#538EB4#538EB4

#538EB4 is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.2% C 0.084 H 238.4°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#538EB4
RGB	rgb(83, 142, 180)
HSL	hsl(204, 39%, 52%)
HSV	hsv(204, 54%, 71%)
CMYK	cmyk(53.9%, 21.1%, 0%, 29.4%)
CIE-LAB	lab(56.56, -8.24, -25.79)
CIE-LCH	lch(56.56, 27.07, 252.28°)
OKLab	oklab(62.19% -0.0442 -0.0719)
OKLCH	oklch(62.19% 0.084 238.4)
XYZ	xyz(21.4755, 24.4785, 46.7643)
Luminance	0.2448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538EB4 #B47953

analogous

#53B4AA #538EB4 #535EB4

triadic

#538EB4 #B4538E #8EB453

tetradic

#538EB4 #AA53B4 #B47953 #5EB453

square

#538EB4 #AA53B4 #B47953 #5EB453

split-complementary

#538EB4 #B4535E #B4AA53

monochromatic

#2B4C62 #3D6D8D #538EB4 #7EAAC7 #A8C6D9

Accessibility & contrast

On white

3.56

#538EB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#538EB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538EB4

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538EB4	#FFFFFF	#000000	##000000
##538EB4	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8DB6

Deuteranopia (green-blind)

#7083B3

Tritanopia (blue-blind)

#12989B

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #538eb4;
/* rgb */ color: rgb(83, 142, 180);
/* oklch */ color: oklch(62.2% 0.084 238.4);

Tailwind

colors: {
  custom: {
    50: '#8aafca',
    500: '#538eb4',
    950: '#000000',
  },
}

SCSS

$custom: #538eb4;
$custom-light: #8aafca;
$custom-dark: #000000;

JSON

{
  "hex": "#538eb4",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 180
  },
  "hsl": {
    "h": 203.505,
    "s": 39.271,
    "l": 51.569
  },
  "oklch": {
    "l": 0.62193,
    "c": 0.08444,
    "h": 238.4
  },
  "luminance": 0.2448
}

Semantic roles & 50–950 ramp

primary

#538EB4

secondary

#C7AD9C

accent

#8759CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538EB4

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

Preview Lab → · Contrast checker → · Palette generator →