#3F9CBD#3F9CBD

#3F9CBD is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.1% C 0.099 H 225.0°. Best body text is #000000 at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F9CBD
RGB	rgb(63, 156, 189)
HSL	hsl(196, 50%, 49%)
HSV	hsv(196, 67%, 74%)
CMYK	cmyk(66.7%, 17.5%, 0%, 25.9%)
CIE-LAB	lab(60.34, -16.94, -25.12)
CIE-LCH	lch(60.34, 30.30, 236.00°)
OKLab	oklab(65.11% -0.0702 -0.0702)
OKLCH	oklch(65.11% 0.099 225)
XYZ	xyz(23.1200, 28.5053, 52.4179)
Luminance	0.2851 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9CBD #BD603F

analogous

#3FBD9F #3F9CBD #3F5DBD

triadic

#3F9CBD #BD3F9C #9CBD3F

tetradic

#3F9CBD #9F3FBD #BD603F #5DBD3F

square

#3F9CBD #9F3FBD #BD603F #5DBD3F

split-complementary

#3F9CBD #BD3F5D #BD9F3F

monochromatic

#205061 #30768F #3F9CBD #6BB4CE #99CBDD

Accessibility & contrast

On white

3.13

#3F9CBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.70

#3F9CBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9CBD

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9CBD	#FFFFFF	#000000	##000000
##3F9CBD	1.00	3.13	6.70	6.70
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.70	21.00	1.00	1.00
##000000	6.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BF

Deuteranopia (green-blind)

#788CBD

Tritanopia (blue-blind)

#00A6A7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3f9cbd;
/* rgb */ color: rgb(63, 156, 189);
/* oklch */ color: oklch(65.1% 0.099 225.0);

Tailwind

colors: {
  custom: {
    50: '#82b9d1',
    500: '#3f9cbd',
    950: '#000000',
  },
}

SCSS

$custom: #3f9cbd;
$custom-light: #82b9d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9cbd",
  "rgb": {
    "r": 63,
    "g": 156,
    "b": 189
  },
  "hsl": {
    "h": 195.714,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.65115,
    "c": 0.09924,
    "h": 225
  },
  "luminance": 0.28508
}

Semantic roles & 50–950 ramp

primary

#3F9CBD

secondary

#C99E8F

accent

#734EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1114

muted

#7D8082

Preview Lab

Preview with #3F9CBD

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

Preview Lab → · Contrast checker → · Palette generator →