#3F7CC3#3F7CC3

#3F7CC3 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 57.9% C 0.127 H 253.8°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CC3
RGB	rgb(63, 124, 195)
HSL	hsl(212, 52%, 51%)
HSV	hsv(212, 68%, 76%)
CMYK	cmyk(67.7%, 36.4%, 0%, 23.5%)
CIE-LAB	lab(51.16, 3.39, -42.86)
CIE-LCH	lch(51.16, 42.99, 274.52°)
OKLab	oklab(57.94% -0.0354 -0.1218)
OKLCH	oklch(57.94% 0.127 253.8)
XYZ	xyz(19.1043, 19.4102, 54.3589)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CC3 #C3863F

analogous

#3FBEC3 #3F7CC3 #443FC3

triadic

#3F7CC3 #C33F7C #7CC33F

tetradic

#3F7CC3 #C33FBE #C3863F #3FC344

square

#3F7CC3 #C33FBE #C3863F #3FC344

split-complementary

#3F7CC3 #C3443F #BEC33F

monochromatic

#204167 #2F5E96 #3F7CC3 #6E9CD2 #9CBCE0

Accessibility & contrast

On white

4.30

#3F7CC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#3F7CC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CC3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CC3	#FFFFFF	#000000	##000000
##3F7CC3	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C81C6

Deuteranopia (green-blind)

#4974C2

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3f7cc3;
/* rgb */ color: rgb(63, 124, 195);
/* oklch */ color: oklch(57.9% 0.127 253.8);

Tailwind

colors: {
  custom: {
    50: '#82a1d5',
    500: '#3f7cc3',
    950: '#000000',
  },
}

SCSS

$custom: #3f7cc3;
$custom-light: #82a1d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7cc3",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 195
  },
  "hsl": {
    "h": 212.273,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57941,
    "c": 0.12682,
    "h": 253.8
  },
  "luminance": 0.19412
}

Semantic roles & 50–950 ramp

primary

#3F7CC3

secondary

#CCB192

accent

#994CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F7CC3

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

Preview Lab → · Contrast checker → · Palette generator →