#3F85B3#3F85B3

#3F85B3 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.2% C 0.100 H 240.2°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F85B3
RGB	rgb(63, 133, 179)
HSL	hsl(204, 48%, 47%)
HSV	hsv(204, 65%, 70%)
CMYK	cmyk(64.8%, 25.7%, 0%, 29.8%)
CIE-LAB	lab(53.04, -7.46, -30.74)
CIE-LCH	lch(53.04, 31.63, 256.36°)
OKLab	oklab(59.17% -0.0495 -0.0864)
OKLCH	oklch(59.17% 0.1 240.2)
XYZ	xyz(18.5710, 21.0846, 45.7301)
Luminance	0.2109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F85B3 #B36D3F

analogous

#3FB3A7 #3F85B3 #3F4BB3

triadic

#3F85B3 #B33F85 #85B33F

tetradic

#3F85B3 #A73FB3 #B36D3F #4BB33F

square

#3F85B3 #A73FB3 #B36D3F #4BB33F

split-complementary

#3F85B3 #B33F4B #B3A73F

monochromatic

#1F4258 #2F6386 #3F85B3 #66A2C9 #93BDD9

Accessibility & contrast

On white

4.03

#3F85B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3F85B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F85B3

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F85B3	#FFFFFF	#000000	##000000
##3F85B3	1.00	4.03	5.22	5.22
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7085B5

Deuteranopia (green-blind)

#607AB2

Tritanopia (blue-blind)

#009095

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f85b3;
/* rgb */ color: rgb(63, 133, 179);
/* oklch */ color: oklch(59.2% 0.100 240.2);

Tailwind

colors: {
  custom: {
    50: '#80a8ca',
    500: '#3f85b3',
    950: '#000000',
  },
}

SCSS

$custom: #3f85b3;
$custom-light: #80a8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f85b3",
  "rgb": {
    "r": 63,
    "g": 133,
    "b": 179
  },
  "hsl": {
    "h": 203.793,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.59166,
    "c": 0.09959,
    "h": 240.2
  },
  "luminance": 0.21086
}

Semantic roles & 50–950 ramp

primary

#3F85B3

secondary

#C4A189

accent

#8650D8

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3F85B3

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

Preview Lab → · Contrast checker → · Palette generator →