#3F9CD3#3F9CD3

#3F9CD3 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.119 H 238.4°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F9CD3
RGB	rgb(63, 156, 211)
HSL	hsl(202, 63%, 54%)
HSV	hsv(202, 70%, 83%)
CMYK	cmyk(70.1%, 26.1%, 0%, 17.3%)
CIE-LAB	lab(61.25, -9.69, -36.04)
CIE-LCH	lch(61.25, 37.32, 254.95°)
OKLab	oklab(66.14% -0.0624 -0.1016)
OKLCH	oklch(66.14% 0.119 238.4)
XYZ	xyz(25.6917, 29.5340, 65.9620)
Luminance	0.2954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9CD3 #D3763F

analogous

#3FD3C0 #3F9CD3 #3F52D3

triadic

#3F9CD3 #D33F9C #9CD33F

tetradic

#3F9CD3 #C03FD3 #D3763F #52D33F

square

#3F9CD3 #C03FD3 #D3763F #52D33F

split-complementary

#3F9CD3 #D33F52 #D3C03F

monochromatic

#1C587B #287CAD #3F9CD3 #71B6DE #A3CFEA

Accessibility & contrast

On white

3.04

#3F9CD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#3F9CD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CD3

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9CD3	#FFFFFF	#000000	##000000
##3F9CD3	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829CD6

Deuteranopia (green-blind)

#6E8DD2

Tritanopia (blue-blind)

#00AAAF

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3f9cd3;
/* rgb */ color: rgb(63, 156, 211);
/* oklch */ color: oklch(66.1% 0.119 238.4);

Tailwind

colors: {
  custom: {
    50: '#85b9e0',
    500: '#3f9cd3',
    950: '#000000',
  },
}

SCSS

$custom: #3f9cd3;
$custom-light: #85b9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9cd3",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 211
  },
  "hsl": {
    "h": 202.297,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.66138,
    "c": 0.1192,
    "h": 238.4
  },
  "luminance": 0.29537
}

Semantic roles & 50–950 ramp

primary

#3F9CD3

secondary

#D7AF97

accent

#7F42E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9CD3

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

Preview Lab → · Contrast checker → · Palette generator →