#3F82D3#3F82D3

#3F82D3 is a mid, vivid cyan. Relative luminance 0.217; OKLCH L 60.2% C 0.141 H 254.7°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#3F82D3
RGB	rgb(63, 130, 211)
HSL	hsl(213, 63%, 54%)
HSV	hsv(213, 70%, 83%)
CMYK	cmyk(70.1%, 38.4%, 0%, 17.3%)
CIE-LAB	lab(53.73, 5.43, -47.88)
CIE-LCH	lch(53.73, 48.19, 276.47°)
OKLab	oklab(60.22% -0.0373 -0.1364)
OKLCH	oklch(60.22% 0.141 254.7)
XYZ	xyz(21.7861, 21.7228, 64.6601)
Luminance	0.2172 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F82D3 #D3903F

analogous

#3FCCD3 #3F82D3 #463FD3

triadic

#3F82D3 #D33F82 #82D33F

tetradic

#3F82D3 #D33FCC #D3903F #3FD346

square

#3F82D3 #D33FCC #D3903F #3FD346

split-complementary

#3F82D3 #D3463F #CCD33F

monochromatic

#1C477B #2864AD #3F82D3 #71A2DE #A3C3EA

Accessibility & contrast

On white

3.93

#3F82D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#3F82D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F82D3

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F82D3	#FFFFFF	#000000	##000000
##3F82D3	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D88D6

Deuteranopia (green-blind)

#467AD1

Tritanopia (blue-blind)

#0095A0

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3f82d3;
/* rgb */ color: rgb(63, 130, 211);
/* oklch */ color: oklch(60.2% 0.141 254.7);

Tailwind

colors: {
  custom: {
    50: '#85a5e1',
    500: '#3f82d3',
    950: '#000000',
  },
}

SCSS

$custom: #3f82d3;
$custom-light: #85a5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f82d3",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 211
  },
  "hsl": {
    "h": 212.838,
    "s": 62.712,
    "l": 53.725
  },
  "oklch": {
    "l": 0.60221,
    "c": 0.1414,
    "h": 254.7
  },
  "luminance": 0.21725
}

Semantic roles & 50–950 ramp

primary

#3F82D3

secondary

#D7BA97

accent

#9C42E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F82D3

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

Preview Lab → · Contrast checker → · Palette generator →