#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
RGB	rgb(83, 138, 181)
HSL	hsl(206, 40%, 52%)
HSV	hsv(206, 54%, 71%)
CMYK	cmyk(54.1%, 23.8%, 0%, 29%)
CIE-LAB	lab(55.43, -5.66, -28.11)
CIE-LCH	lch(55.43, 28.67, 258.62°)
OKLab	oklab(61.31% -0.0392 -0.0786)
OKLCH	oklch(61.31% 0.088 243.5)
XYZ	xyz(20.9932, 23.3504, 47.1079)
Luminance	0.2335 (WCAG relative)
Temperature	cool
Family	cyan

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
##538AB5	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

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 →