#3F9ABB#3F9ABB

#3F9ABB is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.5% C 0.098 H 225.5°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F9ABB
RGB	rgb(63, 154, 187)
HSL	hsl(196, 50%, 49%)
HSV	hsv(196, 66%, 73%)
CMYK	cmyk(66.3%, 17.6%, 0%, 26.7%)
CIE-LAB	lab(59.67, -16.51, -25.04)
CIE-LCH	lch(59.67, 29.99, 236.60°)
OKLab	oklab(64.55% -0.0688 -0.0699)
OKLCH	oklch(64.55% 0.098 225.5)
XYZ	xyz(22.5715, 27.7534, 51.1715)
Luminance	0.2776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9ABB #BB603F

analogous

#3FBB9E #3F9ABB #3F5CBB

triadic

#3F9ABB #BB3F9A #9ABB3F

tetradic

#3F9ABB #9E3FBB #BB603F #5CBB3F

square

#3F9ABB #9E3FBB #BB603F #5CBB3F

split-complementary

#3F9ABB #BB3F5C #BB9E3F

monochromatic

#204F5F #30748D #3F9ABB #6AB3CD #98CADC

Accessibility & contrast

On white

3.21

#3F9ABB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#3F9ABB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9ABB

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9ABB	#FFFFFF	#000000	##000000
##3F9ABB	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8897BD

Deuteranopia (green-blind)

#778ABB

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3f9abb;
/* rgb */ color: rgb(63, 154, 187);
/* oklch */ color: oklch(64.5% 0.098 225.5);

Tailwind

colors: {
  custom: {
    50: '#82b7cf',
    500: '#3f9abb',
    950: '#000000',
  },
}

SCSS

$custom: #3f9abb;
$custom-light: #82b7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9abb",
  "rgb": {
    "r": 63,
    "g": 154,
    "b": 187
  },
  "hsl": {
    "h": 195.968,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.64548,
    "c": 0.09814,
    "h": 225.5
  },
  "luminance": 0.27756
}

Semantic roles & 50–950 ramp

primary

#3F9ABB

secondary

#C89D8E

accent

#744FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #3F9ABB

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

Preview Lab → · Contrast checker → · Palette generator →