#538BD8#538BD8

#538BD8 is a light, vivid cyan. Relative luminance 0.253; OKLCH L 63.3% C 0.131 H 256.7°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#538BD8
RGB	rgb(83, 139, 216)
HSL	hsl(215, 63%, 59%)
HSV	hsv(215, 62%, 85%)
CMYK	cmyk(61.6%, 35.6%, 0%, 15.3%)
CIE-LAB	lab(57.33, 5.10, -44.95)
CIE-LCH	lch(57.33, 45.23, 276.48°)
OKLab	oklab(63.33% -0.03 -0.1274)
OKLCH	oklch(63.33% 0.131 256.7)
XYZ	xyz(25.1901, 25.2598, 68.5006)
Luminance	0.2526 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BD8 #D8A053

analogous

#53CDD8 #538BD8 #5D53D8

triadic

#538BD8 #D8538B #8BD853

tetradic

#538BD8 #D853CD #D8A053 #53D85D

square

#538BD8 #D853CD #D8A053 #53D85D

split-complementary

#538BD8 #D85D53 #CDD853

monochromatic

#215090 #2C6BC2 #538BD8 #85ADE3 #B7CEEF

Accessibility & contrast

On white

3.47

#538BD8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#538BD8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BD8

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BD8	#FFFFFF	#000000	##000000
##538BD8	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A91DB

Deuteranopia (green-blind)

#5884D6

Tritanopia (blue-blind)

#009DA7

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #538bd8;
/* rgb */ color: rgb(83, 139, 216);
/* oklch */ color: oklch(63.3% 0.131 256.7);

Tailwind

colors: {
  custom: {
    50: '#8face4',
    500: '#538bd8',
    950: '#000000',
  },
}

SCSS

$custom: #538bd8;
$custom-light: #8face4;
$custom-dark: #000000;

JSON

{
  "hex": "#538bd8",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 216
  },
  "hsl": {
    "h": 214.737,
    "s": 63.033,
    "l": 58.627
  },
  "oklch": {
    "l": 0.63328,
    "c": 0.1309,
    "h": 256.7
  },
  "luminance": 0.25262
}

Semantic roles & 50–950 ramp

primary

#538BD8

secondary

#DEC8A9

accent

#A142E6

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1015

muted

#7E7F84

Preview Lab

Preview with #538BD8

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

Preview Lab → · Contrast checker → · Palette generator →