#3C87CB#3C87CB

#3C87CB is a mid, vivid cyan. Relative luminance 0.226; OKLCH L 60.8% C 0.127 H 248.8°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#3C87CB
RGB	rgb(60, 135, 203)
HSL	hsl(209, 58%, 52%)
HSV	hsv(209, 70%, 80%)
CMYK	cmyk(70.4%, 33.5%, 0%, 20.4%)
CIE-LAB	lab(54.66, -0.83, -41.90)
CIE-LCH	lch(54.66, 41.91, 268.86°)
OKLab	oklab(60.78% -0.0461 -0.1189)
OKLCH	oklch(60.78% 0.127 248.8)
XYZ	xyz(21.3029, 22.5981, 59.7275)
Luminance	0.2260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C87CB #CB803C

analogous

#3CCBC7 #3C87CB #3C40CB

triadic

#3C87CB #CB3C87 #87CB3C

tetradic

#3C87CB #C73CCB #CB803C #40CB3C

square

#3C87CB #C73CCB #CB803C #40CB3C

split-complementary

#3C87CB #CB3C40 #CBC73C

monochromatic

#1E486F #2A689F #3C87CB #6CA5D8 #9DC2E5

Accessibility & contrast

On white

3.80

#3C87CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#3C87CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C87CB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C87CB	#FFFFFF	#000000	##000000
##3C87CB	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688ACE

Deuteranopia (green-blind)

#547DCA

Tritanopia (blue-blind)

#0097A0

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3c87cb;
/* rgb */ color: rgb(60, 135, 203);
/* oklch */ color: oklch(60.8% 0.127 248.8);

Tailwind

colors: {
  custom: {
    50: '#82a9db',
    500: '#3c87cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c87cb;
$custom-light: #82a9db;
$custom-dark: #000000;

JSON

{
  "hex": "#3c87cb",
  "rgb": {
    "r": 60,
    "g": 135,
    "b": 203
  },
  "hsl": {
    "h": 208.531,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.60781,
    "c": 0.12749,
    "h": 248.8
  },
  "luminance": 0.226
}

Semantic roles & 50–950 ramp

primary

#3C87CB

secondary

#D1B092

accent

#9047E1

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3C87CB

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

Preview Lab → · Contrast checker → · Palette generator →