#4241D9#4241D9

#4241D9 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.4% C 0.224 H 274.4°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#4241D9
RGB	rgb(66, 65, 217)
HSL	hsl(240, 67%, 55%)
HSV	hsv(240, 70%, 85%)
CMYK	cmyk(69.6%, 70%, 0%, 14.9%)
CIE-LAB	lab(37.75, 48.14, -77.17)
CIE-LCH	lch(37.75, 90.95, 301.96°)
OKLab	oklab(48.36% 0.0172 -0.2231)
OKLCH	oklch(48.36% 0.224 274.4)
XYZ	xyz(16.6573, 9.9470, 66.6743)
Luminance	0.0995 (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

#4241D9 #D8D941

analogous

#418CD9 #4241D9 #8E41D9

triadic

#4241D9 #D94241 #41D942

tetradic

#4241D9 #D9418C #D8D941 #41D98E

square

#4241D9 #D9418C #D8D941 #41D98E

split-complementary

#4241D9 #D98E41 #8CD941

monochromatic

#1B1B85 #2625B8 #4241D9 #7574E3 #A7A7ED

Accessibility & contrast

On white

7.02

#4241D9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#4241D9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4241D9

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4241D9	#FFFFFF	#000000	##FFFFFF
##4241D9	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DE

Deuteranopia (green-blind)

#0052D6

Tritanopia (blue-blind)

#006B88

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4241d9;
/* rgb */ color: rgb(66, 65, 217);
/* oklch */ color: oklch(48.4% 0.224 274.4);

Tailwind

colors: {
  custom: {
    50: '#8b77e6',
    500: '#4241d9',
    950: '#000000',
  },
}

SCSS

$custom: #4241d9;
$custom-light: #8b77e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4241d9",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 217
  },
  "hsl": {
    "h": 240.395,
    "s": 66.667,
    "l": 55.294
  },
  "oklch": {
    "l": 0.4836,
    "c": 0.22374,
    "h": 274.4
  },
  "luminance": 0.09949
}

Semantic roles & 50–950 ramp

primary

#4241D9

secondary

#DADB9B

accent

#EA3EE8

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4241D9

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

Preview Lab → · Contrast checker → · Palette generator →