#3F7FC4#3F7FC4

#3F7FC4 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.7% C 0.125 H 252.2°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FC4
RGB	rgb(63, 127, 196)
HSL	hsl(211, 53%, 51%)
HSV	hsv(211, 68%, 77%)
CMYK	cmyk(67.9%, 35.2%, 0%, 23.1%)
CIE-LAB	lab(52.08, 1.93, -41.98)
CIE-LCH	lch(52.08, 42.02, 272.63°)
OKLab	oklab(58.68% -0.0382 -0.1191)
OKLCH	oklch(58.68% 0.125 252.2)
XYZ	xyz(19.5994, 20.2190, 55.0836)
Luminance	0.2022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FC4 #C4843F

analogous

#3FC1C4 #3F7FC4 #413FC4

triadic

#3F7FC4 #C43F7F #7FC43F

tetradic

#3F7FC4 #C43FC1 #C4843F #3FC441

square

#3F7FC4 #C43FC1 #C4843F #3FC441

split-complementary

#3F7FC4 #C4413F #C1C43F

monochromatic

#204368 #2E6197 #3F7FC4 #6E9ED2 #9DBDE1

Accessibility & contrast

On white

4.16

#3F7FC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#3F7FC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FC4

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FC4	#FFFFFF	#000000	##000000
##3F7FC4	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6083C7

Deuteranopia (green-blind)

#4D77C3

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f7fc4;
/* rgb */ color: rgb(63, 127, 196);
/* oklch */ color: oklch(58.7% 0.125 252.2);

Tailwind

colors: {
  custom: {
    50: '#82a3d6',
    500: '#3f7fc4',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fc4;
$custom-light: #82a3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fc4",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 196
  },
  "hsl": {
    "h": 211.128,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.58677,
    "c": 0.12511,
    "h": 252.2
  },
  "luminance": 0.20221
}

Semantic roles & 50–950 ramp

primary

#3F7FC4

secondary

#CDB192

accent

#974BDC

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3F7FC4

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

Preview Lab → · Contrast checker → · Palette generator →