#3F9BBA#3F9BBA

#3F9BBA is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.7% C 0.097 H 223.7°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F9BBA
RGB	rgb(63, 155, 186)
HSL	hsl(195, 49%, 49%)
HSV	hsv(195, 66%, 73%)
CMYK	cmyk(66.1%, 16.7%, 0%, 27.1%)
CIE-LAB	lab(59.93, -17.37, -24.07)
CIE-LCH	lch(59.93, 29.69, 234.19°)
OKLab	oklab(64.74% -0.0703 -0.0672)
OKLCH	oklch(64.74% 0.097 223.7)
XYZ	xyz(22.6306, 28.0422, 50.6649)
Luminance	0.2804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9BBA #BA5E3F

analogous

#3FBA9C #3F9BBA #3F5EBA

triadic

#3F9BBA #BA3F9B #9BBA3F

tetradic

#3F9BBA #9C3FBA #BA5E3F #5EBA3F

square

#3F9BBA #9C3FBA #BA5E3F #5EBA3F

split-complementary

#3F9BBA #BA3F5E #BA9C3F

monochromatic

#204F5F #30758C #3F9BBA #6AB4CC #97CBDC

Accessibility & contrast

On white

3.18

#3F9BBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#3F9BBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9BBA

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9BBA	#FFFFFF	#000000	##000000
##3F9BBA	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8998BC

Deuteranopia (green-blind)

#788BBA

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3f9bba;
/* rgb */ color: rgb(63, 155, 186);
/* oklch */ color: oklch(64.7% 0.097 223.7);

Tailwind

colors: {
  custom: {
    50: '#82b8ce',
    500: '#3f9bba',
    950: '#000000',
  },
}

SCSS

$custom: #3f9bba;
$custom-light: #82b8ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9bba",
  "rgb": {
    "r": 63,
    "g": 155,
    "b": 186
  },
  "hsl": {
    "h": 195.122,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.64744,
    "c": 0.09722,
    "h": 223.7
  },
  "luminance": 0.28045
}

Semantic roles & 50–950 ramp

primary

#3F9BBA

secondary

#C89C8D

accent

#724FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #3F9BBA

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

Preview Lab → · Contrast checker → · Palette generator →