#3F77C2#3F77C2

#3F77C2 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.8% C 0.131 H 256.4°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F77C2
RGB	rgb(63, 119, 194)
HSL	hsl(214, 52%, 50%)
HSV	hsv(214, 68%, 76%)
CMYK	cmyk(67.5%, 38.7%, 0%, 23.9%)
CIE-LAB	lab(49.67, 6.08, -44.66)
CIE-LCH	lch(49.67, 45.07, 277.76°)
OKLab	oklab(56.76% -0.0307 -0.1271)
OKLCH	oklch(56.76% 0.131 256.4)
XYZ	xyz(18.3808, 18.1436, 53.5619)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F77C2 #C28A3F

analogous

#3FB9C2 #3F77C2 #483FC2

triadic

#3F77C2 #C23F77 #77C23F

tetradic

#3F77C2 #C23FB9 #C28A3F #3FC248

square

#3F77C2 #C23FB9 #C28A3F #3FC248

split-complementary

#3F77C2 #C2483F #B9C23F

monochromatic

#203E66 #2F5B95 #3F77C2 #6D98D1 #9CB9E0

Accessibility & contrast

On white

4.54

#3F77C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#3F77C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F77C2

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F77C2	#FFFFFF	#000000	##000000
##3F77C2	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557DC5

Deuteranopia (green-blind)

#4270C0

Tritanopia (blue-blind)

#008893

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3f77c2;
/* rgb */ color: rgb(63, 119, 194);
/* oklch */ color: oklch(56.8% 0.131 256.4);

Tailwind

colors: {
  custom: {
    50: '#829dd5',
    500: '#3f77c2',
    950: '#000000',
  },
}

SCSS

$custom: #3f77c2;
$custom-light: #829dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f77c2",
  "rgb": {
    "r": 63,
    "g": 119,
    "b": 194
  },
  "hsl": {
    "h": 214.351,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56758,
    "c": 0.13076,
    "h": 256.4
  },
  "luminance": 0.18145
}

Semantic roles & 50–950 ramp

primary

#3F77C2

secondary

#CCB391

accent

#9E4DDB

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #3F77C2

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

Preview Lab → · Contrast checker → · Palette generator →