#538E9B#538E9B

#538E9B is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.1% C 0.065 H 213.4°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#538E9B
RGB	rgb(83, 142, 155)
HSL	hsl(191, 30%, 47%)
HSV	hsv(191, 46%, 61%)
CMYK	cmyk(46.5%, 8.4%, 0%, 39.2%)
CIE-LAB	lab(55.63, -15.63, -12.89)
CIE-LCH	lch(55.63, 20.26, 219.53°)
OKLab	oklab(61.15% -0.0539 -0.0355)
OKLCH	oklch(61.15% 0.065 213.4)
XYZ	xyz(19.1545, 23.5501, 34.5402)
Luminance	0.2355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538E9B #9B6053

analogous

#539B84 #538E9B #536A9B

triadic

#538E9B #9B538E #8E9B53

tetradic

#538E9B #84539B #9B6053 #6A9B53

square

#538E9B #84539B #9B6053 #6A9B53

split-complementary

#538E9B #9B536A #9B8453

monochromatic

#28454B #3E6973 #538E9B #76AAB5 #9EC3CB

Accessibility & contrast

On white

3.68

#538E9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#538E9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538E9B

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538E9B	#FFFFFF	#000000	##000000
##538E9B	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848A9C

Deuteranopia (green-blind)

#79829B

Tritanopia (blue-blind)

#309392

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #538e9b;
/* rgb */ color: rgb(83, 142, 155);
/* oklch */ color: oklch(61.1% 0.065 213.4);

Tailwind

colors: {
  custom: {
    50: '#88afb8',
    500: '#538e9b',
    950: '#000000',
  },
}

SCSS

$custom: #538e9b;
$custom-light: #88afb8;
$custom-dark: #000000;

JSON

{
  "hex": "#538e9b",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 155
  },
  "hsl": {
    "h": 190.833,
    "s": 30.252,
    "l": 46.667
  },
  "oklch": {
    "l": 0.61147,
    "c": 0.06452,
    "h": 213.4
  },
  "luminance": 0.23552
}

Semantic roles & 50–950 ramp

primary

#538E9B

secondary

#B89992

accent

#7461C6

background

#F8FAFB

surface

#F0F4F6

border

#CBCED0

text

#0C1011

muted

#7D7F80

Preview Lab

Preview with #538E9B

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

Preview Lab → · Contrast checker → · Palette generator →