#537CB3#537CB3

#537CB3 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 58.0% C 0.097 H 256.1°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#537CB3
RGB	rgb(83, 124, 179)
HSL	hsl(214, 39%, 51%)
HSV	hsv(214, 54%, 70%)
CMYK	cmyk(53.6%, 30.7%, 0%, 29.8%)
CIE-LAB	lab(51.28, 1.90, -33.43)
CIE-LCH	lch(51.28, 33.49, 273.26°)
OKLab	oklab(58.02% -0.0233 -0.094)
OKLCH	oklch(58.02% 0.097 256.1)
XYZ	xyz(18.9088, 19.5075, 45.4080)
Luminance	0.1951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CB3 #B38A53

analogous

#53ACB3 #537CB3 #5A53B3

triadic

#537CB3 #B3537C #7CB353

tetradic

#537CB3 #B353AC #B38A53 #53B35A

square

#537CB3 #B353AC #B38A53 #53B35A

split-complementary

#537CB3 #B35A53 #ACB353

monochromatic

#2B4261 #3E5F8B #537CB3 #7D9CC6 #A8BDD9

Accessibility & contrast

On white

4.28

#537CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#537CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CB3

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CB3	#FFFFFF	#000000	##000000
##537CB3	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667FB5

Deuteranopia (green-blind)

#5A76B2

Tritanopia (blue-blind)

#1D888F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537cb3;
/* rgb */ color: rgb(83, 124, 179);
/* oklch */ color: oklch(58.0% 0.097 256.1);

Tailwind

colors: {
  custom: {
    50: '#8aa1ca',
    500: '#537cb3',
    950: '#000000',
  },
}

SCSS

$custom: #537cb3;
$custom-light: #8aa1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#537cb3",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 179
  },
  "hsl": {
    "h": 214.375,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58016,
    "c": 0.09686,
    "h": 256.1
  },
  "luminance": 0.19509
}

Semantic roles & 50–950 ramp

primary

#537CB3

secondary

#C6B49C

accent

#9C59CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0F13

muted

#7D7E82

Preview Lab

Preview with #537CB3

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

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