#4241BC#4241BC

#4241BC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.187 H 276.4°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#4241BC
RGB	rgb(66, 65, 188)
HSL	hsl(240, 49%, 50%)
HSV	hsv(240, 65%, 74%)
CMYK	cmyk(64.9%, 65.4%, 0%, 26.3%)
CIE-LAB	lab(35.14, 38.57, -64.60)
CIE-LCH	lch(35.14, 75.23, 300.84°)
OKLab	oklab(45.68% 0.0208 -0.1863)
OKLCH	oklch(45.68% 0.187 276.4)
XYZ	xyz(13.2112, 8.5686, 48.5249)
Luminance	0.0857 (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

#4241BC #BBBC41

analogous

#417DBC #4241BC #8041BC

triadic

#4241BC #BC4241 #41BC42

tetradic

#4241BC #BC417D #BBBC41 #41BC80

square

#4241BC #BC417D #BBBC41 #41BC80

split-complementary

#4241BC #BC8041 #7DBC41

monochromatic

#222261 #32318F #4241BC #6E6ECD #9C9BDC

Accessibility & contrast

On white

7.74

#4241BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4241BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4241BC

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4241BC	#FFFFFF	#000000	##FFFFFF
##4241BC	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4241bc;
/* rgb */ color: rgb(66, 65, 188);
/* oklch */ color: oklch(45.7% 0.187 276.4);

Tailwind

colors: {
  custom: {
    50: '#8576d1',
    500: '#4241bc',
    950: '#000000',
  },
}

SCSS

$custom: #4241bc;
$custom-light: #8576d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4241bc",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 188
  },
  "hsl": {
    "h": 240.488,
    "s": 48.617,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45682,
    "c": 0.18744,
    "h": 276.4
  },
  "luminance": 0.0857
}

Semantic roles & 50–950 ramp

primary

#4241BC

secondary

#C8C990

accent

#D850D7

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #4241BC

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

Preview Lab → · Contrast checker → · Palette generator →