#3F7DC0#3F7DC0

#3F7DC0 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.0% C 0.122 H 252.2°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DC0
RGB	rgb(63, 125, 192)
HSL	hsl(211, 51%, 50%)
HSV	hsv(211, 67%, 75%)
CMYK	cmyk(67.2%, 34.9%, 0%, 24.7%)
CIE-LAB	lab(51.30, 1.73, -40.93)
CIE-LCH	lch(51.30, 40.97, 272.42°)
OKLab	oklab(58% -0.0372 -0.1161)
OKLCH	oklch(58% 0.122 252.2)
XYZ	xyz(18.8944, 19.5278, 52.6324)
Luminance	0.1953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DC0 #C0823F

analogous

#3FBDC0 #3F7DC0 #423FC0

triadic

#3F7DC0 #C03F7D #7DC03F

tetradic

#3F7DC0 #C03FBD #C0823F #3FC042

square

#3F7DC0 #C03FBD #C0823F #3FC042

split-complementary

#3F7DC0 #C0423F #BDC03F

monochromatic

#214164 #305F92 #3F7DC0 #6D9CCF #9BBBDE

Accessibility & contrast

On white

4.28

#3F7DC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#3F7DC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DC0

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DC0	#FFFFFF	#000000	##000000
##3F7DC0	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F81C3

Deuteranopia (green-blind)

#4D75BF

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3f7dc0;
/* rgb */ color: rgb(63, 125, 192);
/* oklch */ color: oklch(58.0% 0.122 252.2);

Tailwind

colors: {
  custom: {
    50: '#82a2d3',
    500: '#3f7dc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f7dc0;
$custom-light: #82a2d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7dc0",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 192
  },
  "hsl": {
    "h": 211.163,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.57996,
    "c": 0.12194,
    "h": 252.2
  },
  "luminance": 0.1953
}

Semantic roles & 50–950 ramp

primary

#3F7DC0

secondary

#CAAF91

accent

#974EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #3F7DC0

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

Preview Lab → · Contrast checker → · Palette generator →