#538DCF#538DCF

#538DCF is a light, moderate cyan. Relative luminance 0.254; OKLCH L 63.3% C 0.117 H 252.9°. Best body text is #000000 at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#538DCF
RGB	rgb(83, 141, 207)
HSL	hsl(212, 56%, 57%)
HSV	hsv(212, 60%, 81%)
CMYK	cmyk(59.9%, 31.9%, 0%, 18.8%)
CIE-LAB	lab(57.45, 0.94, -39.69)
CIE-LCH	lch(57.45, 39.70, 271.36°)
OKLab	oklab(63.28% -0.0345 -0.1121)
OKLCH	oklch(63.28% 0.117 252.9)
XYZ	xyz(24.3506, 25.3915, 62.6372)
Luminance	0.2539 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DCF #CF9553

analogous

#53CBCF #538DCF #5753CF

triadic

#538DCF #CF538D #8DCF53

tetradic

#538DCF #CF53CB #CF9553 #53CF57

square

#538DCF #CF53CB #CF9553 #53CF57

split-complementary

#538DCF #CF5753 #CBCF53

monochromatic

#255183 #326EB3 #538DCF #83ADDC #B3CCEA

Accessibility & contrast

On white

3.45

#538DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.08

#538DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DCF

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DCF	#FFFFFF	#000000	##000000
##538DCF	1.00	3.45	6.08	6.08
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.08	21.00	1.00	1.00
##000000	6.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7191D2

Deuteranopia (green-blind)

#6185CE

Tritanopia (blue-blind)

#009CA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #538dcf;
/* rgb */ color: rgb(83, 141, 207);
/* oklch */ color: oklch(63.3% 0.117 252.9);

Tailwind

colors: {
  custom: {
    50: '#8daede',
    500: '#538dcf',
    950: '#000000',
  },
}

SCSS

$custom: #538dcf;
$custom-light: #8daede;
$custom-dark: #000000;

JSON

{
  "hex": "#538dcf",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 207
  },
  "hsl": {
    "h": 211.935,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63284,
    "c": 0.11726,
    "h": 252.9
  },
  "luminance": 0.25394
}

Semantic roles & 50–950 ramp

primary

#538DCF

secondary

#D8C1A6

accent

#9948E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #538DCF

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

Preview Lab → · Contrast checker → · Palette generator →