#2F66DF#2F66DF

#2F66DF is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.5% C 0.194 H 263.1°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#2F66DF
RGB	rgb(47, 102, 223)
HSL	hsl(221, 73%, 53%)
HSV	hsv(221, 79%, 87%)
CMYK	cmyk(78.9%, 54.3%, 0%, 12.5%)
CIE-LAB	lab(46.22, 25.38, -66.77)
CIE-LCH	lch(46.22, 71.43, 290.81°)
OKLab	oklab(54.53% -0.0233 -0.1926)
OKLCH	oklch(54.53% 0.194 263.1)
XYZ	xyz(19.2382, 15.4325, 71.7626)
Luminance	0.1543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66DF #DFA82F

analogous

#2FBEDF #2F66DF #502FDF

triadic

#2F66DF #DF2F66 #66DF2F

tetradic

#2F66DF #DF2FBE #DFA82F #2FDF50

square

#2F66DF #DF2FBE #DFA82F #2FDF50

split-complementary

#2F66DF #DF502F #BEDF2F

monochromatic

#143680 #1C4CB5 #2F66DF #648DE7 #99B4EF

Accessibility & contrast

On white

5.14

#2F66DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#2F66DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66DF

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66DF	#FFFFFF	#000000	##FFFFFF
##2F66DF	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E3

Deuteranopia (green-blind)

#0066DD

Tritanopia (blue-blind)

#008498

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2f66df;
/* rgb */ color: rgb(47, 102, 223);
/* oklch */ color: oklch(54.5% 0.194 263.1);

Tailwind

colors: {
  custom: {
    50: '#8391ea',
    500: '#2f66df',
    950: '#000000',
  },
}

SCSS

$custom: #2f66df;
$custom-light: #8391ea;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66df",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 223
  },
  "hsl": {
    "h": 221.25,
    "s": 73.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54534,
    "c": 0.19406,
    "h": 263.1
  },
  "luminance": 0.15435
}

Semantic roles & 50–950 ramp

primary

#2F66DF

secondary

#DBC38F

accent

#B638F0

background

#F8F8FE

surface

#F0F0FD

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #2F66DF

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

Preview Lab → · Contrast checker → · Palette generator →