#3F9CC8#3F9CC8

#3F9CC8 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.6% C 0.108 H 232.4°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F9CC8
RGB	rgb(63, 156, 200)
HSL	hsl(199, 55%, 52%)
HSV	hsv(199, 69%, 78%)
CMYK	cmyk(68.5%, 22%, 0%, 21.6%)
CIE-LAB	lab(60.78, -13.36, -30.62)
CIE-LCH	lch(60.78, 33.41, 246.43°)
OKLab	oklab(65.61% -0.0661 -0.0859)
OKLCH	oklch(65.61% 0.108 232.4)
XYZ	xyz(24.3596, 29.0012, 58.9464)
Luminance	0.2900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9CC8 #C86B3F

analogous

#3FC8B0 #3F9CC8 #3F58C8

triadic

#3F9CC8 #C83F9C #9CC83F

tetradic

#3F9CC8 #B03FC8 #C86B3F #58C83F

square

#3F9CC8 #B03FC8 #C86B3F #58C83F

split-complementary

#3F9CC8 #C83F58 #C8B03F

monochromatic

#1F546D #2D799D #3F9CC8 #6FB5D6 #9ECDE3

Accessibility & contrast

On white

3.09

#3F9CC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#3F9CC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CC8

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9CC8	#FFFFFF	#000000	##000000
##3F9CC8	1.00	3.09	6.80	6.80
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.80	21.00	1.00	1.00
##000000	6.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869ACA

Deuteranopia (green-blind)

#738DC7

Tritanopia (blue-blind)

#00A8AB

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3f9cc8;
/* rgb */ color: rgb(63, 156, 200);
/* oklch */ color: oklch(65.6% 0.108 232.4);

Tailwind

colors: {
  custom: {
    50: '#84b9d9',
    500: '#3f9cc8',
    950: '#000000',
  },
}

SCSS

$custom: #3f9cc8;
$custom-light: #84b9d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9cc8",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 200
  },
  "hsl": {
    "h": 199.27,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.65612,
    "c": 0.10843,
    "h": 232.4
  },
  "luminance": 0.29004
}

Semantic roles & 50–950 ramp

primary

#3F9CC8

secondary

#D0A793

accent

#7949DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9CC8

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

Preview Lab → · Contrast checker → · Palette generator →