#2F66D8#2F66D8

#2F66D8 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.0% C 0.185 H 262.6°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#2F66D8
RGB	rgb(47, 102, 216)
HSL	hsl(220, 68%, 52%)
HSV	hsv(220, 78%, 85%)
CMYK	cmyk(78.2%, 52.8%, 0%, 15.3%)
CIE-LAB	lab(45.72, 22.76, -63.61)
CIE-LCH	lch(45.72, 67.56, 289.69°)
OKLab	oklab(54% -0.0239 -0.1834)
OKLCH	oklch(54% 0.185 262.6)
XYZ	xyz(18.3139, 15.0628, 66.8946)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66D8 #D8A12F

analogous

#2FBBD8 #2F66D8 #4D2FD8

triadic

#2F66D8 #D82F66 #66D82F

tetradic

#2F66D8 #D82FBB #D8A12F #2FD84D

square

#2F66D8 #D82FBB #D8A12F #2FD84D

split-complementary

#2F66D8 #D84D2F #BBD82F

monochromatic

#163676 #204DAA #2F66D8 #638CE2 #96B2EB

Accessibility & contrast

On white

5.23

#2F66D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#2F66D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66D8

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66D8	#FFFFFF	#000000	##FFFFFF
##2F66D8	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B74DC

Deuteranopia (green-blind)

#0065D6

Tritanopia (blue-blind)

#008295

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #2f66d8;
/* rgb */ color: rgb(47, 102, 216);
/* oklch */ color: oklch(54.0% 0.185 262.6);

Tailwind

colors: {
  custom: {
    50: '#8191e5',
    500: '#2f66d8',
    950: '#000000',
  },
}

SCSS

$custom: #2f66d8;
$custom-light: #8191e5;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66d8",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 216
  },
  "hsl": {
    "h": 220.473,
    "s": 68.421,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53996,
    "c": 0.18491,
    "h": 262.6
  },
  "luminance": 0.15065
}

Semantic roles & 50–950 ramp

primary

#2F66D8

secondary

#D7BE8C

accent

#B23DEB

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #2F66D8

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

Preview Lab → · Contrast checker → · Palette generator →