#537FB9#537FB9

#537FB9 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 59.0% C 0.102 H 255.8°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#537FB9
RGB	rgb(83, 127, 185)
HSL	hsl(214, 42%, 53%)
HSV	hsv(214, 55%, 73%)
CMYK	cmyk(55.1%, 31.4%, 0%, 27.5%)
CIE-LAB	lab(52.42, 2.04, -35.09)
CIE-LCH	lch(52.42, 35.15, 273.33°)
OKLab	oklab(59% -0.0251 -0.0988)
OKLCH	oklch(59% 0.102 255.8)
XYZ	xyz(19.9106, 20.5189, 48.8009)
Luminance	0.2052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FB9 #B98D53

analogous

#53B2B9 #537FB9 #5A53B9

triadic

#537FB9 #B9537F #7FB953

tetradic

#537FB9 #B953B2 #B98D53 #53B95A

square

#537FB9 #B953B2 #B98D53 #53B95A

split-complementary

#537FB9 #B95A53 #B2B953

monochromatic

#2A4567 #3C6193 #537FB9 #7E9FCB #AAC0DC

Accessibility & contrast

On white

4.11

#537FB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#537FB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FB9

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FB9	#FFFFFF	#000000	##000000
##537FB9	1.00	4.11	5.10	5.10
#FFFFFF	4.11	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)

#6882BB

Deuteranopia (green-blind)

#5B79B8

Tritanopia (blue-blind)

#118C94

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #537fb9;
/* rgb */ color: rgb(83, 127, 185);
/* oklch */ color: oklch(59.0% 0.102 255.8);

Tailwind

colors: {
  custom: {
    50: '#8aa3ce',
    500: '#537fb9',
    950: '#000000',
  },
}

SCSS

$custom: #537fb9;
$custom-light: #8aa3ce;
$custom-dark: #000000;

JSON

{
  "hex": "#537fb9",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 185
  },
  "hsl": {
    "h": 214.118,
    "s": 42.149,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59002,
    "c": 0.10195,
    "h": 255.8
  },
  "luminance": 0.20521
}

Semantic roles & 50–950 ramp

primary

#537FB9

secondary

#CAB79E

accent

#9C56D2

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537FB9

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

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