#4041E4#4041E4

#4041E4 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.3% C 0.237 H 273.2°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#4041E4
RGB	rgb(64, 65, 228)
HSL	hsl(240, 75%, 57%)
HSV	hsv(240, 72%, 89%)
CMYK	cmyk(71.9%, 71.5%, 0%, 10.6%)
CIE-LAB	lab(38.67, 51.49, -81.94)
CIE-LCH	lch(38.67, 96.77, 302.15°)
OKLab	oklab(49.31% 0.0132 -0.237)
OKLCH	oklch(49.31% 0.237 273.2)
XYZ	xyz(18.0036, 10.4702, 74.4559)
Luminance	0.1047 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4041E4 #E4E340

analogous

#4093E4 #4041E4 #9140E4

triadic

#4041E4 #E44041 #41E440

tetradic

#4041E4 #E44093 #E4E340 #40E491

square

#4041E4 #E44093 #E4E340 #40E491

split-complementary

#4041E4 #E49140 #93E440

monochromatic

#151695 #1D1ECA #4041E4 #7676EC #ABACF3

Accessibility & contrast

On white

6.79

#4041E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#4041E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4041E4

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041E4	#FFFFFF	#000000	##FFFFFF
##4041E4	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E9

Deuteranopia (green-blind)

#0053E1

Tritanopia (blue-blind)

#006F8E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4041e4;
/* rgb */ color: rgb(64, 65, 228);
/* oklch */ color: oklch(49.3% 0.237 273.2);

Tailwind

colors: {
  custom: {
    50: '#8c77ee',
    500: '#4041e4',
    950: '#000000',
  },
}

SCSS

$custom: #4041e4;
$custom-light: #8c77ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4041e4",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 228
  },
  "hsl": {
    "h": 239.634,
    "s": 75.229,
    "l": 57.255
  },
  "oklch": {
    "l": 0.49306,
    "c": 0.2374,
    "h": 273.2
  },
  "luminance": 0.10472
}

Semantic roles & 50–950 ramp

primary

#4041E4

secondary

#E1E19F

accent

#F136F2

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0917

muted

#7E7B85

Preview Lab

Preview with #4041E4

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

Preview Lab → · Contrast checker → · Palette generator →