#3F82BB#3F82BB

#3F82BB is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.9% C 0.111 H 246.8°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3F82BB
RGB	rgb(63, 130, 187)
HSL	hsl(208, 50%, 49%)
HSV	hsv(208, 66%, 73%)
CMYK	cmyk(66.3%, 30.5%, 0%, 26.7%)
CIE-LAB	lab(52.52, -2.99, -36.15)
CIE-LCH	lch(52.52, 36.27, 265.28°)
OKLab	oklab(58.87% -0.0438 -0.1021)
OKLCH	oklch(58.87% 0.111 246.8)
XYZ	xyz(18.9988, 20.6079, 49.9805)
Luminance	0.2061 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F82BB #BB783F

analogous

#3FBBB6 #3F82BB #3F44BB

triadic

#3F82BB #BB3F82 #82BB3F

tetradic

#3F82BB #B63FBB #BB783F #44BB3F

square

#3F82BB #B63FBB #BB783F #44BB3F

split-complementary

#3F82BB #BB3F44 #BBB63F

monochromatic

#20425F #30628D #3F82BB #6AA0CD #98BDDC

Accessibility & contrast

On white

4.10

#3F82BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#3F82BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F82BB

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F82BB	#FFFFFF	#000000	##000000
##3F82BB	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6984BD

Deuteranopia (green-blind)

#5878BA

Tritanopia (blue-blind)

#009096

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f82bb;
/* rgb */ color: rgb(63, 130, 187);
/* oklch */ color: oklch(58.9% 0.111 246.8);

Tailwind

colors: {
  custom: {
    50: '#81a6cf',
    500: '#3f82bb',
    950: '#000000',
  },
}

SCSS

$custom: #3f82bb;
$custom-light: #81a6cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f82bb",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 187
  },
  "hsl": {
    "h": 207.581,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.58872,
    "c": 0.1111,
    "h": 246.8
  },
  "luminance": 0.2061
}

Semantic roles & 50–950 ramp

primary

#3F82BB

secondary

#C8A98E

accent

#8E4FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3F82BB

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

Preview Lab → · Contrast checker → · Palette generator →