#3587C4#3587C4

#3587C4 is a mid, vivid cyan. Relative luminance 0.221; OKLCH L 60.2% C 0.122 H 244.5°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3587C4
RGB	rgb(53, 135, 196)
HSL	hsl(206, 57%, 49%)
HSV	hsv(206, 73%, 77%)
CMYK	cmyk(73%, 31.1%, 0%, 23.1%)
CIE-LAB	lab(54.10, -4.30, -38.82)
CIE-LCH	lch(54.10, 39.06, 263.68°)
OKLab	oklab(60.17% -0.0523 -0.1099)
OKLCH	oklch(60.17% 0.122 244.5)
XYZ	xyz(20.0921, 22.0681, 55.4145)
Luminance	0.2207 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3587C4 #C47235

analogous

#35C4BA #3587C4 #3540C4

triadic

#3587C4 #C43587 #87C435

tetradic

#3587C4 #BA35C4 #C47235 #40C435

square

#3587C4 #BA35C4 #C47235 #40C435

split-complementary

#3587C4 #C43540 #C4BA35

monochromatic

#1B4564 #286694 #3587C4 #62A4D4 #92C0E1

Accessibility & contrast

On white

3.88

#3587C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#3587C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3587C4

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3587C4	#FFFFFF	#000000	##000000
##3587C4	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B89C7

Deuteranopia (green-blind)

#577BC3

Tritanopia (blue-blind)

#00969D

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3587c4;
/* rgb */ color: rgb(53, 135, 196);
/* oklch */ color: oklch(60.2% 0.122 244.5);

Tailwind

colors: {
  custom: {
    50: '#7ea9d6',
    500: '#3587c4',
    950: '#000000',
  },
}

SCSS

$custom: #3587c4;
$custom-light: #7ea9d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3587c4",
  "rgb": {
    "r": 53,
    "g": 135,
    "b": 196
  },
  "hsl": {
    "h": 205.594,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.6017,
    "c": 0.12177,
    "h": 244.5
  },
  "luminance": 0.2207
}

Semantic roles & 50–950 ramp

primary

#3587C4

secondary

#CCA588

accent

#8947E1

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3587C4

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

Preview Lab → · Contrast checker → · Palette generator →