#3588BC#3588BC

#3588BC is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 60.0% C 0.112 H 240.1°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3588BC
RGB	rgb(53, 136, 188)
HSL	hsl(203, 56%, 47%)
HSV	hsv(203, 72%, 74%)
CMYK	cmyk(71.8%, 27.7%, 0%, 26.3%)
CIE-LAB	lab(54.02, -7.70, -34.39)
CIE-LCH	lch(54.02, 35.24, 257.39°)
OKLab	oklab(59.98% -0.0558 -0.0971)
OKLCH	oklch(59.98% 0.112 240.1)
XYZ	xyz(19.3459, 21.9939, 50.7929)
Luminance	0.2200 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3588BC #BC6935

analogous

#35BCAD #3588BC #3545BC

triadic

#3588BC #BC3588 #88BC35

tetradic

#3588BC #AD35BC #BC6935 #45BC35

square

#3588BC #AD35BC #BC6935 #45BC35

split-complementary

#3588BC #BC3545 #BCAD35

monochromatic

#1A435D #28658C #3588BC #5DA4D1 #8DBFDF

Accessibility & contrast

On white

3.89

#3588BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#3588BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3588BC

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3588BC	#FFFFFF	#000000	##000000
##3588BC	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7088BE

Deuteranopia (green-blind)

#5D7BBB

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3588bc;
/* rgb */ color: rgb(53, 136, 188);
/* oklch */ color: oklch(60.0% 0.112 240.1);

Tailwind

colors: {
  custom: {
    50: '#7daad0',
    500: '#3588bc',
    950: '#000000',
  },
}

SCSS

$custom: #3588bc;
$custom-light: #7daad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3588bc",
  "rgb": {
    "r": 53,
    "g": 136,
    "b": 188
  },
  "hsl": {
    "h": 203.111,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59984,
    "c": 0.11197,
    "h": 240.1
  },
  "luminance": 0.21996
}

Semantic roles & 50–950 ramp

primary

#3588BC

secondary

#C99E84

accent

#8348DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3588BC

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

Preview Lab → · Contrast checker → · Palette generator →