#403BC6#403BC6

#403BC6 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.5% C 0.207 H 275.9°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#403BC6
RGB	rgb(64, 59, 198)
HSL	hsl(242, 55%, 50%)
HSV	hsv(242, 70%, 78%)
CMYK	cmyk(67.7%, 70.2%, 0%, 22.4%)
CIE-LAB	lab(34.59, 45.18, -71.37)
CIE-LCH	lch(34.59, 84.46, 302.33°)
OKLab	oklab(45.52% 0.0213 -0.2062)
OKLCH	oklch(45.52% 0.207 275.9)
XYZ	xyz(13.8680, 8.2939, 54.2852)
Luminance	0.0829 (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

#403BC6 #C1C63B

analogous

#3B7CC6 #403BC6 #853BC6

triadic

#403BC6 #C6403B #3BC640

tetradic

#403BC6 #C63B7C #C1C63B #3BC685

square

#403BC6 #C63B7C #C1C63B #3BC685

split-complementary

#403BC6 #C6853B #7CC63B

monochromatic

#211E68 #302C98 #403BC6 #6E6AD4 #9C9AE2

Accessibility & contrast

On white

7.90

#403BC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#403BC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BC6

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BC6	#FFFFFF	#000000	##FFFFFF
##403BC6	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CA

Deuteranopia (green-blind)

#004BC3

Tritanopia (blue-blind)

#00617C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403bc6;
/* rgb */ color: rgb(64, 59, 198);
/* oklch */ color: oklch(45.5% 0.207 275.9);

Tailwind

colors: {
  custom: {
    50: '#8672d8',
    500: '#403bc6',
    950: '#000000',
  },
}

SCSS

$custom: #403bc6;
$custom-light: #8672d8;
$custom-dark: #000000;

JSON

{
  "hex": "#403bc6",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 198
  },
  "hsl": {
    "h": 242.158,
    "s": 54.941,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45522,
    "c": 0.20728,
    "h": 275.9
  },
  "luminance": 0.08295
}

Semantic roles & 50–950 ramp

primary

#403BC6

secondary

#CBCD8F

accent

#DE4AD9

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403BC6

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

Preview Lab → · Contrast checker → · Palette generator →