#538FCF#538FCF

#538FCF is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.7% C 0.115 H 251.5°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#538FCF
RGB	rgb(83, 143, 207)
HSL	hsl(211, 56%, 57%)
HSV	hsv(211, 60%, 81%)
CMYK	cmyk(59.9%, 30.9%, 0%, 18.8%)
CIE-LAB	lab(58.02, -0.22, -38.80)
CIE-LCH	lch(58.02, 38.80, 269.67°)
OKLab	oklab(63.73% -0.0367 -0.1094)
OKLCH	oklch(63.73% 0.115 251.5)
XYZ	xyz(24.6482, 25.9867, 62.7364)
Luminance	0.2599 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FCF #CF9353

analogous

#53CDCF #538FCF #5553CF

triadic

#538FCF #CF538F #8FCF53

tetradic

#538FCF #CF53CD #CF9353 #53CF55

square

#538FCF #CF53CD #CF9353 #53CF55

split-complementary

#538FCF #CF5553 #CDCF53

monochromatic

#255283 #3270B3 #538FCF #83AEDC #B3CDEA

Accessibility & contrast

On white

3.39

#538FCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#538FCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FCF

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FCF	#FFFFFF	#000000	##000000
##538FCF	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7492D2

Deuteranopia (green-blind)

#6386CE

Tritanopia (blue-blind)

#009EA6

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #538fcf;
/* rgb */ color: rgb(83, 143, 207);
/* oklch */ color: oklch(63.7% 0.115 251.5);

Tailwind

colors: {
  custom: {
    50: '#8dafde',
    500: '#538fcf',
    950: '#000000',
  },
}

SCSS

$custom: #538fcf;
$custom-light: #8dafde;
$custom-dark: #000000;

JSON

{
  "hex": "#538fcf",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 207
  },
  "hsl": {
    "h": 210.968,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.63731,
    "c": 0.11544,
    "h": 251.5
  },
  "luminance": 0.25989
}

Semantic roles & 50–950 ramp

primary

#538FCF

secondary

#D8C0A6

accent

#9648E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #538FCF

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

Preview Lab → · Contrast checker → · Palette generator →