#3F87E2#3F87E2

#3F87E2 is a light, vivid cyan. Relative luminance 0.239; OKLCH L 62.2% C 0.155 H 255.7°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F87E2
RGB	rgb(63, 135, 226)
HSL	hsl(213, 74%, 57%)
HSV	hsv(213, 72%, 89%)
CMYK	cmyk(72.1%, 40.3%, 0%, 11.4%)
CIE-LAB	lab(55.96, 7.76, -52.76)
CIE-LCH	lch(55.96, 53.33, 278.37°)
OKLab	oklab(62.22% -0.0385 -0.1506)
OKLCH	oklch(62.22% 0.155 255.7)
XYZ	xyz(24.4363, 23.8730, 75.2569)
Luminance	0.2388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F87E2 #E29A3F

analogous

#3FD9E2 #3F87E2 #493FE2

triadic

#3F87E2 #E23F87 #87E23F

tetradic

#3F87E2 #E23FD9 #E29A3F #3FE249

square

#3F87E2 #E23FD9 #E29A3F #3FE249

split-complementary

#3F87E2 #E2493F #D9E23F

monochromatic

#164C91 #1E68C6 #3F87E2 #74A8EA #A9C9F2

Accessibility & contrast

On white

3.64

#3F87E2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#3F87E2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F87E2

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F87E2	#FFFFFF	#000000	##000000
##3F87E2	1.00	3.64	5.78	5.78
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C8EE6

Deuteranopia (green-blind)

#417FE0

Tritanopia (blue-blind)

#009CA9

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3f87e2;
/* rgb */ color: rgb(63, 135, 226);
/* oklch */ color: oklch(62.2% 0.155 255.7);

Tailwind

colors: {
  custom: {
    50: '#88a9eb',
    500: '#3f87e2',
    950: '#000000',
  },
}

SCSS

$custom: #3f87e2;
$custom-light: #88a9eb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f87e2",
  "rgb": {
    "r": 63,
    "g": 135,
    "b": 226
  },
  "hsl": {
    "h": 213.497,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.62221,
    "c": 0.15547,
    "h": 255.7
  },
  "luminance": 0.23876
}

Semantic roles & 50–950 ramp

primary

#3F87E2

secondary

#E0C29D

accent

#9F37F0

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #3F87E2

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

Preview Lab → · Contrast checker → · Palette generator →