#3F7CCC#3F7CCC

#3F7CCC is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.5% C 0.139 H 256.1°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CCC
RGB	rgb(63, 124, 204)
HSL	hsl(214, 58%, 52%)
HSV	hsv(214, 69%, 80%)
CMYK	cmyk(69.1%, 39.2%, 0%, 20%)
CIE-LAB	lab(51.64, 6.58, -47.23)
CIE-LCH	lch(51.64, 47.69, 277.93°)
OKLab	oklab(58.47% -0.0332 -0.1346)
OKLCH	oklch(58.47% 0.139 256.1)
XYZ	xyz(20.1527, 19.8296, 59.8805)
Luminance	0.1983 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CCC #CC8F3F

analogous

#3FC2CC #3F7CCC #493FCC

triadic

#3F7CCC #CC3F7C #7CCC3F

tetradic

#3F7CCC #CC3FC2 #CC8F3F #3FCC49

square

#3F7CCC #CC3FC2 #CC8F3F #3FCC49

split-complementary

#3F7CCC #CC493F #C2CC3F

monochromatic

#1E4372 #2B5FA3 #3F7CCC #6F9DD9 #A0BEE6

Accessibility & contrast

On white

4.23

#3F7CCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#3F7CCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CCC

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CCC	#FFFFFF	#000000	##000000
##3F7CCC	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5782CF

Deuteranopia (green-blind)

#4275CA

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f7ccc;
/* rgb */ color: rgb(63, 124, 204);
/* oklch */ color: oklch(58.5% 0.139 256.1);

Tailwind

colors: {
  custom: {
    50: '#84a1dc',
    500: '#3f7ccc',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ccc;
$custom-light: #84a1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ccc",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 204
  },
  "hsl": {
    "h": 214.043,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58471,
    "c": 0.13863,
    "h": 256.1
  },
  "luminance": 0.19832
}

Semantic roles & 50–950 ramp

primary

#3F7CCC

secondary

#D2B895

accent

#9E47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3F7CCC

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

Preview Lab → · Contrast checker → · Palette generator →