#538BD1#538BD1

#538BD1 is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.9% C 0.122 H 254.8°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#538BD1
RGB	rgb(83, 139, 209)
HSL	hsl(213, 58%, 57%)
HSV	hsv(213, 60%, 82%)
CMYK	cmyk(60.3%, 33.5%, 0%, 18%)
CIE-LAB	lab(56.98, 2.78, -41.56)
CIE-LCH	lch(56.98, 41.65, 273.82°)
OKLab	oklab(62.95% -0.0319 -0.1175)
OKLCH	oklch(62.95% 0.122 254.8)
XYZ	xyz(24.3044, 24.9055, 63.8357)
Luminance	0.2491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BD1 #D19953

analogous

#53CAD1 #538BD1 #5A53D1

triadic

#538BD1 #D1538B #8BD153

tetradic

#538BD1 #D153CA #D19953 #53D15A

square

#538BD1 #D153CA #D19953 #53D15A

split-complementary

#538BD1 #D15A53 #CAD153

monochromatic

#244F86 #316CB6 #538BD1 #83ACDE #B4CCEB

Accessibility & contrast

On white

3.51

#538BD1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#538BD1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BD1

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BD1	#FFFFFF	#000000	##000000
##538BD1	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D8FD4

Deuteranopia (green-blind)

#5D83D0

Tritanopia (blue-blind)

#009BA4

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #538bd1;
/* rgb */ color: rgb(83, 139, 209);
/* oklch */ color: oklch(62.9% 0.122 254.8);

Tailwind

colors: {
  custom: {
    50: '#8eacdf',
    500: '#538bd1',
    950: '#000000',
  },
}

SCSS

$custom: #538bd1;
$custom-light: #8eacdf;
$custom-dark: #000000;

JSON

{
  "hex": "#538bd1",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 209
  },
  "hsl": {
    "h": 213.333,
    "s": 57.798,
    "l": 57.255
  },
  "oklch": {
    "l": 0.62947,
    "c": 0.12176,
    "h": 254.8
  },
  "luminance": 0.24908
}

Semantic roles & 50–950 ramp

primary

#538BD1

secondary

#D9C3A6

accent

#9C47E1

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #538BD1

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

Preview Lab → · Contrast checker → · Palette generator →