#538FCB#538FCB

#538FCB is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.110 H 249.9°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#538FCB
RGB	rgb(83, 143, 203)
HSL	hsl(210, 54%, 56%)
HSV	hsv(210, 59%, 80%)
CMYK	cmyk(59.1%, 29.6%, 0%, 20.4%)
CIE-LAB	lab(57.84, -1.52, -36.83)
CIE-LCH	lch(57.84, 36.86, 267.63°)
OKLab	oklab(63.53% -0.0379 -0.1037)
OKLCH	oklch(63.53% 0.11 249.9)
XYZ	xyz(24.1653, 25.7935, 60.1935)
Luminance	0.2580 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538FCB #CB8F53

analogous

#53CBCB #538FCB #5353CB

triadic

#538FCB #CB538F #8FCB53

tetradic

#538FCB #CB53CB #CB8F53 #53CB53

square

#538FCB #CB53CB #CB8F53 #53CB53

split-complementary

#538FCB #CB5353 #CBCB53

monochromatic

#26527E #3470AD #538FCB #82AED9 #B1CCE7

Accessibility & contrast

On white

3.41

#538FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#538FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FCB

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538FCB	#FFFFFF	#000000	##000000
##538FCB	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7691CE

Deuteranopia (green-blind)

#6686CA

Tritanopia (blue-blind)

#009DA4

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #538fcb;
/* rgb */ color: rgb(83, 143, 203);
/* oklch */ color: oklch(63.5% 0.110 249.9);

Tailwind

colors: {
  custom: {
    50: '#8dafdb',
    500: '#538fcb',
    950: '#000000',
  },
}

SCSS

$custom: #538fcb;
$custom-light: #8dafdb;
$custom-dark: #000000;

JSON

{
  "hex": "#538fcb",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 203
  },
  "hsl": {
    "h": 210,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.63526,
    "c": 0.11045,
    "h": 249.9
  },
  "luminance": 0.25796
}

Semantic roles & 50–950 ramp

primary

#538FCB

secondary

#D6BDA4

accent

#944BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #538FCB

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

Preview Lab → · Contrast checker → · Palette generator →