#537EB8#537EB8

#537EB8 is a mid, moderate cyan. Relative luminance 0.202; OKLCH L 58.7% C 0.102 H 256.2°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#537EB8
RGB	rgb(83, 126, 184)
HSL	hsl(214, 42%, 52%)
HSV	hsv(214, 55%, 72%)
CMYK	cmyk(54.9%, 31.5%, 0%, 27.8%)
CIE-LAB	lab(52.08, 2.32, -35.04)
CIE-LCH	lch(52.08, 35.12, 273.78°)
OKLab	oklab(58.73% -0.0242 -0.0987)
OKLCH	oklch(58.73% 0.102 256.2)
XYZ	xyz(19.6769, 20.2198, 48.2040)
Luminance	0.2022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EB8 #B88D53

analogous

#53B1B8 #537EB8 #5A53B8

triadic

#537EB8 #B8537E #7EB853

tetradic

#537EB8 #B853B1 #B88D53 #53B85A

square

#537EB8 #B853B1 #B88D53 #53B85A

split-complementary

#537EB8 #B85A53 #B1B853

monochromatic

#2A4466 #3C6192 #537EB8 #7E9ECA #AABFDC

Accessibility & contrast

On white

4.16

#537EB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#537EB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EB8

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EB8	#FFFFFF	#000000	##000000
##537EB8	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6782BA

Deuteranopia (green-blind)

#5A78B7

Tritanopia (blue-blind)

#148B93

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #537eb8;
/* rgb */ color: rgb(83, 126, 184);
/* oklch */ color: oklch(58.7% 0.102 256.2);

Tailwind

colors: {
  custom: {
    50: '#8aa3cd',
    500: '#537eb8',
    950: '#000000',
  },
}

SCSS

$custom: #537eb8;
$custom-light: #8aa3cd;
$custom-dark: #000000;

JSON

{
  "hex": "#537eb8",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 184
  },
  "hsl": {
    "h": 214.455,
    "s": 41.564,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58725,
    "c": 0.1016,
    "h": 256.2
  },
  "luminance": 0.20221
}

Semantic roles & 50–950 ramp

primary

#537EB8

secondary

#C9B79D

accent

#9D56D1

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #537EB8

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

Preview Lab → · Contrast checker → · Palette generator →