#3F82BC#3F82BC

#3F82BC is a mid, moderate cyan. Relative luminance 0.207; OKLCH L 58.9% C 0.112 H 247.2°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3F82BC
RGB	rgb(63, 130, 188)
HSL	hsl(208, 50%, 49%)
HSV	hsv(208, 66%, 74%)
CMYK	cmyk(66.5%, 30.9%, 0%, 26.3%)
CIE-LAB	lab(52.57, -2.64, -36.64)
CIE-LCH	lch(52.57, 36.74, 265.87°)
OKLab	oklab(58.93% -0.0435 -0.1036)
OKLCH	oklch(58.93% 0.112 247.2)
XYZ	xyz(19.1062, 20.6509, 50.5463)
Luminance	0.2065 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F82BC #BC793F

analogous

#3FBCB8 #3F82BC #3F44BC

triadic

#3F82BC #BC3F82 #82BC3F

tetradic

#3F82BC #B83FBC #BC793F #44BC3F

square

#3F82BC #B83FBC #BC793F #44BC3F

split-complementary

#3F82BC #BC3F44 #BCB83F

monochromatic

#204360 #30628E #3F82BC #6BA0CD #99BDDD

Accessibility & contrast

On white

4.09

#3F82BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#3F82BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F82BC

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F82BC	#FFFFFF	#000000	##000000
##3F82BC	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6884BF

Deuteranopia (green-blind)

#5778BB

Tritanopia (blue-blind)

#009097

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f82bc;
/* rgb */ color: rgb(63, 130, 188);
/* oklch */ color: oklch(58.9% 0.112 247.2);

Tailwind

colors: {
  custom: {
    50: '#81a6d0',
    500: '#3f82bc',
    950: '#000000',
  },
}

SCSS

$custom: #3f82bc;
$custom-light: #81a6d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f82bc",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 188
  },
  "hsl": {
    "h": 207.84,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.58926,
    "c": 0.11232,
    "h": 247.2
  },
  "luminance": 0.20653
}

Semantic roles & 50–950 ramp

primary

#3F82BC

secondary

#C9A98E

accent

#8F4ED9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3F82BC

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

Preview Lab → · Contrast checker → · Palette generator →