#537DA3#537DA3

#537DA3 is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 57.5% C 0.075 H 246.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#537DA3
RGB	rgb(83, 125, 163)
HSL	hsl(209, 33%, 48%)
HSV	hsv(209, 49%, 64%)
CMYK	cmyk(49.1%, 23.3%, 0%, 36.1%)
CIE-LAB	lab(50.86, -3.70, -24.81)
CIE-LCH	lch(50.86, 25.08, 261.53°)
OKLab	oklab(57.46% -0.0296 -0.0692)
OKLCH	oklch(57.46% 0.075 246.8)
XYZ	xyz(17.5095, 19.1493, 37.4167)
Luminance	0.1915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DA3 #A37953

analogous

#53A3A1 #537DA3 #5355A3

triadic

#537DA3 #A3537D #7DA353

tetradic

#537DA3 #A153A3 #A37953 #55A353

square

#537DA3 #A153A3 #A37953 #55A353

split-complementary

#537DA3 #A35355 #A3A153

monochromatic

#2A3F52 #3E5E7A #537DA3 #799BBB #A1B9CF

Accessibility & contrast

On white

4.35

#537DA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#537DA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DA3

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DA3	#FFFFFF	#000000	##000000
##537DA3	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA5

Deuteranopia (green-blind)

#6375A2

Tritanopia (blue-blind)

#2E868A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #537da3;
/* rgb */ color: rgb(83, 125, 163);
/* oklch */ color: oklch(57.5% 0.075 246.8);

Tailwind

colors: {
  custom: {
    50: '#88a2be',
    500: '#537da3',
    950: '#000000',
  },
}

SCSS

$custom: #537da3;
$custom-light: #88a2be;
$custom-dark: #000000;

JSON

{
  "hex": "#537da3",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 163
  },
  "hsl": {
    "h": 208.5,
    "s": 32.52,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57458,
    "c": 0.07524,
    "h": 246.8
  },
  "luminance": 0.19151
}

Semantic roles & 50–950 ramp

primary

#537DA3

secondary

#BCA895

accent

#915FC9

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #537DA3

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

Preview Lab → · Contrast checker → · Palette generator →