#538EB8#538EB8

#538EB8 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.4% C 0.089 H 241.1°. Best body text is #000000 at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#538EB8
RGB	rgb(83, 142, 184)
HSL	hsl(205, 42%, 52%)
HSV	hsv(205, 55%, 72%)
CMYK	cmyk(54.9%, 22.8%, 0%, 27.8%)
CIE-LAB	lab(56.73, -7.00, -27.81)
CIE-LCH	lch(56.73, 28.68, 255.87°)
OKLab	oklab(62.38% -0.0428 -0.0777)
OKLCH	oklch(62.38% 0.089 241.1)
XYZ	xyz(21.8889, 24.6438, 48.9413)
Luminance	0.2465 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538EB8 #B87D53

analogous

#53B8AF #538EB8 #535CB8

triadic

#538EB8 #B8538E #8EB853

tetradic

#538EB8 #AF53B8 #B87D53 #5CB853

square

#538EB8 #AF53B8 #B87D53 #5CB853

split-complementary

#538EB8 #B8535C #B8AF53

monochromatic

#2A4D66 #3C6E92 #538EB8 #7EAACA #AAC7DC

Accessibility & contrast

On white

3.54

#538EB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.93

#538EB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538EB8

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538EB8	#FFFFFF	#000000	##000000
##538EB8	1.00	3.54	5.93	5.93
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.93	21.00	1.00	1.00
##000000	5.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8EBA

Deuteranopia (green-blind)

#6E84B7

Tritanopia (blue-blind)

#07989C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #538eb8;
/* rgb */ color: rgb(83, 142, 184);
/* oklch */ color: oklch(62.4% 0.089 241.1);

Tailwind

colors: {
  custom: {
    50: '#8aafcd',
    500: '#538eb8',
    950: '#000000',
  },
}

SCSS

$custom: #538eb8;
$custom-light: #8aafcd;
$custom-dark: #000000;

JSON

{
  "hex": "#538eb8",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 184
  },
  "hsl": {
    "h": 204.95,
    "s": 41.564,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62376,
    "c": 0.08875,
    "h": 241.1
  },
  "luminance": 0.24646
}

Semantic roles & 50–950 ramp

primary

#538EB8

secondary

#C9B09D

accent

#8A56D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538EB8

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

Preview Lab → · Contrast checker → · Palette generator →