#403EAF#403EAF

#403EAF is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.174 H 277.2°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#403EAF
RGB	rgb(64, 62, 175)
HSL	hsl(241, 48%, 46%)
HSV	hsv(241, 65%, 69%)
CMYK	cmyk(63.4%, 64.6%, 0%, 31.4%)
CIE-LAB	lab(33.20, 35.75, -60.08)
CIE-LCH	lch(33.20, 69.91, 300.76°)
OKLab	oklab(43.89% 0.0219 -0.1731)
OKLCH	oklch(43.89% 0.175 277.2)
XYZ	xyz(11.5723, 7.6295, 41.4119)
Luminance	0.0763 (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

#403EAF #ADAF3E

analogous

#3E75AF #403EAF #793EAF

triadic

#403EAF #AF403E #3EAF40

tetradic

#403EAF #AF3E75 #ADAF3E #3EAF79

square

#403EAF #AF3E75 #ADAF3E #3EAF79

split-complementary

#403EAF #AF793E #75AF3E

monochromatic

#1F1E55 #2F2E82 #403EAF #6463C8 #9190D8

Accessibility & contrast

On white

8.31

#403EAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#403EAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403EAF

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403EAF	#FFFFFF	#000000	##FFFFFF
##403EAF	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B3

Deuteranopia (green-blind)

#0049AD

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #403eaf;
/* rgb */ color: rgb(64, 62, 175);
/* oklch */ color: oklch(43.9% 0.174 277.2);

Tailwind

colors: {
  custom: {
    50: '#8274c8',
    500: '#403eaf',
    950: '#000000',
  },
}

SCSS

$custom: #403eaf;
$custom-light: #8274c8;
$custom-dark: #000000;

JSON

{
  "hex": "#403eaf",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 175
  },
  "hsl": {
    "h": 241.062,
    "s": 47.679,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43889,
    "c": 0.1745,
    "h": 277.2
  },
  "luminance": 0.0763
}

Semantic roles & 50–950 ramp

primary

#403EAF

secondary

#C2C386

accent

#D751D5

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #403EAF

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

Preview Lab → · Contrast checker → · Palette generator →