#538DD5#538DD5

#538DD5 is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.6% C 0.125 H 254.7°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#538DD5
RGB	rgb(83, 141, 213)
HSL	hsl(213, 61%, 58%)
HSV	hsv(213, 61%, 84%)
CMYK	cmyk(61%, 33.8%, 0%, 16.5%)
CIE-LAB	lab(57.74, 2.92, -42.61)
CIE-LCH	lch(57.74, 42.71, 273.93°)
OKLab	oklab(63.6% -0.0329 -0.1206)
OKLCH	oklch(63.6% 0.125 254.7)
XYZ	xyz(25.0981, 25.6905, 66.5740)
Luminance	0.2569 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DD5 #D59B53

analogous

#53CED5 #538DD5 #5A53D5

triadic

#538DD5 #D5538D #8DD553

tetradic

#538DD5 #D553CE #D59B53 #53D55A

square

#538DD5 #D553CE #D59B53 #53D55A

split-complementary

#538DD5 #D55A53 #CED553

monochromatic

#22518C #2E6EBD #538DD5 #84AEE1 #B5CEED

Accessibility & contrast

On white

3.42

#538DD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#538DD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DD5

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DD5	#FFFFFF	#000000	##000000
##538DD5	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E92D8

Deuteranopia (green-blind)

#5D85D4

Tritanopia (blue-blind)

#009DA7

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #538dd5;
/* rgb */ color: rgb(83, 141, 213);
/* oklch */ color: oklch(63.6% 0.125 254.7);

Tailwind

colors: {
  custom: {
    50: '#8eaee2',
    500: '#538dd5',
    950: '#000000',
  },
}

SCSS

$custom: #538dd5;
$custom-light: #8eaee2;
$custom-dark: #000000;

JSON

{
  "hex": "#538dd5",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 213
  },
  "hsl": {
    "h": 213.231,
    "s": 60.748,
    "l": 58.039
  },
  "oklch": {
    "l": 0.63603,
    "c": 0.12497,
    "h": 254.7
  },
  "luminance": 0.25693
}

Semantic roles & 50–950 ramp

primary

#538DD5

secondary

#DCC5A8

accent

#9D44E4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #538DD5

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

Preview Lab → · Contrast checker → · Palette generator →