#3588D8#3588D8

#3588D8 is a mid, vivid cyan. Relative luminance 0.233; OKLCH L 61.5% C 0.145 H 250.8°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3588D8
RGB	rgb(53, 136, 216)
HSL	hsl(209, 68%, 53%)
HSV	hsv(209, 75%, 85%)
CMYK	cmyk(75.5%, 37%, 0%, 15.3%)
CIE-LAB	lab(55.40, 2.28, -48.07)
CIE-LCH	lch(55.40, 48.12, 272.72°)
OKLab	oklab(61.52% -0.0477 -0.137)
OKLCH	oklch(61.52% 0.145 250.8)
XYZ	xyz(22.6623, 23.3204, 68.2593)
Luminance	0.2332 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3588D8 #D88535

analogous

#35D8D7 #3588D8 #3536D8

triadic

#3588D8 #D83588 #88D835

tetradic

#3588D8 #D735D8 #D88535 #36D835

square

#3588D8 #D735D8 #D88535 #36D835

split-complementary

#3588D8 #D83536 #D8D735

monochromatic

#184A7B #2269AE #3588D8 #68A6E2 #9CC4EC

Accessibility & contrast

On white

3.71

#3588D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#3588D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3588D8

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3588D8	#FFFFFF	#000000	##000000
##3588D8	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#638DDB

Deuteranopia (green-blind)

#4A7ED6

Tritanopia (blue-blind)

#009BA6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3588d8;
/* rgb */ color: rgb(53, 136, 216);
/* oklch */ color: oklch(61.5% 0.145 250.8);

Tailwind

colors: {
  custom: {
    50: '#82aae4',
    500: '#3588d8',
    950: '#000000',
  },
}

SCSS

$custom: #3588d8;
$custom-light: #82aae4;
$custom-dark: #000000;

JSON

{
  "hex": "#3588d8",
  "rgb": {
    "r": 53,
    "g": 136,
    "b": 216
  },
  "hsl": {
    "h": 209.448,
    "s": 67.635,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61523,
    "c": 0.14504,
    "h": 250.8
  },
  "luminance": 0.23323
}

Semantic roles & 50–950 ramp

primary

#3588D8

secondary

#D8B491

accent

#923DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F15

muted

#7D7F84

Preview Lab

Preview with #3588D8

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

Preview Lab → · Contrast checker → · Palette generator →