#403AC8#403AC8

#403AC8 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.6% C 0.211 H 275.9°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#403AC8
RGB	rgb(64, 58, 200)
HSL	hsl(243, 56%, 51%)
HSV	hsv(243, 71%, 78%)
CMYK	cmyk(68%, 71%, 0%, 21.6%)
CIE-LAB	lab(34.57, 46.40, -72.56)
CIE-LCH	lch(34.57, 86.13, 302.59°)
OKLab	oklab(45.57% 0.0216 -0.2097)
OKLCH	oklch(45.57% 0.211 275.9)
XYZ	xyz(14.0493, 8.2850, 55.4911)
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

#403AC8 #C2C83A

analogous

#3A7BC8 #403AC8 #873AC8

triadic

#403AC8 #C8403A #3AC840

tetradic

#403AC8 #C83A7B #C2C83A #3AC887

square

#403AC8 #C83A7B #C2C83A #3AC887

split-complementary

#403AC8 #C8873A #7BC83A

monochromatic

#211E6A #302B9A #403AC8 #6E6AD5 #9D9AE3

Accessibility & contrast

On white

7.90

#403AC8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#403AC8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403AC8

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403AC8	#FFFFFF	#000000	##FFFFFF
##403AC8	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)

#0058CC

Deuteranopia (green-blind)

#004BC5

Tritanopia (blue-blind)

#00617D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #403ac8;
/* rgb */ color: rgb(64, 58, 200);
/* oklch */ color: oklch(45.6% 0.211 275.9);

Tailwind

colors: {
  custom: {
    50: '#8772da',
    500: '#403ac8',
    950: '#000000',
  },
}

SCSS

$custom: #403ac8;
$custom-light: #8772da;
$custom-dark: #000000;

JSON

{
  "hex": "#403ac8",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 200
  },
  "hsl": {
    "h": 242.535,
    "s": 56.349,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45566,
    "c": 0.21078,
    "h": 275.9
  },
  "luminance": 0.08286
}

Semantic roles & 50–950 ramp

primary

#403AC8

secondary

#CCCE8F

accent

#E048D9

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403AC8

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

Preview Lab → · Contrast checker → · Palette generator →