#403BC7#403BC7

#403BC7 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.6% C 0.208 H 275.8°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#403BC7
RGB	rgb(64, 59, 199)
HSL	hsl(242, 56%, 51%)
HSV	hsv(242, 70%, 78%)
CMYK	cmyk(67.8%, 70.4%, 0%, 22%)
CIE-LAB	lab(34.68, 45.50, -71.80)
CIE-LCH	lch(34.68, 85.00, 302.36°)
OKLab	oklab(45.62% 0.0211 -0.2074)
OKLCH	oklch(45.62% 0.209 275.8)
XYZ	xyz(13.9837, 8.3402, 54.8946)
Luminance	0.0834 (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

#403BC7 #C2C73B

analogous

#3B7CC7 #403BC7 #863BC7

triadic

#403BC7 #C7403B #3BC740

tetradic

#403BC7 #C73B7C #C2C73B #3BC786

square

#403BC7 #C73B7C #C2C73B #3BC786

split-complementary

#403BC7 #C7863B #7CC73B

monochromatic

#211E69 #302C99 #403BC7 #6E6BD5 #9D9AE2

Accessibility & contrast

On white

7.87

#403BC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#403BC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403BC7

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403BC7	#FFFFFF	#000000	##FFFFFF
##403BC7	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CB

Deuteranopia (green-blind)

#004BC4

Tritanopia (blue-blind)

#00627D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #403bc7;
/* rgb */ color: rgb(64, 59, 199);
/* oklch */ color: oklch(45.6% 0.208 275.8);

Tailwind

colors: {
  custom: {
    50: '#8772d9',
    500: '#403bc7',
    950: '#000000',
  },
}

SCSS

$custom: #403bc7;
$custom-light: #8772d9;
$custom-dark: #000000;

JSON

{
  "hex": "#403bc7",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 199
  },
  "hsl": {
    "h": 242.143,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45617,
    "c": 0.2085,
    "h": 275.8
  },
  "luminance": 0.08341
}

Semantic roles & 50–950 ramp

primary

#403BC7

secondary

#CCCE90

accent

#DF49DA

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #403BC7

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

Preview Lab → · Contrast checker → · Palette generator →