#537CA3#537CA3

#537CA3 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.2% C 0.076 H 248.1°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#537CA3
RGB	rgb(83, 124, 163)
HSL	hsl(209, 33%, 48%)
HSV	hsv(209, 49%, 64%)
CMYK	cmyk(49.1%, 23.9%, 0%, 36.1%)
CIE-LAB	lab(50.57, -3.11, -25.26)
CIE-LCH	lch(50.57, 25.46, 262.98°)
OKLab	oklab(57.23% -0.0284 -0.0705)
OKLCH	oklch(57.23% 0.076 248.1)
XYZ	xyz(17.3835, 18.8974, 37.3748)
Luminance	0.1890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CA3 #A37A53

analogous

#53A3A2 #537CA3 #5354A3

triadic

#537CA3 #A3537C #7CA353

tetradic

#537CA3 #A253A3 #A37A53 #54A353

square

#537CA3 #A253A3 #A37A53 #54A353

split-complementary

#537CA3 #A35354 #A3A253

monochromatic

#2A3E52 #3E5D7A #537CA3 #799ABB #A1B9CF

Accessibility & contrast

On white

4.39

#537CA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#537CA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CA3

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CA3	#FFFFFF	#000000	##000000
##537CA3	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7DA5

Deuteranopia (green-blind)

#6275A2

Tritanopia (blue-blind)

#2E8589

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #537ca3;
/* rgb */ color: rgb(83, 124, 163);
/* oklch */ color: oklch(57.2% 0.076 248.1);

Tailwind

colors: {
  custom: {
    50: '#88a1be',
    500: '#537ca3',
    950: '#000000',
  },
}

SCSS

$custom: #537ca3;
$custom-light: #88a1be;
$custom-dark: #000000;

JSON

{
  "hex": "#537ca3",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 163
  },
  "hsl": {
    "h": 209.25,
    "s": 32.52,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57226,
    "c": 0.07597,
    "h": 248.1
  },
  "luminance": 0.18899
}

Semantic roles & 50–950 ramp

primary

#537CA3

secondary

#BCA895

accent

#935FC9

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #537CA3

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

Preview Lab → · Contrast checker → · Palette generator →