#537DA9#537DA9

#537DA9 is a mid, moderate cyan. Relative luminance 0.194; OKLCH L 57.7% C 0.083 H 250.5°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#537DA9
RGB	rgb(83, 125, 169)
HSL	hsl(211, 34%, 49%)
HSV	hsv(211, 51%, 66%)
CMYK	cmyk(50.9%, 26%, 0%, 33.7%)
CIE-LAB	lab(51.12, -1.85, -27.90)
CIE-LCH	lch(51.12, 27.96, 266.21°)
OKLab	oklab(57.74% -0.0276 -0.078)
OKLCH	oklch(57.74% 0.083 250.5)
XYZ	xyz(18.0598, 19.3695, 40.3154)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DA9 #A97F53

analogous

#53A8A9 #537DA9 #5453A9

triadic

#537DA9 #A9537D #7DA953

tetradic

#537DA9 #A953A8 #A97F53 #53A954

square

#537DA9 #A953A8 #A97F53 #53A954

split-complementary

#537DA9 #A95453 #A8A953

monochromatic

#2B4057 #3F5F80 #537DA9 #7B9CBE #A4BBD2

Accessibility & contrast

On white

4.31

#537DA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#537DA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DA9

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DA9	#FFFFFF	#000000	##000000
##537DA9	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7FAB

Deuteranopia (green-blind)

#6076A8

Tritanopia (blue-blind)

#29878C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537da9;
/* rgb */ color: rgb(83, 125, 169);
/* oklch */ color: oklch(57.7% 0.083 250.5);

Tailwind

colors: {
  custom: {
    50: '#88a2c2',
    500: '#537da9',
    950: '#000000',
  },
}

SCSS

$custom: #537da9;
$custom-light: #88a2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#537da9",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 169
  },
  "hsl": {
    "h": 210.698,
    "s": 34.127,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57743,
    "c": 0.08276,
    "h": 250.5
  },
  "luminance": 0.19371
}

Semantic roles & 50–950 ramp

primary

#537DA9

secondary

#C0AC98

accent

#955ECA

background

#F8F9FB

surface

#F0F2F7

border

#CBCCD0

text

#0C0F12

muted

#7D7E81

Preview Lab

Preview with #537DA9

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

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