#3F9DC4#3F9DC4

#3F9DC4 is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.7% C 0.105 H 229.0°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F9DC4
RGB	rgb(63, 157, 196)
HSL	hsl(198, 53%, 51%)
HSV	hsv(198, 68%, 77%)
CMYK	cmyk(67.9%, 19.9%, 0%, 23.1%)
CIE-LAB	lab(60.92, -15.22, -28.17)
CIE-LCH	lch(60.92, 32.02, 241.62°)
OKLab	oklab(65.66% -0.0686 -0.0789)
OKLCH	oklch(65.66% 0.105 229)
XYZ	xyz(24.0667, 29.1536, 56.5727)
Luminance	0.2916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9DC4 #C4663F

analogous

#3FC4A8 #3F9DC4 #3F5AC4

triadic

#3F9DC4 #C43F9D #9DC43F

tetradic

#3F9DC4 #A83FC4 #C4663F #5AC43F

square

#3F9DC4 #A83FC4 #C4663F #5AC43F

split-complementary

#3F9DC4 #C43F5A #C4A83F

monochromatic

#205368 #2E7997 #3F9DC4 #6EB5D2 #9DCDE1

Accessibility & contrast

On white

3.07

#3F9DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#3F9DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9DC4

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9DC4	#FFFFFF	#000000	##000000
##3F9DC4	1.00	3.07	6.83	6.83
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899BC6

Deuteranopia (green-blind)

#768DC3

Tritanopia (blue-blind)

#00A8AA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3f9dc4;
/* rgb */ color: rgb(63, 157, 196);
/* oklch */ color: oklch(65.7% 0.105 229.0);

Tailwind

colors: {
  custom: {
    50: '#83bad6',
    500: '#3f9dc4',
    950: '#000000',
  },
}

SCSS

$custom: #3f9dc4;
$custom-light: #83bad6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9dc4",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 196
  },
  "hsl": {
    "h": 197.594,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.65665,
    "c": 0.10454,
    "h": 229
  },
  "luminance": 0.29156
}

Semantic roles & 50–950 ramp

primary

#3F9DC4

secondary

#CDA392

accent

#764BDC

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9DC4

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

Preview Lab → · Contrast checker → · Palette generator →