#3F7CC4#3F7CC4

#3F7CC4 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.0% C 0.128 H 254.1°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CC4
RGB	rgb(63, 124, 196)
HSL	hsl(212, 53%, 51%)
HSV	hsv(212, 68%, 77%)
CMYK	cmyk(67.9%, 36.7%, 0%, 23.1%)
CIE-LAB	lab(51.22, 3.74, -43.35)
CIE-LCH	lch(51.22, 43.51, 274.93°)
OKLab	oklab(58% -0.0352 -0.1232)
OKLCH	oklch(58% 0.128 254.1)
XYZ	xyz(19.2177, 19.4556, 54.9564)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CC4 #C4873F

analogous

#3FBEC4 #3F7CC4 #443FC4

triadic

#3F7CC4 #C43F7C #7CC43F

tetradic

#3F7CC4 #C43FBE #C4873F #3FC444

square

#3F7CC4 #C43FBE #C4873F #3FC444

split-complementary

#3F7CC4 #C4443F #BEC43F

monochromatic

#204168 #2E5F97 #3F7CC4 #6E9CD2 #9DBCE1

Accessibility & contrast

On white

4.29

#3F7CC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3F7CC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CC4

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CC4	#FFFFFF	#000000	##000000
##3F7CC4	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C81C7

Deuteranopia (green-blind)

#4974C3

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3f7cc4;
/* rgb */ color: rgb(63, 124, 196);
/* oklch */ color: oklch(58.0% 0.128 254.1);

Tailwind

colors: {
  custom: {
    50: '#82a1d6',
    500: '#3f7cc4',
    950: '#000000',
  },
}

SCSS

$custom: #3f7cc4;
$custom-light: #82a1d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7cc4",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 196
  },
  "hsl": {
    "h": 212.481,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57998,
    "c": 0.12812,
    "h": 254.1
  },
  "luminance": 0.19458
}

Semantic roles & 50–950 ramp

primary

#3F7CC4

secondary

#CDB292

accent

#9A4BDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7CC4

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

Preview Lab → · Contrast checker → · Palette generator →