#4241CB#4241CB

#4241CB is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.0% C 0.207 H 275.3°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#4241CB
RGB	rgb(66, 65, 203)
HSL	hsl(240, 57%, 53%)
HSV	hsv(240, 68%, 80%)
CMYK	cmyk(67.5%, 68%, 0%, 20.4%)
CIE-LAB	lab(36.46, 43.56, -71.20)
CIE-LCH	lch(36.46, 83.47, 301.46°)
OKLab	oklab(47.04% 0.0191 -0.2056)
OKLCH	oklch(47.04% 0.207 275.3)
XYZ	xyz(14.9130, 9.2493, 57.4877)
Luminance	0.0925 (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

#4241CB #CACB41

analogous

#4185CB #4241CB #8741CB

triadic

#4241CB #CB4241 #41CB42

tetradic

#4241CB #CB4185 #CACB41 #41CB87

square

#4241CB #CB4185 #CACB41 #41CB87

split-complementary

#4241CB #CB8741 #85CB41

monochromatic

#201F72 #2D2CA2 #4241CB #7271D8 #A2A1E5

Accessibility & contrast

On white

7.37

#4241CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#4241CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4241CB

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4241CB	#FFFFFF	#000000	##FFFFFF
##4241CB	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCF

Deuteranopia (green-blind)

#004FC8

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4241cb;
/* rgb */ color: rgb(66, 65, 203);
/* oklch */ color: oklch(47.0% 0.207 275.3);

Tailwind

colors: {
  custom: {
    50: '#8876dc',
    500: '#4241cb',
    950: '#000000',
  },
}

SCSS

$custom: #4241cb;
$custom-light: #8876dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4241cb",
  "rgb": {
    "r": 66,
    "g": 65,
    "b": 203
  },
  "hsl": {
    "h": 240.435,
    "s": 57.025,
    "l": 52.549
  },
  "oklch": {
    "l": 0.47043,
    "c": 0.20651,
    "h": 275.3
  },
  "luminance": 0.09251
}

Semantic roles & 50–950 ramp

primary

#4241CB

secondary

#D1D296

accent

#E048DF

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4241CB

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

Preview Lab → · Contrast checker → · Palette generator →