#538BB7#538BB7

#538BB7 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.6% C 0.089 H 243.7°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#538BB7
RGB	rgb(83, 139, 183)
HSL	hsl(206, 41%, 52%)
HSV	hsv(206, 55%, 72%)
CMYK	cmyk(54.6%, 24%, 0%, 28.2%)
CIE-LAB	lab(55.81, -5.60, -28.67)
CIE-LCH	lch(55.81, 29.21, 258.94°)
OKLab	oklab(61.64% -0.0397 -0.0802)
OKLCH	oklch(61.64% 0.089 243.7)
XYZ	xyz(21.3441, 23.7213, 48.2445)
Luminance	0.2372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BB7 #B77F53

analogous

#53B7B1 #538BB7 #5359B7

triadic

#538BB7 #B7538B #8BB753

tetradic

#538BB7 #B153B7 #B77F53 #59B753

square

#538BB7 #B153B7 #B77F53 #59B753

split-complementary

#538BB7 #B75359 #B7B153

monochromatic

#2A4B65 #3C6B90 #538BB7 #7EA8C9 #A9C5DB

Accessibility & contrast

On white

3.66

#538BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#538BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BB7

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BB7	#FFFFFF	#000000	##000000
##538BB7	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788BB9

Deuteranopia (green-blind)

#6B81B6

Tritanopia (blue-blind)

#0D969A

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #538bb7;
/* rgb */ color: rgb(83, 139, 183);
/* oklch */ color: oklch(61.6% 0.089 243.7);

Tailwind

colors: {
  custom: {
    50: '#8aaccc',
    500: '#538bb7',
    950: '#000000',
  },
}

SCSS

$custom: #538bb7;
$custom-light: #8aaccc;
$custom-dark: #000000;

JSON

{
  "hex": "#538bb7",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 183
  },
  "hsl": {
    "h": 206.4,
    "s": 40.984,
    "l": 52.157
  },
  "oklch": {
    "l": 0.61636,
    "c": 0.08947,
    "h": 243.7
  },
  "luminance": 0.23723
}

Semantic roles & 50–950 ramp

primary

#538BB7

secondary

#C9B09D

accent

#8D57D1

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538BB7

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

Preview Lab → · Contrast checker → · Palette generator →