#3F82CF#3F82CF

#3F82CF is a mid, vivid cyan. Relative luminance 0.215; OKLCH L 60.0% C 0.136 H 253.7°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F82CF
RGB	rgb(63, 130, 207)
HSL	hsl(212, 60%, 53%)
HSV	hsv(212, 70%, 81%)
CMYK	cmyk(69.6%, 37.2%, 0%, 18.8%)
CIE-LAB	lab(53.52, 4.01, -45.96)
CIE-LCH	lch(53.52, 46.13, 274.99°)
OKLab	oklab(59.99% -0.0383 -0.1307)
OKLCH	oklch(59.99% 0.136 253.7)
XYZ	xyz(21.2909, 21.5248, 62.0520)
Luminance	0.2153 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F82CF #CF8C3F

analogous

#3FCACF #3F82CF #443FCF

triadic

#3F82CF #CF3F82 #82CF3F

tetradic

#3F82CF #CF3FCA #CF8C3F #3FCF44

square

#3F82CF #CF3FCA #CF8C3F #3FCF44

split-complementary

#3F82CF #CF443F #CACF3F

monochromatic

#1E4776 #2A64A7 #3F82CF #70A2DB #A1C2E7

Accessibility & contrast

On white

3.96

#3F82CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#3F82CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F82CF

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F82CF	#FFFFFF	#000000	##000000
##3F82CF	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F87D2

Deuteranopia (green-blind)

#4A7ACD

Tritanopia (blue-blind)

#00949E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3f82cf;
/* rgb */ color: rgb(63, 130, 207);
/* oklch */ color: oklch(60.0% 0.136 253.7);

Tailwind

colors: {
  custom: {
    50: '#84a5de',
    500: '#3f82cf',
    950: '#000000',
  },
}

SCSS

$custom: #3f82cf;
$custom-light: #84a5de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f82cf",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 207
  },
  "hsl": {
    "h": 212.083,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.59986,
    "c": 0.13624,
    "h": 253.7
  },
  "luminance": 0.21527
}

Semantic roles & 50–950 ramp

primary

#3F82CF

secondary

#D4B796

accent

#9945E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3F82CF

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

Preview Lab → · Contrast checker → · Palette generator →