#2666DB#2666DB

#2666DB is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.0% C 0.191 H 261.2°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#2666DB
RGB	rgb(38, 102, 219)
HSL	hsl(219, 72%, 50%)
HSV	hsv(219, 83%, 86%)
CMYK	cmyk(82.6%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(45.67, 23.06, -65.41)
CIE-LCH	lch(45.67, 69.35, 289.42°)
OKLab	oklab(53.95% -0.0291 -0.1887)
OKLCH	oklch(53.95% 0.191 261.2)
XYZ	xyz(18.3322, 15.0270, 68.9384)
Luminance	0.1503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2666DB #DB9B26

analogous

#26C0DB #2666DB #4126DB

triadic

#2666DB #DB2666 #66DB26

tetradic

#2666DB #DB26C0 #DB9B26 #26DB41

square

#2666DB #DB26C0 #DB9B26 #26DB41

split-complementary

#2666DB #DB4126 #C0DB26

monochromatic

#133573 #1C4DA8 #2666DB #5A8BE4 #8FB0EC

Accessibility & contrast

On white

5.24

#2666DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#2666DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2666DB

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2666DB	#FFFFFF	#000000	##FFFFFF
##2666DB	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075DF

Deuteranopia (green-blind)

#0064D9

Tritanopia (blue-blind)

#008397

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #2666db;
/* rgb */ color: rgb(38, 102, 219);
/* oklch */ color: oklch(54.0% 0.191 261.2);

Tailwind

colors: {
  custom: {
    50: '#7f90e7',
    500: '#2666db',
    950: '#000000',
  },
}

SCSS

$custom: #2666db;
$custom-light: #7f90e7;
$custom-dark: #000000;

JSON

{
  "hex": "#2666db",
  "rgb": {
    "r": 38,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 218.785,
    "s": 71.542,
    "l": 50.392
  },
  "oklch": {
    "l": 0.53953,
    "c": 0.19098,
    "h": 261.2
  },
  "luminance": 0.15029
}

Semantic roles & 50–950 ramp

primary

#2666DB

secondary

#D7BA86

accent

#AE3AEE

background

#F8F8FE

surface

#F0F0FD

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #2666DB

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

Preview Lab → · Contrast checker → · Palette generator →