#402FA3#402FA3

#402FA3 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.4% C 0.177 H 281.7°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#402FA3
RGB	rgb(64, 47, 163)
HSL	hsl(249, 55%, 41%)
HSV	hsv(249, 71%, 64%)
CMYK	cmyk(60.7%, 71.2%, 0%, 36.1%)
CIE-LAB	lab(28.82, 40.80, -60.05)
CIE-LCH	lch(28.82, 72.60, 304.20°)
OKLab	oklab(40.4% 0.0358 -0.173)
OKLCH	oklch(40.4% 0.177 281.7)
XYZ	xyz(9.7397, 5.7667, 35.2431)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402FA3 #92A32F

analogous

#2F58A3 #402FA3 #7A2FA3

triadic

#402FA3 #A3402F #2FA340

tetradic

#402FA3 #A32F58 #92A32F #2FA37A

square

#402FA3 #A32F58 #92A32F #2FA37A

split-complementary

#402FA3 #A37A2F #58A32F

monochromatic

#1B1444 #2D2173 #402FA3 #5946CA #8475D7

Accessibility & contrast

On white

9.75

#402FA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#402FA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FA3

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FA3	#FFFFFF	#000000	##FFFFFF
##402FA3	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A6

Deuteranopia (green-blind)

#0040A1

Tritanopia (blue-blind)

#004E65

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #402fa3;
/* rgb */ color: rgb(64, 47, 163);
/* oklch */ color: oklch(40.4% 0.177 281.7);

Tailwind

colors: {
  custom: {
    50: '#8169bf',
    500: '#402fa3',
    950: '#000000',
  },
}

SCSS

$custom: #402fa3;
$custom-light: #8169bf;
$custom-dark: #000000;

JSON

{
  "hex": "#402fa3",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 163
  },
  "hsl": {
    "h": 248.793,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40397,
    "c": 0.17671,
    "h": 281.7
  },
  "luminance": 0.05767
}

Semantic roles & 50–950 ramp

primary

#402FA3

secondary

#B3BF6F

accent

#DF49C9

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #402FA3

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

Preview Lab → · Contrast checker → · Palette generator →