#3F7DC3#3F7DC3

#3F7DC3 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.2% C 0.126 H 253.2°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DC3
RGB	rgb(63, 125, 195)
HSL	hsl(212, 52%, 51%)
HSV	hsv(212, 68%, 76%)
CMYK	cmyk(67.7%, 35.9%, 0%, 23.5%)
CIE-LAB	lab(51.45, 2.78, -42.40)
CIE-LCH	lch(51.45, 42.49, 273.76°)
OKLab	oklab(58.17% -0.0364 -0.1204)
OKLCH	oklch(58.17% 0.126 253.2)
XYZ	xyz(19.2302, 19.6621, 54.4009)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DC3 #C3853F

analogous

#3FBFC3 #3F7DC3 #433FC3

triadic

#3F7DC3 #C33F7D #7DC33F

tetradic

#3F7DC3 #C33FBF #C3853F #3FC343

square

#3F7DC3 #C33FBF #C3853F #3FC343

split-complementary

#3F7DC3 #C3433F #BFC33F

monochromatic

#204267 #2F5F96 #3F7DC3 #6E9DD2 #9CBCE0

Accessibility & contrast

On white

4.26

#3F7DC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#3F7DC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DC3

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DC3	#FFFFFF	#000000	##000000
##3F7DC3	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E81C6

Deuteranopia (green-blind)

#4B75C2

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3f7dc3;
/* rgb */ color: rgb(63, 125, 195);
/* oklch */ color: oklch(58.2% 0.126 253.2);

Tailwind

colors: {
  custom: {
    50: '#82a2d5',
    500: '#3f7dc3',
    950: '#000000',
  },
}

SCSS

$custom: #3f7dc3;
$custom-light: #82a2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7dc3",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 195
  },
  "hsl": {
    "h": 211.818,
    "s": 52.381,
    "l": 50.588
  },
  "oklch": {
    "l": 0.58167,
    "c": 0.12581,
    "h": 253.2
  },
  "luminance": 0.19664
}

Semantic roles & 50–950 ramp

primary

#3F7DC3

secondary

#CCB192

accent

#984CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #3F7DC3

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

Preview Lab → · Contrast checker → · Palette generator →