#3F84BD#3F84BD

#3F84BD is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.4% C 0.112 H 246.2°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F84BD
RGB	rgb(63, 132, 189)
HSL	hsl(207, 50%, 49%)
HSV	hsv(207, 67%, 74%)
CMYK	cmyk(66.7%, 30.2%, 0%, 25.9%)
CIE-LAB	lab(53.20, -3.47, -36.22)
CIE-LCH	lch(53.20, 36.38, 264.52°)
OKLab	oklab(59.44% -0.0452 -0.1023)
OKLCH	oklch(59.44% 0.112 246.2)
XYZ	xyz(19.4830, 21.2314, 51.2055)
Luminance	0.2123 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F84BD #BD783F

analogous

#3FBDB7 #3F84BD #3F45BD

triadic

#3F84BD #BD3F84 #84BD3F

tetradic

#3F84BD #B73FBD #BD783F #45BD3F

square

#3F84BD #B73FBD #BD783F #45BD3F

split-complementary

#3F84BD #BD3F45 #BDB73F

monochromatic

#204461 #30648F #3F84BD #6BA1CE #99BEDD

Accessibility & contrast

On white

4.00

#3F84BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#3F84BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F84BD

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F84BD	#FFFFFF	#000000	##000000
##3F84BD	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B86BF

Deuteranopia (green-blind)

#597ABC

Tritanopia (blue-blind)

#009298

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f84bd;
/* rgb */ color: rgb(63, 132, 189);
/* oklch */ color: oklch(59.4% 0.112 246.2);

Tailwind

colors: {
  custom: {
    50: '#81a7d1',
    500: '#3f84bd',
    950: '#000000',
  },
}

SCSS

$custom: #3f84bd;
$custom-light: #81a7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f84bd",
  "rgb": {
    "r": 63,
    "g": 132,
    "b": 189
  },
  "hsl": {
    "h": 207.143,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.59443,
    "c": 0.11186,
    "h": 246.2
  },
  "luminance": 0.21233
}

Semantic roles & 50–950 ramp

primary

#3F84BD

secondary

#C9A98F

accent

#8D4EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3F84BD

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

Preview Lab → · Contrast checker → · Palette generator →