#2F66FF#2F66FF

#2F66FF is a mid, highly saturated blue. Relative luminance 0.173; OKLCH L 57.1% C 0.235 H 264.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#2F66FF
RGB	rgb(47, 102, 255)
HSL	hsl(224, 100%, 59%)
HSV	hsv(224, 82%, 100%)
CMYK	cmyk(81.6%, 60%, 0%, 0%)
CIE-LAB	lab(48.67, 37.15, -80.73)
CIE-LCH	lch(48.67, 88.87, 294.71°)
OKLab	oklab(57.13% -0.0218 -0.2336)
OKLCH	oklch(57.13% 0.235 264.7)
XYZ	xyz(23.9673, 17.3242, 96.6691)
Luminance	0.1733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66FF #FFC82F

analogous

#2FCEFF #2F66FF #602FFF

triadic

#2F66FF #FF2F66 #66FF2F

tetradic

#2F66FF #FF2FCE #FFC82F #2FFF60

square

#2F66FF #FF2FCE #FFC82F #2FFF60

split-complementary

#2F66FF #FF602F #CEFF2F

monochromatic

#002FB4 #0040F1 #2F66FF #6C93FF #A9C0FF

Accessibility & contrast

On white

4.70

#2F66FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#2F66FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66FF

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66FF	#FFFFFF	#000000	##FFFFFF
##2F66FF	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007EFF

Deuteranopia (green-blind)

#006AFC

Tritanopia (blue-blind)

#008EA9

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #2f66ff;
/* rgb */ color: rgb(47, 102, 255);
/* oklch */ color: oklch(57.1% 0.235 264.7);

Tailwind

colors: {
  custom: {
    50: '#8a91ff',
    500: '#2f66ff',
    950: '#000000',
  },
}

SCSS

$custom: #2f66ff;
$custom-light: #8a91ff;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66ff",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 255
  },
  "hsl": {
    "h": 224.135,
    "s": 100,
    "l": 59.216
  },
  "oklch": {
    "l": 0.57133,
    "c": 0.23464,
    "h": 264.7
  },
  "luminance": 0.17327
}

Semantic roles & 50–950 ramp

primary

#2F66FF

secondary

#EED89C

accent

#C629FF

background

#F9F8FF

surface

#F2F0FF

border

#CCCBD7

text

#0E0C18

muted

#7E7D86

Preview Lab

Preview with #2F66FF

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

Preview Lab → · Contrast checker → · Palette generator →