#537EA7#537EA7

#537EA7 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.9% C 0.079 H 248.2°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#537EA7
RGB	rgb(83, 126, 167)
HSL	hsl(209, 34%, 49%)
HSV	hsv(209, 50%, 65%)
CMYK	cmyk(50.3%, 24.6%, 0%, 34.5%)
CIE-LAB	lab(51.32, -3.05, -26.42)
CIE-LCH	lch(51.32, 26.59, 263.41°)
OKLab	oklab(57.88% -0.0295 -0.0738)
OKLCH	oklch(57.88% 0.079 248.2)
XYZ	xyz(18.0008, 19.5494, 39.3766)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EA7 #A77C53

analogous

#53A7A6 #537EA7 #5354A7

triadic

#537EA7 #A7537E #7EA753

tetradic

#537EA7 #A653A7 #A77C53 #54A753

square

#537EA7 #A653A7 #A77C53 #54A753

split-complementary

#537EA7 #A75354 #A7A653

monochromatic

#2A4055 #3F5F7E #537EA7 #7A9CBD #A3BBD1

Accessibility & contrast

On white

4.28

#537EA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#537EA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EA7

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EA7	#FFFFFF	#000000	##000000
##537EA7	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FA9

Deuteranopia (green-blind)

#6277A6

Tritanopia (blue-blind)

#2A888C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #537ea7;
/* rgb */ color: rgb(83, 126, 167);
/* oklch */ color: oklch(57.9% 0.079 248.2);

Tailwind

colors: {
  custom: {
    50: '#88a3c1',
    500: '#537ea7',
    950: '#000000',
  },
}

SCSS

$custom: #537ea7;
$custom-light: #88a3c1;
$custom-dark: #000000;

JSON

{
  "hex": "#537ea7",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 167
  },
  "hsl": {
    "h": 209.286,
    "s": 33.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57878,
    "c": 0.07945,
    "h": 248.2
  },
  "luminance": 0.19551
}

Semantic roles & 50–950 ramp

primary

#537EA7

secondary

#BFAA97

accent

#935ECA

background

#F8FAFB

surface

#F0F3F7

border

#CBCDD0

text

#0C0F12

muted

#7D7F81

Preview Lab

Preview with #537EA7

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

Preview Lab → · Contrast checker → · Palette generator →