#403BC3#403BC3

#403BC3 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.2% C 0.204 H 276.1°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#403BC3
RGB	rgb(64, 59, 195)
HSL	hsl(242, 54%, 50%)
HSV	hsv(242, 70%, 76%)
CMYK	cmyk(67.2%, 69.7%, 0%, 23.5%)
CIE-LAB	lab(34.31, 44.20, -70.07)
CIE-LCH	lch(34.31, 82.85, 302.24°)
OKLab	oklab(45.24% 0.0217 -0.2024)
OKLCH	oklch(45.24% 0.204 276.1)
XYZ	xyz(13.5254, 8.1568, 52.4808)
Luminance	0.0816 (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

#403BC3 #BEC33B

analogous

#3B7AC3 #403BC3 #843BC3

triadic

#403BC3 #C3403B #3BC340

tetradic

#403BC3 #C33B7A #BEC33B #3BC384

square

#403BC3 #C33B7A #BEC33B #3BC384

split-complementary

#403BC3 #C3843B #7AC33B

monochromatic

#211F65 #312D94 #403BC3 #6D69D2 #9B98E0

Accessibility & contrast

On white

7.98

#403BC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#403BC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BC3

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BC3	#FFFFFF	#000000	##FFFFFF
##403BC3	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C7

Deuteranopia (green-blind)

#004BC0

Tritanopia (blue-blind)

#00607A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403bc3;
/* rgb */ color: rgb(64, 59, 195);
/* oklch */ color: oklch(45.2% 0.204 276.1);

Tailwind

colors: {
  custom: {
    50: '#8672d6',
    500: '#403bc3',
    950: '#000000',
  },
}

SCSS

$custom: #403bc3;
$custom-light: #8672d6;
$custom-dark: #000000;

JSON

{
  "hex": "#403bc3",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 195
  },
  "hsl": {
    "h": 242.206,
    "s": 53.543,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45236,
    "c": 0.20356,
    "h": 276.1
  },
  "luminance": 0.08158
}

Semantic roles & 50–950 ramp

primary

#403BC3

secondary

#C9CC8E

accent

#DD4BD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #403BC3

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

Preview Lab → · Contrast checker → · Palette generator →