#538AB5#538AB5

#538AB5 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.3% C 0.088 H 243.5°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX#538AB5
RGBrgb(83, 138, 181)
HSLhsl(206, 40%, 52%)
HSVhsv(206, 54%, 71%)
CMYKcmyk(54.1%, 23.8%, 0%, 29%)
CIE-LABlab(55.43, -5.66, -28.11)
CIE-LCHlch(55.43, 28.67, 258.62°)
OKLaboklab(61.31% -0.0392 -0.0786)
OKLCHoklch(61.31% 0.088 243.5)
XYZxyz(20.9932, 23.3504, 47.1079)
Luminance0.2335 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#538AB5 #B57E53
analogous
#53B5AF #538AB5 #5359B5
triadic
#538AB5 #B5538A #8AB553
tetradic
#538AB5 #AF53B5 #B57E53 #59B553
square
#538AB5 #AF53B5 #B57E53 #59B553
split-complementary
#538AB5 #B55359 #B5AF53
monochromatic
#2B4A63 #3D6A8E #538AB5 #7EA7C7 #A9C4DA

Accessibility & contrast

On white

3.70
#538AB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.67
#538AB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538AB5
5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##538AB5#FFFFFF#000000##000000
##538AB51.003.705.675.67
#FFFFFF3.701.0021.0021.00
#0000005.6721.001.001.00
##0000005.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#778AB7
Deuteranopia (green-blind)
#6A80B4
Tritanopia (blue-blind)
#139499
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #538ab5;
/* rgb */ color: rgb(83, 138, 181);
/* oklch */ color: oklch(61.3% 0.088 243.5);
Tailwind
colors: {
  custom: {
    50: '#8aaccb',
    500: '#538ab5',
    950: '#000000',
  },
}
SCSS
$custom: #538ab5;
$custom-light: #8aaccb;
$custom-dark: #000000;
JSON
{
  "hex": "#538ab5",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 181
  },
  "hsl": {
    "h": 206.327,
    "s": 39.837,
    "l": 51.765
  },
  "oklch": {
    "l": 0.61312,
    "c": 0.08782,
    "h": 243.5
  },
  "luminance": 0.23352
}

Semantic roles & 50–950 ramp

primary
#538AB5
secondary
#C7AF9C
accent
#8D58D0
background
#F8FAFC
surface
#F0F4F8
border
#CBCED1
text
#0C1013
muted
#7D7F82

Preview Lab

Preview with #538AB5

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

Preview Lab → · Contrast checker → · Palette generator →

#538AB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva