#4245DA#4245DA

#4245DA is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.1% C 0.221 H 273.8°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#4245DA
RGB	rgb(66, 69, 218)
HSL	hsl(239, 67%, 56%)
HSV	hsv(239, 70%, 85%)
CMYK	cmyk(69.7%, 68.3%, 0%, 14.5%)
CIE-LAB	lab(38.68, 46.16, -76.21)
CIE-LCH	lch(38.68, 89.10, 301.20°)
OKLab	oklab(49.06% 0.0147 -0.2203)
OKLCH	oklch(49.06% 0.221 273.8)
XYZ	xyz(17.0256, 10.4748, 67.4407)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue (survey)

#0343DF

ΔE00 3.35

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4245DA #DAD742

analogous

#4291DA #4245DA #8B42DA

triadic

#4245DA #DA4245 #45DA42

tetradic

#4245DA #DA4291 #DAD742 #42DA8B

square

#4245DA #DA4291 #DAD742 #42DA8B

split-complementary

#4245DA #DA8B42 #91DA42

monochromatic

#1A1D87 #2427BA #4245DA #7577E4 #A8AAEE

Accessibility & contrast

On white

6.78

#4245DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#4245DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4245DA

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245DA	#FFFFFF	#000000	##FFFFFF
##4245DA	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062DF

Deuteranopia (green-blind)

#0054D7

Tritanopia (blue-blind)

#006E8A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4245da;
/* rgb */ color: rgb(66, 69, 218);
/* oklch */ color: oklch(49.1% 0.221 273.8);

Tailwind

colors: {
  custom: {
    50: '#8b7ae7',
    500: '#4245da',
    950: '#000000',
  },
}

SCSS

$custom: #4245da;
$custom-light: #8b7ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4245da",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 218
  },
  "hsl": {
    "h": 238.816,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.4906,
    "c": 0.22076,
    "h": 273.8
  },
  "luminance": 0.10476
}

Semantic roles & 50–950 ramp

primary

#4245DA

secondary

#DBDA9C

accent

#E73EEA

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4245DA

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

Preview Lab → · Contrast checker → · Palette generator →