#538BB3#538BB3

#538BB3 is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.5% C 0.085 H 241.1°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#538BB3
RGB	rgb(83, 139, 179)
HSL	hsl(205, 39%, 51%)
HSV	hsv(205, 54%, 70%)
CMYK	cmyk(53.6%, 22.3%, 0%, 29.8%)
CIE-LAB	lab(55.64, -6.85, -26.64)
CIE-LCH	lch(55.64, 27.51, 255.58°)
OKLab	oklab(61.45% -0.0411 -0.0744)
OKLCH	oklch(61.45% 0.085 241.1)
XYZ	xyz(20.9336, 23.5572, 46.0829)
Luminance	0.2356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BB3 #B37B53

analogous

#53B3AB #538BB3 #535BB3

triadic

#538BB3 #B3538B #8BB353

tetradic

#538BB3 #AB53B3 #B37B53 #5BB353

square

#538BB3 #AB53B3 #B37B53 #5BB353

split-complementary

#538BB3 #B3535B #B3AB53

monochromatic

#2B4A61 #3E6B8B #538BB3 #7DA8C6 #A8C4D9

Accessibility & contrast

On white

3.68

#538BB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#538BB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BB3

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BB3	#FFFFFF	#000000	##000000
##538BB3	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)

#798BB5

Deuteranopia (green-blind)

#6C81B2

Tritanopia (blue-blind)

#169598

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #538bb3;
/* rgb */ color: rgb(83, 139, 179);
/* oklch */ color: oklch(61.5% 0.085 241.1);

Tailwind

colors: {
  custom: {
    50: '#8aacca',
    500: '#538bb3',
    950: '#000000',
  },
}

SCSS

$custom: #538bb3;
$custom-light: #8aacca;
$custom-dark: #000000;

JSON

{
  "hex": "#538bb3",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 179
  },
  "hsl": {
    "h": 205,
    "s": 38.71,
    "l": 51.373
  },
  "oklch": {
    "l": 0.6145,
    "c": 0.08496,
    "h": 241.1
  },
  "luminance": 0.23559
}

Semantic roles & 50–950 ramp

primary

#538BB3

secondary

#C6AD9C

accent

#8A59CF

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #538BB3

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

Preview Lab → · Contrast checker → · Palette generator →