#3F7EC7#3F7EC7

#3F7EC7 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.6% C 0.130 H 253.7°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F7EC7
RGB	rgb(63, 126, 199)
HSL	hsl(212, 55%, 51%)
HSV	hsv(212, 68%, 78%)
CMYK	cmyk(68.3%, 36.7%, 0%, 22%)
CIE-LAB	lab(51.95, 3.59, -43.90)
CIE-LCH	lch(51.95, 44.05, 274.68°)
OKLab	oklab(58.62% -0.0364 -0.1248)
OKLCH	oklch(58.62% 0.13 253.7)
XYZ	xyz(19.8158, 20.0999, 56.8571)
Luminance	0.2010 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7EC7 #C7883F

analogous

#3FC2C7 #3F7EC7 #443FC7

triadic

#3F7EC7 #C73F7E #7EC73F

tetradic

#3F7EC7 #C73FC2 #C7883F #3FC744

square

#3F7EC7 #C73FC2 #C7883F #3FC744

split-complementary

#3F7EC7 #C7443F #C2C73F

monochromatic

#20436C #2D609B #3F7EC7 #6E9ED5 #9EBEE3

Accessibility & contrast

On white

4.18

#3F7EC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#3F7EC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EC7

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7EC7	#FFFFFF	#000000	##000000
##3F7EC7	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D83CA

Deuteranopia (green-blind)

#4A76C6

Tritanopia (blue-blind)

#008F99

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f7ec7;
/* rgb */ color: rgb(63, 126, 199);
/* oklch */ color: oklch(58.6% 0.130 253.7);

Tailwind

colors: {
  custom: {
    50: '#83a3d8',
    500: '#3f7ec7',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ec7;
$custom-light: #83a3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ec7",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 199
  },
  "hsl": {
    "h": 212.206,
    "s": 54.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58623,
    "c": 0.12998,
    "h": 253.7
  },
  "luminance": 0.20102
}

Semantic roles & 50–950 ramp

primary

#3F7EC7

secondary

#CFB393

accent

#994ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #3F7EC7

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

Preview Lab → · Contrast checker → · Palette generator →