#3F7FC6#3F7FC6

#3F7FC6 is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.8% C 0.128 H 252.9°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F7FC6
RGB	rgb(63, 127, 198)
HSL	hsl(212, 54%, 51%)
HSV	hsv(212, 68%, 78%)
CMYK	cmyk(68.2%, 35.9%, 0%, 22.4%)
CIE-LAB	lab(52.19, 2.63, -42.95)
CIE-LCH	lch(52.19, 43.03, 273.51°)
OKLab	oklab(58.79% -0.0376 -0.122)
OKLCH	oklch(58.79% 0.128 252.9)
XYZ	xyz(19.8286, 20.3107, 56.2905)
Luminance	0.2031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7FC6 #C6863F

analogous

#3FC2C6 #3F7FC6 #423FC6

triadic

#3F7FC6 #C63F7F #7FC63F

tetradic

#3F7FC6 #C63FC2 #C6863F #3FC642

square

#3F7FC6 #C63FC2 #C6863F #3FC642

split-complementary

#3F7FC6 #C6423F #C2C63F

monochromatic

#20436B #2E619A #3F7FC6 #6E9ED4 #9DBEE2

Accessibility & contrast

On white

4.15

#3F7FC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#3F7FC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7FC6

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7FC6	#FFFFFF	#000000	##000000
##3F7FC6	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F83C9

Deuteranopia (green-blind)

#4C77C5

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #3f7fc6;
/* rgb */ color: rgb(63, 127, 198);
/* oklch */ color: oklch(58.8% 0.128 252.9);

Tailwind

colors: {
  custom: {
    50: '#83a3d7',
    500: '#3f7fc6',
    950: '#000000',
  },
}

SCSS

$custom: #3f7fc6;
$custom-light: #83a3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7fc6",
  "rgb": {
    "r": 63,
    "g": 127,
    "b": 198
  },
  "hsl": {
    "h": 211.556,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58791,
    "c": 0.12768,
    "h": 252.9
  },
  "luminance": 0.20313
}

Semantic roles & 50–950 ramp

primary

#3F7FC6

secondary

#CEB293

accent

#984ADE

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #3F7FC6

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

Preview Lab → · Contrast checker → · Palette generator →