#3F7BC7#3F7BC7

#3F7BC7 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 58.0% C 0.133 H 255.4°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F7BC7
RGB	rgb(63, 123, 199)
HSL	hsl(214, 55%, 51%)
HSV	hsv(214, 68%, 78%)
CMYK	cmyk(68.3%, 38.2%, 0%, 22%)
CIE-LAB	lab(51.09, 5.41, -45.27)
CIE-LCH	lch(51.09, 45.59, 276.82°)
OKLab	oklab(57.95% -0.0334 -0.1288)
OKLCH	oklch(57.95% 0.133 255.4)
XYZ	xyz(19.4379, 19.3442, 56.7312)
Luminance	0.1935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7BC7 #C78B3F

analogous

#3FBFC7 #3F7BC7 #473FC7

triadic

#3F7BC7 #C73F7B #7BC73F

tetradic

#3F7BC7 #C73FBF #C78B3F #3FC747

square

#3F7BC7 #C73FBF #C78B3F #3FC747

split-complementary

#3F7BC7 #C7473F #BFC73F

monochromatic

#20416C #2D5E9B #3F7BC7 #6E9CD5 #9EBCE3

Accessibility & contrast

On white

4.31

#3F7BC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#3F7BC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7BC7

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7BC7	#FFFFFF	#000000	##000000
##3F7BC7	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5981CA

Deuteranopia (green-blind)

#4474C5

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3f7bc7;
/* rgb */ color: rgb(63, 123, 199);
/* oklch */ color: oklch(58.0% 0.133 255.4);

Tailwind

colors: {
  custom: {
    50: '#83a0d8',
    500: '#3f7bc7',
    950: '#000000',
  },
}

SCSS

$custom: #3f7bc7;
$custom-light: #83a0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7bc7",
  "rgb": {
    "r": 63,
    "g": 123,
    "b": 199
  },
  "hsl": {
    "h": 213.529,
    "s": 54.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.5795,
    "c": 0.1331,
    "h": 255.4
  },
  "luminance": 0.19346
}

Semantic roles & 50–950 ramp

primary

#3F7BC7

secondary

#CFB493

accent

#9D4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7BC7

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

Preview Lab → · Contrast checker → · Palette generator →