#3588B3#3588B3

#3588B3 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.5% C 0.103 H 235.0°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3588B3
RGB	rgb(53, 136, 179)
HSL	hsl(200, 54%, 45%)
HSV	hsv(200, 70%, 70%)
CMYK	cmyk(70.4%, 24%, 0%, 29.8%)
CIE-LAB	lab(53.62, -10.81, -29.87)
CIE-LCH	lch(53.62, 31.76, 250.10°)
OKLab	oklab(59.53% -0.0589 -0.084)
OKLCH	oklch(59.53% 0.103 235)
XYZ	xyz(18.4058, 21.6178, 45.8417)
Luminance	0.2162 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3588B3 #B36035

analogous

#35B39F #3588B3 #3549B3

triadic

#3588B3 #B33588 #88B335

tetradic

#3588B3 #9F35B3 #B36035 #49B335

square

#3588B3 #9F35B3 #B36035 #49B335

split-complementary

#3588B3 #B33549 #B39F35

monochromatic

#194055 #276484 #3588B3 #58A5CD #87BFDB

Accessibility & contrast

On white

3.94

#3588B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#3588B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3588B3

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3588B3	#FFFFFF	#000000	##000000
##3588B3	1.00	3.94	5.32	5.32
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B5

Deuteranopia (green-blind)

#627BB2

Tritanopia (blue-blind)

#009397

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3588b3;
/* rgb */ color: rgb(53, 136, 179);
/* oklch */ color: oklch(59.5% 0.103 235.0);

Tailwind

colors: {
  custom: {
    50: '#7caaca',
    500: '#3588b3',
    950: '#000000',
  },
}

SCSS

$custom: #3588b3;
$custom-light: #7caaca;
$custom-dark: #000000;

JSON

{
  "hex": "#3588b3",
  "rgb": {
    "r": 53,
    "g": 136,
    "b": 179
  },
  "hsl": {
    "h": 200.476,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.59533,
    "c": 0.10256,
    "h": 235
  },
  "luminance": 0.2162
}

Semantic roles & 50–950 ramp

primary

#3588B3

secondary

#C5977F

accent

#7C4ADE

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3588B3

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

Preview Lab → · Contrast checker → · Palette generator →