#3587C8#3587C8

#3587C8 is a mid, vivid cyan. Relative luminance 0.223; OKLCH L 60.4% C 0.126 H 246.1°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3587C8
RGB	rgb(53, 135, 200)
HSL	hsl(207, 58%, 50%)
HSV	hsv(207, 74%, 78%)
CMYK	cmyk(73.5%, 32.5%, 0%, 21.6%)
CIE-LAB	lab(54.29, -2.88, -40.78)
CIE-LCH	lch(54.29, 40.89, 265.96°)
OKLab	oklab(60.39% -0.0511 -0.1157)
OKLCH	oklch(60.39% 0.126 246.1)
XYZ	xyz(20.5535, 22.2526, 57.8443)
Luminance	0.2225 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3587C8 #C87635

analogous

#35C8C0 #3587C8 #353DC8

triadic

#3587C8 #C83587 #87C835

tetradic

#3587C8 #C035C8 #C87635 #3DC835

square

#3587C8 #C035C8 #C87635 #3DC835

split-complementary

#3587C8 #C8353D #C8C035

monochromatic

#1B4667 #286698 #3587C8 #64A4D6 #95C0E3

Accessibility & contrast

On white

3.85

#3587C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#3587C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3587C8

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3587C8	#FFFFFF	#000000	##000000
##3587C8	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6989CB

Deuteranopia (green-blind)

#557CC7

Tritanopia (blue-blind)

#00979E

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3587c8;
/* rgb */ color: rgb(53, 135, 200);
/* oklch */ color: oklch(60.4% 0.126 246.1);

Tailwind

colors: {
  custom: {
    50: '#7fa9d9',
    500: '#3587c8',
    950: '#000000',
  },
}

SCSS

$custom: #3587c8;
$custom-light: #7fa9d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3587c8",
  "rgb": {
    "r": 53,
    "g": 135,
    "b": 200
  },
  "hsl": {
    "h": 206.531,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.60387,
    "c": 0.12648,
    "h": 246.1
  },
  "luminance": 0.22255
}

Semantic roles & 50–950 ramp

primary

#3587C8

secondary

#CEA98B

accent

#8B46E1

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3587C8

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

Preview Lab → · Contrast checker → · Palette generator →