#3F9FBD#3F9FBD

#3F9FBD is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.8% C 0.099 H 222.1°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F9FBD
RGB	rgb(63, 159, 189)
HSL	hsl(194, 50%, 49%)
HSV	hsv(194, 67%, 74%)
CMYK	cmyk(66.7%, 15.9%, 0%, 25.9%)
CIE-LAB	lab(61.24, -18.54, -23.74)
CIE-LCH	lch(61.24, 30.13, 232.01°)
OKLab	oklab(65.83% -0.0733 -0.0662)
OKLCH	oklch(65.83% 0.099 222.1)
XYZ	xyz(23.6296, 29.5246, 52.5877)
Luminance	0.2953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9FBD #BD5D3F

analogous

#3FBD9C #3F9FBD #3F60BD

triadic

#3F9FBD #BD3F9F #9FBD3F

tetradic

#3F9FBD #9C3FBD #BD5D3F #60BD3F

square

#3F9FBD #9C3FBD #BD5D3F #60BD3F

split-complementary

#3F9FBD #BD3F60 #BD9C3F

monochromatic

#205261 #30788F #3F9FBD #6BB6CE #99CDDD

Accessibility & contrast

On white

3.04

#3F9FBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#3F9FBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9FBD

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9FBD	#FFFFFF	#000000	##000000
##3F9FBD	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9BBF

Deuteranopia (green-blind)

#7C8EBD

Tritanopia (blue-blind)

#00A8A9

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3f9fbd;
/* rgb */ color: rgb(63, 159, 189);
/* oklch */ color: oklch(65.8% 0.099 222.1);

Tailwind

colors: {
  custom: {
    50: '#83bbd1',
    500: '#3f9fbd',
    950: '#000000',
  },
}

SCSS

$custom: #3f9fbd;
$custom-light: #83bbd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9fbd",
  "rgb": {
    "r": 63,
    "g": 159,
    "b": 189
  },
  "hsl": {
    "h": 194.286,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.65835,
    "c": 0.09878,
    "h": 222.1
  },
  "luminance": 0.29527
}

Semantic roles & 50–950 ramp

primary

#3F9FBD

secondary

#C99D8F

accent

#6F4EDA

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #3F9FBD

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

Preview Lab → · Contrast checker → · Palette generator →