#3F7EC4#3F7EC4

#3F7EC4 is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.5% C 0.126 H 252.9°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3F7EC4
RGB	rgb(63, 126, 196)
HSL	hsl(212, 53%, 51%)
HSV	hsv(212, 68%, 77%)
CMYK	cmyk(67.9%, 35.7%, 0%, 23.1%)
CIE-LAB	lab(51.79, 2.53, -42.43)
CIE-LCH	lch(51.79, 42.51, 273.42°)
OKLab	oklab(58.45% -0.0371 -0.1205)
OKLCH	oklch(58.45% 0.126 252.9)
XYZ	xyz(19.4709, 19.9620, 55.0408)
Luminance	0.1996 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7EC4 #C4853F

analogous

#3FC0C4 #3F7EC4 #423FC4

triadic

#3F7EC4 #C43F7E #7EC43F

tetradic

#3F7EC4 #C43FC0 #C4853F #3FC442

square

#3F7EC4 #C43FC0 #C4853F #3FC442

split-complementary

#3F7EC4 #C4423F #C0C43F

monochromatic

#204268 #2E6097 #3F7EC4 #6E9DD2 #9DBDE1

Accessibility & contrast

On white

4.21

#3F7EC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#3F7EC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EC4

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7EC4	#FFFFFF	#000000	##000000
##3F7EC4	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F82C7

Deuteranopia (green-blind)

#4C76C3

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f7ec4;
/* rgb */ color: rgb(63, 126, 196);
/* oklch */ color: oklch(58.5% 0.126 252.9);

Tailwind

colors: {
  custom: {
    50: '#82a3d6',
    500: '#3f7ec4',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ec4;
$custom-light: #82a3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ec4",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 196
  },
  "hsl": {
    "h": 211.579,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5845,
    "c": 0.1261,
    "h": 252.9
  },
  "luminance": 0.19964
}

Semantic roles & 50–950 ramp

primary

#3F7EC4

secondary

#CDB192

accent

#984BDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #3F7EC4

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

Preview Lab → · Contrast checker → · Palette generator →