#403299#403299

#403299 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.9% C 0.160 H 282.5°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#403299
RGB	rgb(64, 50, 153)
HSL	hsl(248, 51%, 40%)
HSV	hsv(248, 67%, 60%)
CMYK	cmyk(58.2%, 67.3%, 0%, 40%)
CIE-LAB	lab(28.57, 35.83, -54.38)
CIE-LCH	lch(28.57, 65.12, 303.38°)
OKLab	oklab(39.94% 0.0348 -0.1564)
OKLCH	oklch(39.94% 0.16 282.5)
XYZ	xyz(9.0029, 5.6705, 30.7509)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403299 #8B9932

analogous

#325899 #403299 #733299

triadic

#403299 #994032 #329940

tetradic

#403299 #993258 #8B9932 #329973

square

#403299 #993258 #8B9932 #329973

split-complementary

#403299 #997332 #589932

monochromatic

#19143D #2D236B #403299 #5746C2 #8174D2

Accessibility & contrast

On white

9.84

#403299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#403299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403299

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403299	#FFFFFF	#000000	##FFFFFF
##403299	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479C

Deuteranopia (green-blind)

#004097

Tritanopia (blue-blind)

#0F4C61

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #403299;
/* rgb */ color: rgb(64, 50, 153);
/* oklch */ color: oklch(39.9% 0.160 282.5);

Tailwind

colors: {
  custom: {
    50: '#7e6bb8',
    500: '#403299',
    950: '#000000',
  },
}

SCSS

$custom: #403299;
$custom-light: #7e6bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#403299",
  "rgb": {
    "r": 64,
    "g": 50,
    "b": 153
  },
  "hsl": {
    "h": 248.155,
    "s": 50.739,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39941,
    "c": 0.16025,
    "h": 282.5
  },
  "luminance": 0.05671
}

Semantic roles & 50–950 ramp

primary

#403299

secondary

#AFBA6D

accent

#DA4EC7

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0711

muted

#7C7A80

Preview Lab

Preview with #403299

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

Preview Lab → · Contrast checker → · Palette generator →