#537EB0#537EB0

#537EB0 is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.091 H 253.0°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#537EB0
RGB	rgb(83, 126, 176)
HSL	hsl(212, 37%, 51%)
HSV	hsv(212, 53%, 69%)
CMYK	cmyk(52.8%, 28.4%, 0%, 31%)
CIE-LAB	lab(51.72, -0.24, -31.01)
CIE-LCH	lch(51.72, 31.01, 269.56°)
OKLab	oklab(58.32% -0.0266 -0.087)
OKLCH	oklch(58.32% 0.091 253)
XYZ	xyz(18.8619, 19.8938, 43.9118)
Luminance	0.1989 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EB0 #B08553

analogous

#53ACB0 #537EB0 #5653B0

triadic

#537EB0 #B0537E #7EB053

tetradic

#537EB0 #B053AC #B08553 #53B056

square

#537EB0 #B053AC #B08553 #53B056

split-complementary

#537EB0 #B05653 #ACB053

monochromatic

#2B425E #3E6088 #537EB0 #7D9DC3 #A7BDD7

Accessibility & contrast

On white

4.22

#537EB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#537EB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EB0

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EB0	#FFFFFF	#000000	##000000
##537EB0	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A80B2

Deuteranopia (green-blind)

#5E77AF

Tritanopia (blue-blind)

#21898F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #537eb0;
/* rgb */ color: rgb(83, 126, 176);
/* oklch */ color: oklch(58.3% 0.091 253.0);

Tailwind

colors: {
  custom: {
    50: '#89a3c8',
    500: '#537eb0',
    950: '#000000',
  },
}

SCSS

$custom: #537eb0;
$custom-light: #89a3c8;
$custom-dark: #000000;

JSON

{
  "hex": "#537eb0",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 176
  },
  "hsl": {
    "h": 212.258,
    "s": 37.052,
    "l": 50.784
  },
  "oklch": {
    "l": 0.58316,
    "c": 0.09097,
    "h": 253
  },
  "luminance": 0.19895
}

Semantic roles & 50–950 ramp

primary

#537EB0

secondary

#C4B19B

accent

#985BCD

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537EB0

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

Preview Lab → · Contrast checker → · Palette generator →