#4240D6#4240D6

#4240D6 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.9% C 0.221 H 274.7°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#4240D6
RGB	rgb(66, 64, 214)
HSL	hsl(241, 65%, 55%)
HSV	hsv(241, 70%, 84%)
CMYK	cmyk(69.2%, 70.1%, 0%, 16.1%)
CIE-LAB	lab(37.26, 47.73, -76.25)
CIE-LCH	lch(37.26, 89.96, 302.05°)
OKLab	oklab(47.93% 0.0182 -0.2204)
OKLCH	oklch(47.93% 0.221 274.7)
XYZ	xyz(16.2137, 9.6786, 64.6190)
Luminance	0.0968 (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

#4240D6 #D4D640

analogous

#4089D6 #4240D6 #8D40D6

triadic

#4240D6 #D64240 #40D642

tetradic

#4240D6 #D64089 #D4D640 #40D68D

square

#4240D6 #D64089 #D4D640 #40D68D

split-complementary

#4240D6 #D68D40 #89D640

monochromatic

#1D1B80 #2826B2 #4240D6 #7472E1 #A6A5EC

Accessibility & contrast

On white

7.15

#4240D6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#4240D6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4240D6

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4240D6	#FFFFFF	#000000	##FFFFFF
##4240D6	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDA

Deuteranopia (green-blind)

#0051D3

Tritanopia (blue-blind)

#006A86

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4240d6;
/* rgb */ color: rgb(66, 64, 214);
/* oklch */ color: oklch(47.9% 0.221 274.7);

Tailwind

colors: {
  custom: {
    50: '#8a76e4',
    500: '#4240d6',
    950: '#000000',
  },
}

SCSS

$custom: #4240d6;
$custom-light: #8a76e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4240d6",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 214
  },
  "hsl": {
    "h": 240.8,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.47925,
    "c": 0.22113,
    "h": 274.7
  },
  "luminance": 0.0968
}

Semantic roles & 50–950 ramp

primary

#4240D6

secondary

#D8D999

accent

#E840E5

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #4240D6

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

Preview Lab → · Contrast checker → · Palette generator →