#3F7CC5#3F7CC5

#3F7CC5 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.1% C 0.129 H 254.3°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CC5
RGB	rgb(63, 124, 197)
HSL	hsl(213, 54%, 51%)
HSV	hsv(213, 68%, 77%)
CMYK	cmyk(68%, 37.1%, 0%, 22.7%)
CIE-LAB	lab(51.27, 4.10, -43.84)
CIE-LCH	lch(51.27, 44.03, 275.34°)
OKLab	oklab(58.06% -0.0349 -0.1246)
OKLCH	oklch(58.06% 0.129 254.3)
XYZ	xyz(19.3319, 19.5013, 55.5578)
Luminance	0.1950 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CC5 #C5883F

analogous

#3FBFC5 #3F7CC5 #453FC5

triadic

#3F7CC5 #C53F7C #7CC53F

tetradic

#3F7CC5 #C53FBF #C5883F #3FC545

square

#3F7CC5 #C53FBF #C5883F #3FC545

split-complementary

#3F7CC5 #C5453F #BFC53F

monochromatic

#20416A #2E5F99 #3F7CC5 #6E9CD3 #9DBCE1

Accessibility & contrast

On white

4.29

#3F7CC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#3F7CC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CC5

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CC5	#FFFFFF	#000000	##000000
##3F7CC5	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B81C8

Deuteranopia (green-blind)

#4874C4

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3f7cc5;
/* rgb */ color: rgb(63, 124, 197);
/* oklch */ color: oklch(58.1% 0.129 254.3);

Tailwind

colors: {
  custom: {
    50: '#82a1d7',
    500: '#3f7cc5',
    950: '#000000',
  },
}

SCSS

$custom: #3f7cc5;
$custom-light: #82a1d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7cc5",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 197
  },
  "hsl": {
    "h": 212.687,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58057,
    "c": 0.12943,
    "h": 254.3
  },
  "luminance": 0.19503
}

Semantic roles & 50–950 ramp

primary

#3F7CC5

secondary

#CEB392

accent

#9A4BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7CC5

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

Preview Lab → · Contrast checker → · Palette generator →