#403BC8#403BC8

#403BC8 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.7% C 0.210 H 275.7°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#403BC8
RGB	rgb(64, 59, 200)
HSL	hsl(242, 56%, 51%)
HSV	hsv(242, 71%, 78%)
CMYK	cmyk(68%, 70.5%, 0%, 21.6%)
CIE-LAB	lab(34.78, 45.83, -72.23)
CIE-LCH	lch(34.78, 85.54, 302.39°)
OKLab	oklab(45.71% 0.021 -0.2087)
OKLCH	oklch(45.71% 0.21 275.7)
XYZ	xyz(14.1002, 8.3868, 55.5081)
Luminance	0.0839 (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

#403BC8 #C3C83B

analogous

#3B7CC8 #403BC8 #873BC8

triadic

#403BC8 #C8403B #3BC840

tetradic

#403BC8 #C83B7C #C3C83B #3BC887

square

#403BC8 #C83B7C #C3C83B #3BC887

split-complementary

#403BC8 #C8873B #7CC83B

monochromatic

#211E6B #2F2B9A #403BC8 #6F6BD5 #9D9BE3

Accessibility & contrast

On white

7.84

#403BC8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#403BC8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BC8

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BC8	#FFFFFF	#000000	##FFFFFF
##403BC8	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CC

Deuteranopia (green-blind)

#004BC5

Tritanopia (blue-blind)

#00627D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #403bc8;
/* rgb */ color: rgb(64, 59, 200);
/* oklch */ color: oklch(45.7% 0.210 275.7);

Tailwind

colors: {
  custom: {
    50: '#8772da',
    500: '#403bc8',
    950: '#000000',
  },
}

SCSS

$custom: #403bc8;
$custom-light: #8772da;
$custom-dark: #000000;

JSON

{
  "hex": "#403bc8",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 200
  },
  "hsl": {
    "h": 242.128,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.45713,
    "c": 0.20973,
    "h": 275.7
  },
  "luminance": 0.08388
}

Semantic roles & 50–950 ramp

primary

#403BC8

secondary

#CCCF90

accent

#DF48DA

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403BC8

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

Preview Lab → · Contrast checker → · Palette generator →