#537EA5#537EA5

#537EA5 is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.8% C 0.077 H 246.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#537EA5
RGB	rgb(83, 126, 165)
HSL	hsl(209, 33%, 49%)
HSV	hsv(209, 50%, 65%)
CMYK	cmyk(49.7%, 23.6%, 0%, 35.3%)
CIE-LAB	lab(51.24, -3.67, -25.39)
CIE-LCH	lch(51.24, 25.65, 261.78°)
OKLab	oklab(57.78% -0.0302 -0.0708)
OKLCH	oklch(57.78% 0.077 246.9)
XYZ	xyz(17.8173, 19.4760, 38.4104)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EA5 #A57A53

analogous

#53A5A3 #537EA5 #5355A5

triadic

#537EA5 #A5537E #7EA553

tetradic

#537EA5 #A353A5 #A57A53 #55A553

square

#537EA5 #A353A5 #A57A53 #55A553

split-complementary

#537EA5 #A55355 #A5A353

monochromatic

#2A4054 #3F5F7C #537EA5 #799CBC #A2BAD0

Accessibility & contrast

On white

4.29

#537EA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#537EA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EA5

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EA5	#FFFFFF	#000000	##000000
##537EA5	1.00	4.29	4.90	4.90
#FFFFFF	4.29	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)

#6E7FA7

Deuteranopia (green-blind)

#6376A4

Tritanopia (blue-blind)

#2C878B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537ea5;
/* rgb */ color: rgb(83, 126, 165);
/* oklch */ color: oklch(57.8% 0.077 246.9);

Tailwind

colors: {
  custom: {
    50: '#88a3bf',
    500: '#537ea5',
    950: '#000000',
  },
}

SCSS

$custom: #537ea5;
$custom-light: #88a3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#537ea5",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 165
  },
  "hsl": {
    "h": 208.537,
    "s": 33.065,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57783,
    "c": 0.07697,
    "h": 246.9
  },
  "luminance": 0.19477
}

Semantic roles & 50–950 ramp

primary

#537EA5

secondary

#BEA996

accent

#915FC9

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #537EA5

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

Preview Lab → · Contrast checker → · Palette generator →