#403AEA#403AEA

#403AEA is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 49.0% C 0.251 H 273.5°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#403AEA
RGB	rgb(64, 58, 234)
HSL	hsl(242, 81%, 57%)
HSV	hsv(242, 75%, 92%)
CMYK	cmyk(72.6%, 75.2%, 0%, 8.2%)
CIE-LAB	lab(37.94, 57.13, -86.56)
CIE-LCH	lch(37.94, 103.71, 303.42°)
OKLab	oklab(48.96% 0.0153 -0.2504)
OKLCH	oklch(48.96% 0.251 273.5)
XYZ	xyz(18.4737, 10.0547, 78.7931)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403AEA #E4EA3A

analogous

#3A8CEA #403AEA #983AEA

triadic

#403AEA #EA403A #3AEA40

tetradic

#403AEA #EA3A8C #E4EA3A #3AEA98

square

#403AEA #EA3A8C #E4EA3A #3AEA98

split-complementary

#403AEA #EA983A #8CEA3A

monochromatic

#151099 #1D16D1 #403AEA #7671F0 #ABA9F6

Accessibility & contrast

On white

6.97

#403AEA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#403AEA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #403AEA

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403AEA	#FFFFFF	#000000	##FFFFFF
##403AEA	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061EF

Deuteranopia (green-blind)

#0051E7

Tritanopia (blue-blind)

#006E90

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #403aea;
/* rgb */ color: rgb(64, 58, 234);
/* oklch */ color: oklch(49.0% 0.251 273.5);

Tailwind

colors: {
  custom: {
    50: '#8e73f2',
    500: '#403aea',
    950: '#000000',
  },
}

SCSS

$custom: #403aea;
$custom-light: #8e73f2;
$custom-dark: #000000;

JSON

{
  "hex": "#403aea",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 234
  },
  "hsl": {
    "h": 242.045,
    "s": 80.734,
    "l": 57.255
  },
  "oklch": {
    "l": 0.48964,
    "c": 0.2509,
    "h": 273.5
  },
  "luminance": 0.10057
}

Semantic roles & 50–950 ramp

primary

#403AEA

secondary

#E1E49C

accent

#F731F0

background

#F9F7FF

surface

#F2EDFE

border

#CCC8D6

text

#0E0817

muted

#7E7B85

Preview Lab

Preview with #403AEA

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

Preview Lab → · Contrast checker → · Palette generator →