#4041E5#4041E5

#4041E5 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.4% C 0.239 H 273.1°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#4041E5
RGB	rgb(64, 65, 229)
HSL	hsl(240, 76%, 57%)
HSV	hsv(240, 72%, 90%)
CMYK	cmyk(72.1%, 71.6%, 0%, 10.2%)
CIE-LAB	lab(38.77, 51.81, -82.35)
CIE-LCH	lch(38.77, 97.29, 302.18°)
OKLab	oklab(49.4% 0.0131 -0.2382)
OKLCH	oklch(49.4% 0.239 273.1)
XYZ	xyz(18.1428, 10.5259, 75.1891)
Luminance	0.1053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4041E5 #E5E440

analogous

#4094E5 #4041E5 #9140E5

triadic

#4041E5 #E54041 #41E540

tetradic

#4041E5 #E54094 #E5E440 #40E591

square

#4041E5 #E54094 #E5E440 #40E591

split-complementary

#4041E5 #E59140 #94E540

monochromatic

#141596 #1C1DCC #4041E5 #7677EC #ACACF4

Accessibility & contrast

On white

6.76

#4041E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4041E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4041E5

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4041E5	#FFFFFF	#000000	##FFFFFF
##4041E5	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063EA

Deuteranopia (green-blind)

#0053E2

Tritanopia (blue-blind)

#00708F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4041e5;
/* rgb */ color: rgb(64, 65, 229);
/* oklch */ color: oklch(49.4% 0.239 273.1);

Tailwind

colors: {
  custom: {
    50: '#8c77ef',
    500: '#4041e5',
    950: '#000000',
  },
}

SCSS

$custom: #4041e5;
$custom-light: #8c77ef;
$custom-dark: #000000;

JSON

{
  "hex": "#4041e5",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 229
  },
  "hsl": {
    "h": 239.636,
    "s": 76.037,
    "l": 57.451
  },
  "oklch": {
    "l": 0.49404,
    "c": 0.23859,
    "h": 273.1
  },
  "luminance": 0.10528
}

Semantic roles & 50–950 ramp

primary

#4041E5

secondary

#E2E19F

accent

#F135F3

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0917

muted

#7E7B85

Preview Lab

Preview with #4041E5

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

Preview Lab → · Contrast checker → · Palette generator →