#403BE6#403BE6

#403BE6 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.7% C 0.245 H 273.7°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#403BE6
RGB	rgb(64, 59, 230)
HSL	hsl(242, 77%, 57%)
HSV	hsv(242, 74%, 90%)
CMYK	cmyk(72.2%, 74.3%, 0%, 9.8%)
CIE-LAB	lab(37.72, 55.37, -84.66)
CIE-LCH	lch(37.72, 101.16, 303.19°)
OKLab	oklab(48.68% 0.0157 -0.2449)
OKLCH	oklch(48.68% 0.245 273.7)
XYZ	xyz(17.9565, 9.9293, 75.8178)
Luminance	0.0993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403BE6 #E1E63B

analogous

#3B8CE6 #403BE6 #953BE6

triadic

#403BE6 #E6403B #3BE640

tetradic

#403BE6 #E63B8C #E1E63B #3BE695

square

#403BE6 #E63B8C #E1E63B #3BE695

split-complementary

#403BE6 #E6953B #8CE63B

monochromatic

#171394 #1F1ACA #403BE6 #7571ED #AAA8F4

Accessibility & contrast

On white

7.03

#403BE6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#403BE6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BE6

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BE6	#FFFFFF	#000000	##FFFFFF
##403BE6	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061EB

Deuteranopia (green-blind)

#0051E3

Tritanopia (blue-blind)

#006D8E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #403be6;
/* rgb */ color: rgb(64, 59, 230);
/* oklch */ color: oklch(48.7% 0.245 273.7);

Tailwind

colors: {
  custom: {
    50: '#8d74ef',
    500: '#403be6',
    950: '#000000',
  },
}

SCSS

$custom: #403be6;
$custom-light: #8d74ef;
$custom-dark: #000000;

JSON

{
  "hex": "#403be6",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 230
  },
  "hsl": {
    "h": 241.754,
    "s": 77.376,
    "l": 56.667
  },
  "oklch": {
    "l": 0.48684,
    "c": 0.24542,
    "h": 273.7
  },
  "luminance": 0.09931
}

Semantic roles & 50–950 ramp

primary

#403BE6

secondary

#DFE19B

accent

#F434EE

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0817

muted

#7E7B85

Preview Lab

Preview with #403BE6

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

Preview Lab → · Contrast checker → · Palette generator →