#3F9EBB#3F9EBB

#3F9EBB is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.5% C 0.098 H 221.5°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F9EBB
RGB	rgb(63, 158, 187)
HSL	hsl(194, 50%, 49%)
HSV	hsv(194, 66%, 73%)
CMYK	cmyk(66.3%, 15.5%, 0%, 26.7%)
CIE-LAB	lab(60.87, -18.65, -23.19)
CIE-LCH	lch(60.87, 29.76, 231.20°)
OKLab	oklab(65.51% -0.073 -0.0647)
OKLCH	oklch(65.51% 0.098 221.5)
XYZ	xyz(23.2428, 29.0958, 51.3952)
Luminance	0.2910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9EBB #BB5C3F

analogous

#3FBB9A #3F9EBB #3F60BB

triadic

#3F9EBB #BB3F9E #9EBB3F

tetradic

#3F9EBB #9A3FBB #BB5C3F #60BB3F

square

#3F9EBB #9A3FBB #BB5C3F #60BB3F

split-complementary

#3F9EBB #BB3F60 #BB9A3F

monochromatic

#20515F #30778D #3F9EBB #6AB6CD #98CCDC

Accessibility & contrast

On white

3.08

#3F9EBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.82

#3F9EBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9EBB

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9EBB	#FFFFFF	#000000	##000000
##3F9EBB	1.00	3.08	6.82	6.82
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.82	21.00	1.00	1.00
##000000	6.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D9ABD

Deuteranopia (green-blind)

#7B8DBB

Tritanopia (blue-blind)

#00A7A7

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #3f9ebb;
/* rgb */ color: rgb(63, 158, 187);
/* oklch */ color: oklch(65.5% 0.098 221.5);

Tailwind

colors: {
  custom: {
    50: '#82bacf',
    500: '#3f9ebb',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ebb;
$custom-light: #82bacf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ebb",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 187
  },
  "hsl": {
    "h": 194.032,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.65509,
    "c": 0.09755,
    "h": 221.5
  },
  "luminance": 0.29098
}

Semantic roles & 50–950 ramp

primary

#3F9EBB

secondary

#C89B8E

accent

#6F4FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #3F9EBB

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

Preview Lab → · Contrast checker → · Palette generator →