#538BB0#538BB0

#538BB0 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.3% C 0.082 H 239.0°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#538BB0
RGB	rgb(83, 139, 176)
HSL	hsl(204, 37%, 51%)
HSV	hsv(204, 53%, 69%)
CMYK	cmyk(52.8%, 21%, 0%, 31%)
CIE-LAB	lab(55.52, -7.77, -25.11)
CIE-LCH	lch(55.52, 26.29, 252.80°)
OKLab	oklab(61.31% -0.0421 -0.07)
OKLCH	oklch(61.31% 0.082 239)
XYZ	xyz(20.6335, 23.4371, 44.5024)
Luminance	0.2344 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BB0 #B07853

analogous

#53B0A6 #538BB0 #535CB0

triadic

#538BB0 #B0538B #8BB053

tetradic

#538BB0 #A653B0 #B07853 #5CB053

square

#538BB0 #A653B0 #B07853 #5CB053

split-complementary

#538BB0 #B0535C #B0A653

monochromatic

#2B495E #3E6A88 #538BB0 #7DA7C3 #A7C4D7

Accessibility & contrast

On white

3.69

#538BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#538BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BB0

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BB0	#FFFFFF	#000000	##000000
##538BB0	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8AB2

Deuteranopia (green-blind)

#6E81AF

Tritanopia (blue-blind)

#1B9497

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #538bb0;
/* rgb */ color: rgb(83, 139, 176);
/* oklch */ color: oklch(61.3% 0.082 239.0);

Tailwind

colors: {
  custom: {
    50: '#8aacc7',
    500: '#538bb0',
    950: '#000000',
  },
}

SCSS

$custom: #538bb0;
$custom-light: #8aacc7;
$custom-dark: #000000;

JSON

{
  "hex": "#538bb0",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 176
  },
  "hsl": {
    "h": 203.871,
    "s": 37.052,
    "l": 50.784
  },
  "oklch": {
    "l": 0.61314,
    "c": 0.0817,
    "h": 239
  },
  "luminance": 0.23439
}

Semantic roles & 50–950 ramp

primary

#538BB0

secondary

#C4AB9B

accent

#885BCD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538BB0

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

Preview Lab → · Contrast checker → · Palette generator →