#3F87C5#3F87C5

#3F87C5 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.6% C 0.119 H 247.3°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3F87C5
RGB	rgb(63, 135, 197)
HSL	hsl(208, 54%, 51%)
HSV	hsv(208, 68%, 77%)
CMYK	cmyk(68%, 31.5%, 0%, 22.7%)
CIE-LAB	lab(54.46, -2.47, -38.79)
CIE-LCH	lch(54.46, 38.87, 266.36°)
OKLab	oklab(60.56% -0.0459 -0.1098)
OKLCH	oklch(60.56% 0.119 247.3)
XYZ	xyz(20.7881, 22.4137, 56.0432)
Luminance	0.2242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F87C5 #C57D3F

analogous

#3FC5C0 #3F87C5 #3F44C5

triadic

#3F87C5 #C53F87 #87C53F

tetradic

#3F87C5 #C03FC5 #C57D3F #44C53F

square

#3F87C5 #C03FC5 #C57D3F #44C53F

split-complementary

#3F87C5 #C53F44 #C5C03F

monochromatic

#20486A #2E6799 #3F87C5 #6EA4D3 #9DC2E1

Accessibility & contrast

On white

3.83

#3F87C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3F87C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F87C5

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F87C5	#FFFFFF	#000000	##000000
##3F87C5	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B89C8

Deuteranopia (green-blind)

#597DC4

Tritanopia (blue-blind)

#00969D

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f87c5;
/* rgb */ color: rgb(63, 135, 197);
/* oklch */ color: oklch(60.6% 0.119 247.3);

Tailwind

colors: {
  custom: {
    50: '#83a9d7',
    500: '#3f87c5',
    950: '#000000',
  },
}

SCSS

$custom: #3f87c5;
$custom-light: #83a9d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f87c5",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 197
  },
  "hsl": {
    "h": 207.761,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.60561,
    "c": 0.11897,
    "h": 247.3
  },
  "luminance": 0.22416
}

Semantic roles & 50–950 ramp

primary

#3F87C5

secondary

#CEAE92

accent

#8E4BDD

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3F87C5

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

Preview Lab → · Contrast checker → · Palette generator →