#3584C8#3584C8

#3584C8 is a mid, vivid cyan. Relative luminance 0.214; OKLCH L 59.7% C 0.129 H 248.0°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3584C8
RGB	rgb(53, 132, 200)
HSL	hsl(208, 58%, 50%)
HSV	hsv(208, 74%, 78%)
CMYK	cmyk(73.5%, 34%, 0%, 21.6%)
CIE-LAB	lab(53.41, -1.11, -42.17)
CIE-LCH	lch(53.41, 42.19, 268.50°)
OKLab	oklab(59.69% -0.0483 -0.1198)
OKLCH	oklch(59.69% 0.129 248)
XYZ	xyz(20.1408, 21.4273, 57.7068)
Luminance	0.2143 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3584C8 #C87935

analogous

#35C8C3 #3584C8 #353BC8

triadic

#3584C8 #C83584 #84C835

tetradic

#3584C8 #C335C8 #C87935 #3BC835

square

#3584C8 #C335C8 #C87935 #3BC835

split-complementary

#3584C8 #C8353B #C8C335

monochromatic

#1B4467 #286498 #3584C8 #64A1D6 #95BFE3

Accessibility & contrast

On white

3.97

#3584C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#3584C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3584C8

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3584C8	#FFFFFF	#000000	##000000
##3584C8	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6587CB

Deuteranopia (green-blind)

#5079C7

Tritanopia (blue-blind)

#00949D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3584c8;
/* rgb */ color: rgb(53, 132, 200);
/* oklch */ color: oklch(59.7% 0.129 248.0);

Tailwind

colors: {
  custom: {
    50: '#7fa7d9',
    500: '#3584c8',
    950: '#000000',
  },
}

SCSS

$custom: #3584c8;
$custom-light: #7fa7d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3584c8",
  "rgb": {
    "r": 53,
    "g": 132,
    "b": 200
  },
  "hsl": {
    "h": 207.755,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.59694,
    "c": 0.12916,
    "h": 248
  },
  "luminance": 0.2143
}

Semantic roles & 50–950 ramp

primary

#3584C8

secondary

#CEAA8B

accent

#8E46E1

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3584C8

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

Preview Lab → · Contrast checker → · Palette generator →