#538FB8#538FB8

#538FB8 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.6% C 0.088 H 240.1°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#538FB8
RGB	rgb(83, 143, 184)
HSL	hsl(204, 42%, 52%)
HSV	hsv(204, 55%, 72%)
CMYK	cmyk(54.9%, 22.3%, 0%, 27.8%)
CIE-LAB	lab(57.02, -7.57, -27.36)
CIE-LCH	lch(57.02, 28.39, 254.54°)
OKLab	oklab(62.61% -0.044 -0.0764)
OKLCH	oklch(62.61% 0.088 240.1)
XYZ	xyz(22.0383, 24.9427, 48.9912)
Luminance	0.2495 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FB8 #B87C53

analogous

#53B8AE #538FB8 #535DB8

triadic

#538FB8 #B8538F #8FB853

tetradic

#538FB8 #AE53B8 #B87C53 #5DB853

square

#538FB8 #AE53B8 #B87C53 #5DB853

split-complementary

#538FB8 #B8535D #B8AE53

monochromatic

#2A4E66 #3C6F92 #538FB8 #7EABCA #AAC7DC

Accessibility & contrast

On white

3.51

#538FB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.99

#538FB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FB8

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FB8	#FFFFFF	#000000	##000000
##538FB8	1.00	3.51	5.99	5.99
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.99	21.00	1.00	1.00
##000000	5.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8FBA

Deuteranopia (green-blind)

#6F84B7

Tritanopia (blue-blind)

#06999D

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #538fb8;
/* rgb */ color: rgb(83, 143, 184);
/* oklch */ color: oklch(62.6% 0.088 240.1);

Tailwind

colors: {
  custom: {
    50: '#8bafcd',
    500: '#538fb8',
    950: '#000000',
  },
}

SCSS

$custom: #538fb8;
$custom-light: #8bafcd;
$custom-dark: #000000;

JSON

{
  "hex": "#538fb8",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 184
  },
  "hsl": {
    "h": 204.356,
    "s": 41.564,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62608,
    "c": 0.08819,
    "h": 240.1
  },
  "luminance": 0.24945
}

Semantic roles & 50–950 ramp

primary

#538FB8

secondary

#C9AF9D

accent

#8856D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538FB8

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

Preview Lab → · Contrast checker → · Palette generator →