#537FB3#537FB3

#537FB3 is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.094 H 253.4°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#537FB3
RGB	rgb(83, 127, 179)
HSL	hsl(213, 39%, 51%)
HSV	hsv(213, 54%, 70%)
CMYK	cmyk(53.6%, 29.1%, 0%, 29.8%)
CIE-LAB	lab(52.14, 0.12, -32.08)
CIE-LCH	lch(52.14, 32.08, 270.21°)
OKLab	oklab(58.69% -0.0269 -0.0901)
OKLCH	oklch(58.69% 0.094 253.4)
XYZ	xyz(19.2905, 20.2709, 45.5352)
Luminance	0.2027 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FB3 #B38753

analogous

#53AFB3 #537FB3 #5753B3

triadic

#537FB3 #B3537F #7FB353

tetradic

#537FB3 #B353AF #B38753 #53B357

square

#537FB3 #B353AF #B38753 #53B357

split-complementary

#537FB3 #B35753 #AFB353

monochromatic

#2B4461 #3E618B #537FB3 #7D9FC6 #A8BED9

Accessibility & contrast

On white

4.15

#537FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#537FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FB3

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FB3	#FFFFFF	#000000	##000000
##537FB3	1.00	4.15	5.05	5.05
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A82B5

Deuteranopia (green-blind)

#5E78B2

Tritanopia (blue-blind)

#1C8B91

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537fb3;
/* rgb */ color: rgb(83, 127, 179);
/* oklch */ color: oklch(58.7% 0.094 253.4);

Tailwind

colors: {
  custom: {
    50: '#8aa3ca',
    500: '#537fb3',
    950: '#000000',
  },
}

SCSS

$custom: #537fb3;
$custom-light: #8aa3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#537fb3",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 179
  },
  "hsl": {
    "h": 212.5,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58694,
    "c": 0.094,
    "h": 253.4
  },
  "luminance": 0.20272
}

Semantic roles & 50–950 ramp

primary

#537FB3

secondary

#C6B39C

accent

#9959CF

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537FB3

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

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