#538DDD#538DDD

#538DDD is a light, vivid cyan. Relative luminance 0.261; OKLCH L 64.0% C 0.135 H 256.8°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#538DDD
RGB	rgb(83, 141, 221)
HSL	hsl(215, 67%, 60%)
HSV	hsv(215, 62%, 87%)
CMYK	cmyk(62.4%, 36.2%, 0%, 13.3%)
CIE-LAB	lab(58.14, 5.59, -46.46)
CIE-LCH	lch(58.14, 46.80, 276.86°)
OKLab	oklab(64.04% -0.0309 -0.1318)
OKLCH	oklch(64.04% 0.135 256.8)
XYZ	xyz(26.1386, 26.1068, 72.0542)
Luminance	0.2611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DDD #DDA353

analogous

#53D2DD #538DDD #5E53DD

triadic

#538DDD #DD538D #8DDD53

tetradic

#538DDD #DD53D2 #DDA353 #53DD5E

square

#538DDD #DD53D2 #DDA353 #53DD5E

split-complementary

#538DDD #DD5E53 #D2DD53

monochromatic

#1E5198 #286CCB #538DDD #86AFE7 #B9D1F1

Accessibility & contrast

On white

3.38

#538DDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#538DDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DDD

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DDD	#FFFFFF	#000000	##000000
##538DDD	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A93E0

Deuteranopia (green-blind)

#5786DB

Tritanopia (blue-blind)

#009FAA

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538ddd;
/* rgb */ color: rgb(83, 141, 221);
/* oklch */ color: oklch(64.0% 0.135 256.8);

Tailwind

colors: {
  custom: {
    50: '#8fade8',
    500: '#538ddd',
    950: '#000000',
  },
}

SCSS

$custom: #538ddd;
$custom-light: #8fade8;
$custom-dark: #000000;

JSON

{
  "hex": "#538ddd",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 221
  },
  "hsl": {
    "h": 214.783,
    "s": 66.99,
    "l": 59.608
  },
  "oklch": {
    "l": 0.64042,
    "c": 0.13538,
    "h": 256.8
  },
  "luminance": 0.26109
}

Semantic roles & 50–950 ramp

primary

#538DDD

secondary

#E1CAAB

accent

#A23EEA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538DDD

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

Preview Lab → · Contrast checker → · Palette generator →