#3F9CC1#3F9CC1

#3F9CC1 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.3% C 0.102 H 227.9°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#3F9CC1
RGB	rgb(63, 156, 193)
HSL	hsl(197, 51%, 50%)
HSV	hsv(197, 67%, 76%)
CMYK	cmyk(67.4%, 19.2%, 0%, 24.3%)
CIE-LAB	lab(60.50, -15.65, -27.13)
CIE-LCH	lch(60.50, 31.32, 240.02°)
OKLab	oklab(65.29% -0.0687 -0.0759)
OKLCH	oklch(65.29% 0.102 227.9)
XYZ	xyz(23.5602, 28.6814, 54.7361)
Luminance	0.2868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9CC1 #C1643F

analogous

#3FC1A5 #3F9CC1 #3F5BC1

triadic

#3F9CC1 #C13F9C #9CC13F

tetradic

#3F9CC1 #A53FC1 #C1643F #5BC13F

square

#3F9CC1 #A53FC1 #C1643F #5BC13F

split-complementary

#3F9CC1 #C13F5B #C1A53F

monochromatic

#215265 #307793 #3F9CC1 #6DB4D0 #9CCCDF

Accessibility & contrast

On white

3.12

#3F9CC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#3F9CC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CC1

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9CC1	#FFFFFF	#000000	##000000
##3F9CC1	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8999C3

Deuteranopia (green-blind)

#768CC1

Tritanopia (blue-blind)

#00A7A8

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9cc1;
/* rgb */ color: rgb(63, 156, 193);
/* oklch */ color: oklch(65.3% 0.102 227.9);

Tailwind

colors: {
  custom: {
    50: '#83b9d3',
    500: '#3f9cc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f9cc1;
$custom-light: #83b9d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9cc1",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 193
  },
  "hsl": {
    "h": 197.077,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.65292,
    "c": 0.10236,
    "h": 227.9
  },
  "luminance": 0.28684
}

Semantic roles & 50–950 ramp

primary

#3F9CC1

secondary

#CBA191

accent

#754DDB

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F9CC1

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

Preview Lab → · Contrast checker → · Palette generator →