#403EAE#403EAE

#403EAE is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.8% C 0.173 H 277.3°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#403EAE
RGB	rgb(64, 62, 174)
HSL	hsl(241, 47%, 46%)
HSV	hsv(241, 64%, 68%)
CMYK	cmyk(63.2%, 64.4%, 0%, 31.8%)
CIE-LAB	lab(33.11, 35.42, -59.62)
CIE-LCH	lch(33.11, 69.35, 300.71°)
OKLab	oklab(43.8% 0.022 -0.1718)
OKLCH	oklch(43.8% 0.173 277.3)
XYZ	xyz(11.4745, 7.5903, 40.8966)
Luminance	0.0759 (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

#403EAE #ACAE3E

analogous

#3E74AE #403EAE #783EAE

triadic

#403EAE #AE403E #3EAE40

tetradic

#403EAE #AE3E74 #ACAE3E #3EAE78

square

#403EAE #AE3E74 #ACAE3E #3EAE78

split-complementary

#403EAE #AE783E #74AE3E

monochromatic

#1F1E54 #2F2E81 #403EAE #6462C7 #918FD7

Accessibility & contrast

On white

8.34

#403EAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#403EAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403EAE

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403EAE	#FFFFFF	#000000	##FFFFFF
##403EAE	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B2

Deuteranopia (green-blind)

#0049AC

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #403eae;
/* rgb */ color: rgb(64, 62, 174);
/* oklch */ color: oklch(43.8% 0.173 277.3);

Tailwind

colors: {
  custom: {
    50: '#8174c7',
    500: '#403eae',
    950: '#000000',
  },
}

SCSS

$custom: #403eae;
$custom-light: #8174c7;
$custom-dark: #000000;

JSON

{
  "hex": "#403eae",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 174
  },
  "hsl": {
    "h": 241.071,
    "s": 47.458,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43801,
    "c": 0.17317,
    "h": 277.3
  },
  "luminance": 0.07591
}

Semantic roles & 50–950 ramp

primary

#403EAE

secondary

#C1C286

accent

#D751D5

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #403EAE

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

Preview Lab → · Contrast checker → · Palette generator →