#4272DE#4272DE

#4272DE is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.6% C 0.173 H 263.8°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4272DE
RGB	rgb(66, 114, 222)
HSL	hsl(222, 70%, 56%)
HSV	hsv(222, 70%, 87%)
CMYK	cmyk(70.3%, 48.6%, 0%, 12.9%)
CIE-LAB	lab(50.05, 19.67, -59.97)
CIE-LCH	lch(50.05, 63.12, 288.16°)
OKLab	oklab(57.62% -0.0187 -0.1721)
OKLCH	oklch(57.62% 0.173 263.8)
XYZ	xyz(21.4442, 18.4646, 71.5270)
Luminance	0.1847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4272DE #DEAE42

analogous

#42C0DE #4272DE #6042DE

triadic

#4272DE #DE4272 #72DE42

tetradic

#4272DE #DE42C0 #DEAE42 #42DE60

square

#4272DE #DE42C0 #DEAE42 #42DE60

split-complementary

#4272DE #DE6042 #C0DE42

monochromatic

#193C8D #2253C1 #4272DE #7699E7 #AAC0F0

Accessibility & contrast

On white

4.47

#4272DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#4272DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4272DE

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4272DE	#FFFFFF	#000000	##000000
##4272DE	1.00	4.47	4.69	4.69
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#357FE2

Deuteranopia (green-blind)

#0070DC

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4272de;
/* rgb */ color: rgb(66, 114, 222);
/* oklch */ color: oklch(57.6% 0.173 263.8);

Tailwind

colors: {
  custom: {
    50: '#8899e9',
    500: '#4272de',
    950: '#000000',
  },
}

SCSS

$custom: #4272de;
$custom-light: #8899e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4272de",
  "rgb": {
    "r": 66,
    "g": 114,
    "b": 222
  },
  "hsl": {
    "h": 221.538,
    "s": 70.27,
    "l": 56.471
  },
  "oklch": {
    "l": 0.57622,
    "c": 0.17314,
    "h": 263.8
  },
  "luminance": 0.18467
}

Semantic roles & 50–950 ramp

primary

#4272DE

secondary

#DECA9E

accent

#B63BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4272DE

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

Preview Lab → · Contrast checker → · Palette generator →