#538BD9#538BD9

#538BD9 is a light, vivid cyan. Relative luminance 0.253; OKLCH L 63.4% C 0.132 H 257.0°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#538BD9
RGB	rgb(83, 139, 217)
HSL	hsl(215, 64%, 59%)
HSV	hsv(215, 62%, 85%)
CMYK	cmyk(61.8%, 35.9%, 0%, 14.9%)
CIE-LAB	lab(57.38, 5.44, -45.43)
CIE-LCH	lch(57.38, 45.75, 276.82°)
OKLab	oklab(63.38% -0.0298 -0.1288)
OKLCH	oklch(63.38% 0.132 257)
XYZ	xyz(25.3198, 25.3117, 69.1835)
Luminance	0.2531 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BD9 #D9A153

analogous

#53CED9 #538BD9 #5E53D9

triadic

#538BD9 #D9538B #8BD953

tetradic

#538BD9 #D953CE #D9A153 #53D95E

square

#538BD9 #D953CE #D9A153 #53D95E

split-complementary

#538BD9 #D95E53 #CED953

monochromatic

#204F91 #2B6BC4 #538BD9 #85ADE4 #B7CFEF

Accessibility & contrast

On white

3.46

#538BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#538BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BD9

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BD9	#FFFFFF	#000000	##000000
##538BD9	1.00	3.46	6.06	6.06
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A91DC

Deuteranopia (green-blind)

#5784D7

Tritanopia (blue-blind)

#009DA8

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #538bd9;
/* rgb */ color: rgb(83, 139, 217);
/* oklch */ color: oklch(63.4% 0.132 257.0);

Tailwind

colors: {
  custom: {
    50: '#8face5',
    500: '#538bd9',
    950: '#000000',
  },
}

SCSS

$custom: #538bd9;
$custom-light: #8face5;
$custom-dark: #000000;

JSON

{
  "hex": "#538bd9",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 217
  },
  "hsl": {
    "h": 214.925,
    "s": 63.81,
    "l": 58.824
  },
  "oklch": {
    "l": 0.63384,
    "c": 0.13221,
    "h": 257
  },
  "luminance": 0.25314
}

Semantic roles & 50–950 ramp

primary

#538BD9

secondary

#DEC8AA

accent

#A241E7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #538BD9

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

Preview Lab → · Contrast checker → · Palette generator →