#4241D8#4241D8

#4241D8 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.3% C 0.223 H 274.5°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#4241D8
RGB	rgb(66, 65, 216)
HSL	hsl(240, 66%, 55%)
HSV	hsv(240, 70%, 85%)
CMYK	cmyk(69.4%, 69.9%, 0%, 15.3%)
CIE-LAB	lab(37.65, 47.81, -76.75)
CIE-LCH	lch(37.65, 90.42, 301.92°)
OKLab	oklab(48.26% 0.0173 -0.2218)
OKLCH	oklch(48.26% 0.223 274.5)
XYZ	xyz(16.5276, 9.8951, 65.9914)
Luminance	0.0990 (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

#4241D8 #D7D841

analogous

#418CD8 #4241D8 #8D41D8

triadic

#4241D8 #D84241 #41D842

tetradic

#4241D8 #D8418C #D7D841 #41D88D

square

#4241D8 #D8418C #D7D841 #41D88D

split-complementary

#4241D8 #D88D41 #8CD841

monochromatic

#1C1B84 #2625B6 #4241D8 #7574E2 #A7A7ED

Accessibility & contrast

On white

7.05

#4241D8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4241D8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4241D8

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4241D8	#FFFFFF	#000000	##FFFFFF
##4241D8	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DD

Deuteranopia (green-blind)

#0052D5

Tritanopia (blue-blind)

#006B88

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4241d8;
/* rgb */ color: rgb(66, 65, 216);
/* oklch */ color: oklch(48.3% 0.223 274.5);

Tailwind

colors: {
  custom: {
    50: '#8a77e5',
    500: '#4241d8',
    950: '#000000',
  },
}

SCSS

$custom: #4241d8;
$custom-light: #8a77e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4241d8",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 216
  },
  "hsl": {
    "h": 240.397,
    "s": 65.939,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48264,
    "c": 0.22253,
    "h": 274.5
  },
  "luminance": 0.09897
}

Semantic roles & 50–950 ramp

primary

#4241D8

secondary

#DADA9B

accent

#E93FE8

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4241D8

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

Preview Lab → · Contrast checker → · Palette generator →