#3F9DC1#3F9DC1

#3F9DC1 is a light, moderate cyan. Relative luminance 0.290; OKLCH L 65.5% C 0.102 H 226.9°. Best body text is #000000 at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F9DC1
RGB	rgb(63, 157, 193)
HSL	hsl(197, 51%, 50%)
HSV	hsv(197, 67%, 76%)
CMYK	cmyk(67.4%, 18.7%, 0%, 24.3%)
CIE-LAB	lab(60.80, -16.19, -26.67)
CIE-LCH	lch(60.80, 31.20, 238.74°)
OKLab	oklab(65.53% -0.0697 -0.0746)
OKLCH	oklch(65.53% 0.102 226.9)
XYZ	xyz(23.7287, 29.0184, 54.7923)
Luminance	0.2902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9DC1 #C1633F

analogous

#3FC1A4 #3F9DC1 #3F5CC1

triadic

#3F9DC1 #C13F9D #9DC13F

tetradic

#3F9DC1 #A43FC1 #C1633F #5CC13F

square

#3F9DC1 #A43FC1 #C1633F #5CC13F

split-complementary

#3F9DC1 #C13F5C #C1A43F

monochromatic

#215265 #307893 #3F9DC1 #6DB5D0 #9CCCDF

Accessibility & contrast

On white

3.09

#3F9DC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.80

#3F9DC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9DC1

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9DC1	#FFFFFF	#000000	##000000
##3F9DC1	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)

#8A9AC3

Deuteranopia (green-blind)

#788DC1

Tritanopia (blue-blind)

#00A7A9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3f9dc1;
/* rgb */ color: rgb(63, 157, 193);
/* oklch */ color: oklch(65.5% 0.102 226.9);

Tailwind

colors: {
  custom: {
    50: '#83bad3',
    500: '#3f9dc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f9dc1;
$custom-light: #83bad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9dc1",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 193
  },
  "hsl": {
    "h": 196.615,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.65531,
    "c": 0.10209,
    "h": 226.9
  },
  "luminance": 0.29021
}

Semantic roles & 50–950 ramp

primary

#3F9DC1

secondary

#CBA191

accent

#744DDB

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F9DC1

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

Preview Lab → · Contrast checker → · Palette generator →