#3F85BB#3F85BB

#3F85BB is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.6% C 0.109 H 244.4°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3F85BB
RGB	rgb(63, 133, 187)
HSL	hsl(206, 50%, 49%)
HSV	hsv(206, 66%, 73%)
CMYK	cmyk(66.3%, 28.9%, 0%, 26.7%)
CIE-LAB	lab(53.40, -4.74, -34.76)
CIE-LCH	lch(53.40, 35.08, 262.23°)
OKLab	oklab(59.57% -0.0469 -0.0981)
OKLCH	oklch(59.57% 0.109 244.4)
XYZ	xyz(19.4037, 21.4177, 50.1155)
Luminance	0.2142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F85BB #BB753F

analogous

#3FBBB3 #3F85BB #3F47BB

triadic

#3F85BB #BB3F85 #85BB3F

tetradic

#3F85BB #B33FBB #BB753F #47BB3F

square

#3F85BB #B33FBB #BB753F #47BB3F

split-complementary

#3F85BB #BB3F47 #BBB33F

monochromatic

#20445F #30648D #3F85BB #6AA2CD #98BFDC

Accessibility & contrast

On white

3.97

#3F85BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#3F85BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F85BB

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F85BB	#FFFFFF	#000000	##000000
##3F85BB	1.00	3.97	5.28	5.28
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D86BD

Deuteranopia (green-blind)

#5C7ABA

Tritanopia (blue-blind)

#009298

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3f85bb;
/* rgb */ color: rgb(63, 133, 187);
/* oklch */ color: oklch(59.6% 0.109 244.4);

Tailwind

colors: {
  custom: {
    50: '#81a8cf',
    500: '#3f85bb',
    950: '#000000',
  },
}

SCSS

$custom: #3f85bb;
$custom-light: #81a8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f85bb",
  "rgb": {
    "r": 63,
    "g": 133,
    "b": 187
  },
  "hsl": {
    "h": 206.129,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.59571,
    "c": 0.10869,
    "h": 244.4
  },
  "luminance": 0.2142
}

Semantic roles & 50–950 ramp

primary

#3F85BB

secondary

#C8A78E

accent

#8B4FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3F85BB

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

Preview Lab → · Contrast checker → · Palette generator →