168
  },
  "hsl": {
    "h": 210.353,
    "s": 33.865,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57695,
    "c": 0.08149,
    "h": 250
  },
  "luminance": 0.19333
}

Semantic roles & 50–950 ramp

primary

#537DA8

secondary

#BFAC98

accent

#955ECA

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #537DA8

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

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