#4245DD#4245DD

#4245DD is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.3% C 0.224 H 273.7°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#4245DD
RGB	rgb(66, 69, 221)
HSL	hsl(239, 70%, 56%)
HSV	hsv(239, 70%, 87%)
CMYK	cmyk(70.1%, 68.8%, 0%, 13.3%)
CIE-LAB	lab(38.96, 47.14, -77.47)
CIE-LCH	lch(38.96, 90.69, 301.32°)
OKLab	oklab(49.34% 0.0143 -0.224)
OKLCH	oklch(49.34% 0.224 273.7)
XYZ	xyz(17.4217, 10.6333, 69.5269)
Luminance	0.1064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4245DD #DDDA42

analogous

#4293DD #4245DD #8D42DD

triadic

#4245DD #DD4245 #45DD42

tetradic

#4245DD #DD4293 #DDDA42 #42DD8D

square

#4245DD #DD4293 #DDDA42 #42DD8D

split-complementary

#4245DD #DD8D42 #93DD42

monochromatic

#191B8C #2225BF #4245DD #7678E6 #AAABF0

Accessibility & contrast

On white

6.72

#4245DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#4245DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4245DD

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245DD	#FFFFFF	#000000	##FFFFFF
##4245DD	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E2

Deuteranopia (green-blind)

#0054DA

Tritanopia (blue-blind)

#006F8C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4245dd;
/* rgb */ color: rgb(66, 69, 221);
/* oklch */ color: oklch(49.3% 0.224 273.7);

Tailwind

colors: {
  custom: {
    50: '#8b7ae9',
    500: '#4245dd',
    950: '#000000',
  },
}

SCSS

$custom: #4245dd;
$custom-light: #8b7ae9;
$custom-dark: #000000;

JSON

{
  "hex": "#4245dd",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 221
  },
  "hsl": {
    "h": 238.839,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.49341,
    "c": 0.22443,
    "h": 273.7
  },
  "luminance": 0.10635
}

Semantic roles & 50–950 ramp

primary

#4245DD

secondary

#DDDC9D

accent

#E93BEC

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4245DD

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

Preview Lab → · Contrast checker → · Palette generator →