#3F87CE#3F87CE

#3F87CE is a mid, vivid cyan. Relative luminance 0.228; OKLCH L 61.1% C 0.130 H 250.5°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3F87CE
RGB	rgb(63, 135, 206)
HSL	hsl(210, 59%, 53%)
HSV	hsv(210, 69%, 81%)
CMYK	cmyk(69.4%, 34.5%, 0%, 19.2%)
CIE-LAB	lab(54.91, 0.67, -43.20)
CIE-LCH	lch(54.91, 43.20, 270.89°)
OKLab	oklab(61.05% -0.0433 -0.1226)
OKLCH	oklch(61.05% 0.13 250.5)
XYZ	xyz(21.8503, 22.8386, 61.6373)
Luminance	0.2284 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F87CE #CE863F

analogous

#3FCECD #3F87CE #3F40CE

triadic

#3F87CE #CE3F87 #87CE3F

tetradic

#3F87CE #CD3FCE #CE863F #40CE3F

square

#3F87CE #CD3FCE #CE863F #40CE3F

split-complementary

#3F87CE #CE3F40 #CECD3F

monochromatic

#1E4A75 #2A68A6 #3F87CE #70A5DA #A1C4E7

Accessibility & contrast

On white

3.77

#3F87CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#3F87CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F87CE

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F87CE	#FFFFFF	#000000	##000000
##3F87CE	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678BD1

Deuteranopia (green-blind)

#537DCD

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f87ce;
/* rgb */ color: rgb(63, 135, 206);
/* oklch */ color: oklch(61.1% 0.130 250.5);

Tailwind

colors: {
  custom: {
    50: '#84a9dd',
    500: '#3f87ce',
    950: '#000000',
  },
}

SCSS

$custom: #3f87ce;
$custom-light: #84a9dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f87ce",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 206
  },
  "hsl": {
    "h": 209.79,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.61054,
    "c": 0.13005,
    "h": 250.5
  },
  "luminance": 0.22841
}

Semantic roles & 50–950 ramp

primary

#3F87CE

secondary

#D3B495

accent

#9345E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F87CE

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

Preview Lab → · Contrast checker → · Palette generator →