#538EB7#538EB7

#538EB7 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.3% C 0.088 H 240.5°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#538EB7
RGB	rgb(83, 142, 183)
HSL	hsl(205, 41%, 52%)
HSV	hsv(205, 55%, 72%)
CMYK	cmyk(54.6%, 22.4%, 0%, 28.2%)
CIE-LAB	lab(56.69, -7.31, -27.31)
CIE-LCH	lch(56.69, 28.27, 255.01°)
OKLab	oklab(62.33% -0.0432 -0.0763)
OKLCH	oklch(62.33% 0.088 240.5)
XYZ	xyz(21.7844, 24.6021, 48.3912)
Luminance	0.2460 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538EB7 #B77C53

analogous

#53B7AE #538EB7 #535CB7

triadic

#538EB7 #B7538E #8EB753

tetradic

#538EB7 #AE53B7 #B77C53 #5CB753

square

#538EB7 #AE53B7 #B77C53 #5CB753

split-complementary

#538EB7 #B7535C #B7AE53

monochromatic

#2A4D65 #3C6E90 #538EB7 #7EAAC9 #A9C7DB

Accessibility & contrast

On white

3.55

#538EB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#538EB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538EB7

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538EB7	#FFFFFF	#000000	##000000
##538EB7	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8EB9

Deuteranopia (green-blind)

#6E83B6

Tritanopia (blue-blind)

#0A989C

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #538eb7;
/* rgb */ color: rgb(83, 142, 183);
/* oklch */ color: oklch(62.3% 0.088 240.5);

Tailwind

colors: {
  custom: {
    50: '#8aafcc',
    500: '#538eb7',
    950: '#000000',
  },
}

SCSS

$custom: #538eb7;
$custom-light: #8aafcc;
$custom-dark: #000000;

JSON

{
  "hex": "#538eb7",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 183
  },
  "hsl": {
    "h": 204.6,
    "s": 40.984,
    "l": 52.157
  },
  "oklch": {
    "l": 0.6233,
    "c": 0.08765,
    "h": 240.5
  },
  "luminance": 0.24604
}

Semantic roles & 50–950 ramp

primary

#538EB7

secondary

#C9AF9D

accent

#8957D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538EB7

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

Preview Lab → · Contrast checker → · Palette generator →