#3F87C3#3F87C3

#3F87C3 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.5% C 0.117 H 246.5°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3F87C3
RGB	rgb(63, 135, 195)
HSL	hsl(207, 52%, 51%)
HSV	hsv(207, 68%, 76%)
CMYK	cmyk(67.7%, 30.8%, 0%, 23.5%)
CIE-LAB	lab(54.37, -3.16, -37.81)
CIE-LCH	lch(54.37, 37.94, 265.22°)
OKLab	oklab(60.46% -0.0465 -0.1069)
OKLCH	oklch(60.46% 0.117 246.5)
XYZ	xyz(20.5605, 22.3227, 54.8443)
Luminance	0.2233 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F87C3 #C37B3F

analogous

#3FC3BD #3F87C3 #3F45C3

triadic

#3F87C3 #C33F87 #87C33F

tetradic

#3F87C3 #BD3FC3 #C37B3F #45C33F

square

#3F87C3 #BD3FC3 #C37B3F #45C33F

split-complementary

#3F87C3 #C33F45 #C3BD3F

monochromatic

#204767 #2F6796 #3F87C3 #6EA4D2 #9CC1E0

Accessibility & contrast

On white

3.84

#3F87C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#3F87C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F87C3

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F87C3	#FFFFFF	#000000	##000000
##3F87C3	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C89C6

Deuteranopia (green-blind)

#5A7CC2

Tritanopia (blue-blind)

#00959C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f87c3;
/* rgb */ color: rgb(63, 135, 195);
/* oklch */ color: oklch(60.5% 0.117 246.5);

Tailwind

colors: {
  custom: {
    50: '#82a9d5',
    500: '#3f87c3',
    950: '#000000',
  },
}

SCSS

$custom: #3f87c3;
$custom-light: #82a9d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f87c3",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 195
  },
  "hsl": {
    "h": 207.273,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.60455,
    "c": 0.11657,
    "h": 246.5
  },
  "luminance": 0.22325
}

Semantic roles & 50–950 ramp

primary

#3F87C3

secondary

#CCAC92

accent

#8D4CDC

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3F87C3

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

Preview Lab → · Contrast checker → · Palette generator →