#3F9ABC#3F9ABC

#3F9ABC is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.6% C 0.099 H 226.2°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F9ABC
RGB	rgb(63, 154, 188)
HSL	hsl(196, 50%, 49%)
HSV	hsv(196, 66%, 74%)
CMYK	cmyk(66.5%, 18.1%, 0%, 26.3%)
CIE-LAB	lab(59.70, -16.19, -25.54)
CIE-LCH	lch(59.70, 30.24, 237.63°)
OKLab	oklab(64.59% -0.0684 -0.0714)
OKLCH	oklch(64.59% 0.099 226.2)
XYZ	xyz(22.6790, 27.7964, 51.7372)
Luminance	0.2780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9ABC #BC613F

analogous

#3FBCA0 #3F9ABC #3F5CBC

triadic

#3F9ABC #BC3F9A #9ABC3F

tetradic

#3F9ABC #A03FBC #BC613F #5CBC3F

square

#3F9ABC #A03FBC #BC613F #5CBC3F

split-complementary

#3F9ABC #BC3F5C #BCA03F

monochromatic

#204F60 #30748E #3F9ABC #6BB3CD #99CADD

Accessibility & contrast

On white

3.20

#3F9ABC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#3F9ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9ABC

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9ABC	#FFFFFF	#000000	##000000
##3F9ABC	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BE

Deuteranopia (green-blind)

#768ABC

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3f9abc;
/* rgb */ color: rgb(63, 154, 188);
/* oklch */ color: oklch(64.6% 0.099 226.2);

Tailwind

colors: {
  custom: {
    50: '#82b7d0',
    500: '#3f9abc',
    950: '#000000',
  },
}

SCSS

$custom: #3f9abc;
$custom-light: #82b7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9abc",
  "rgb": {
    "r": 63,
    "g": 154,
    "b": 188
  },
  "hsl": {
    "h": 196.32,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.64592,
    "c": 0.0989,
    "h": 226.2
  },
  "luminance": 0.27799
}

Semantic roles & 50–950 ramp

primary

#3F9ABC

secondary

#C99E8E

accent

#744ED9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F9ABC

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

Preview Lab → · Contrast checker → · Palette generator →