#3F7DC4#3F7DC4

#3F7DC4 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.2% C 0.127 H 253.5°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DC4
RGB	rgb(63, 125, 196)
HSL	hsl(212, 53%, 51%)
HSV	hsv(212, 68%, 77%)
CMYK	cmyk(67.9%, 36.2%, 0%, 23.1%)
CIE-LAB	lab(51.50, 3.14, -42.89)
CIE-LCH	lch(51.50, 43.01, 274.18°)
OKLab	oklab(58.22% -0.0362 -0.1218)
OKLCH	oklch(58.22% 0.127 253.5)
XYZ	xyz(19.3437, 19.7075, 54.9983)
Luminance	0.1971 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DC4 #C4863F

analogous

#3FBFC4 #3F7DC4 #433FC4

triadic

#3F7DC4 #C43F7D #7DC43F

tetradic

#3F7DC4 #C43FBF #C4863F #3FC443

square

#3F7DC4 #C43FBF #C4863F #3FC443

split-complementary

#3F7DC4 #C4433F #BFC43F

monochromatic

#204268 #2E5F97 #3F7DC4 #6E9DD2 #9DBCE1

Accessibility & contrast

On white

4.25

#3F7DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#3F7DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DC4

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DC4	#FFFFFF	#000000	##000000
##3F7DC4	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D82C7

Deuteranopia (green-blind)

#4A75C3

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f7dc4;
/* rgb */ color: rgb(63, 125, 196);
/* oklch */ color: oklch(58.2% 0.127 253.5);

Tailwind

colors: {
  custom: {
    50: '#82a2d6',
    500: '#3f7dc4',
    950: '#000000',
  },
}

SCSS

$custom: #3f7dc4;
$custom-light: #82a2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7dc4",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 196
  },
  "hsl": {
    "h": 212.03,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.58224,
    "c": 0.1271,
    "h": 253.5
  },
  "luminance": 0.1971
}

Semantic roles & 50–950 ramp

primary

#3F7DC4

secondary

#CDB192

accent

#994BDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #3F7DC4

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

Preview Lab → · Contrast checker → · Palette generator →