#538FDB#538FDB

#538FDB is a light, vivid cyan. Relative luminance 0.266; OKLCH L 64.4% C 0.131 H 255.2°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#538FDB
RGB	rgb(83, 143, 219)
HSL	hsl(214, 65%, 59%)
HSV	hsv(214, 62%, 86%)
CMYK	cmyk(62.1%, 34.7%, 0%, 14.1%)
CIE-LAB	lab(58.60, 3.74, -44.62)
CIE-LCH	lch(58.60, 44.77, 274.79°)
OKLab	oklab(64.37% -0.0334 -0.1264)
OKLCH	oklch(64.37% 0.131 255.2)
XYZ	xyz(26.1713, 26.5959, 70.7584)
Luminance	0.2660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FDB #DB9F53

analogous

#53D3DB #538FDB #5B53DB

triadic

#538FDB #DB538F #8FDB53

tetradic

#538FDB #DB53D3 #DB9F53 #53DB5B

square

#538FDB #DB53D3 #DB9F53 #53DB5B

split-complementary

#538FDB #DB5B53 #D3DB53

monochromatic

#1F5395 #2A6FC7 #538FDB #86B0E6 #B8D1F0

Accessibility & contrast

On white

3.32

#538FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#538FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FDB

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FDB	#FFFFFF	#000000	##000000
##538FDB	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DE

Deuteranopia (green-blind)

#5C87D9

Tritanopia (blue-blind)

#00A0AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #538fdb;
/* rgb */ color: rgb(83, 143, 219);
/* oklch */ color: oklch(64.4% 0.131 255.2);

Tailwind

colors: {
  custom: {
    50: '#8fafe6',
    500: '#538fdb',
    950: '#000000',
  },
}

SCSS

$custom: #538fdb;
$custom-light: #8fafe6;
$custom-dark: #000000;

JSON

{
  "hex": "#538fdb",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 219
  },
  "hsl": {
    "h": 213.529,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.64368,
    "c": 0.13075,
    "h": 255.2
  },
  "luminance": 0.26598
}

Semantic roles & 50–950 ramp

primary

#538FDB

secondary

#DFC8AA

accent

#9E3FE8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #538FDB

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

Preview Lab → · Contrast checker → · Palette generator →