#537FB8#537FB8

#537FB8 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 59.0% C 0.101 H 255.4°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#537FB8
RGB	rgb(83, 127, 184)
HSL	hsl(214, 42%, 52%)
HSV	hsv(214, 55%, 72%)
CMYK	cmyk(54.9%, 31%, 0%, 27.8%)
CIE-LAB	lab(52.37, 1.72, -34.59)
CIE-LCH	lch(52.37, 34.63, 272.85°)
OKLab	oklab(58.95% -0.0254 -0.0974)
OKLCH	oklch(58.95% 0.101 255.4)
XYZ	xyz(19.8054, 20.4769, 48.2469)
Luminance	0.2048 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FB8 #B88C53

analogous

#53B2B8 #537FB8 #5953B8

triadic

#537FB8 #B8537F #7FB853

tetradic

#537FB8 #B853B2 #B88C53 #53B859

square

#537FB8 #B853B2 #B88C53 #53B859

split-complementary

#537FB8 #B85953 #B2B853

monochromatic

#2A4466 #3C6192 #537FB8 #7E9FCA #AABFDC

Accessibility & contrast

On white

4.12

#537FB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#537FB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FB8

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FB8	#FFFFFF	#000000	##000000
##537FB8	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6882BA

Deuteranopia (green-blind)

#5B79B7

Tritanopia (blue-blind)

#138C93

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537fb8;
/* rgb */ color: rgb(83, 127, 184);
/* oklch */ color: oklch(59.0% 0.101 255.4);

Tailwind

colors: {
  custom: {
    50: '#8aa3cd',
    500: '#537fb8',
    950: '#000000',
  },
}

SCSS

$custom: #537fb8;
$custom-light: #8aa3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#537fb8",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 184
  },
  "hsl": {
    "h": 213.861,
    "s": 41.564,
    "l": 52.353
  },
  "oklch": {
    "l": 0.5895,
    "c": 0.10061,
    "h": 255.4
  },
  "luminance": 0.20478
}

Semantic roles & 50–950 ramp

primary

#537FB8

secondary

#C9B69D

accent

#9C56D1

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537FB8

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

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