#3F7FD4#3F7FD4

#3F7FD4 is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.6% C 0.146 H 256.4°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FD4
RGB	rgb(63, 127, 212)
HSL	hsl(214, 63%, 54%)
HSV	hsv(214, 70%, 83%)
CMYK	cmyk(70.3%, 40.1%, 0%, 16.9%)
CIE-LAB	lab(52.93, 7.61, -49.71)
CIE-LCH	lch(52.93, 50.29, 278.70°)
OKLab	oklab(59.62% -0.0343 -0.1418)
OKLCH	oklch(59.62% 0.146 256.4)
XYZ	xyz(21.5186, 20.9867, 65.1914)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FD4 #D4943F

analogous

#3FCAD4 #3F7FD4 #4A3FD4

triadic

#3F7FD4 #D43F7F #7FD43F

tetradic

#3F7FD4 #D43FCA #D4943F #3FD44A

square

#3F7FD4 #D43FCA #D4943F #3FD44A

split-complementary

#3F7FD4 #D44A3F #CAD43F

monochromatic

#1C457D #2761AF #3F7FD4 #71A0DF #A3C2EA

Accessibility & contrast

On white

4.04

#3F7FD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#3F7FD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FD4

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FD4	#FFFFFF	#000000	##000000
##3F7FD4	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5786D7

Deuteranopia (green-blind)

#4078D2

Tritanopia (blue-blind)

#00939F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3f7fd4;
/* rgb */ color: rgb(63, 127, 212);
/* oklch */ color: oklch(59.6% 0.146 256.4);

Tailwind

colors: {
  custom: {
    50: '#85a3e2',
    500: '#3f7fd4',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fd4;
$custom-light: #85a3e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fd4",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 212
  },
  "hsl": {
    "h": 214.228,
    "s": 63.404,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59618,
    "c": 0.14589,
    "h": 256.4
  },
  "luminance": 0.20989
}

Semantic roles & 50–950 ramp

primary

#3F7FD4

secondary

#D7BC98

accent

#A041E6

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F7FD4

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

Preview Lab → · Contrast checker → · Palette generator →