#402FA1#402FA1

#402FA1 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.2% C 0.174 H 282.0°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#402FA1
RGB	rgb(64, 47, 161)
HSL	hsl(249, 55%, 41%)
HSV	hsv(249, 71%, 63%)
CMYK	cmyk(60.2%, 70.8%, 0%, 36.9%)
CIE-LAB	lab(28.63, 40.17, -59.14)
CIE-LCH	lch(28.63, 71.49, 304.18°)
OKLab	oklab(40.21% 0.0362 -0.1704)
OKLCH	oklch(40.21% 0.174 282)
XYZ	xyz(9.5619, 5.6956, 34.3068)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402FA1 #90A12F

analogous

#2F57A1 #402FA1 #792FA1

triadic

#402FA1 #A1402F #2FA140

tetradic

#402FA1 #A12F57 #90A12F #2FA179

square

#402FA1 #A12F57 #90A12F #2FA179

split-complementary

#402FA1 #A1792F #57A12F

monochromatic

#1A1342 #2D2172 #402FA1 #5845C9 #8374D6

Accessibility & contrast

On white

9.82

#402FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#402FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FA1

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FA1	#FFFFFF	#000000	##FFFFFF
##402FA1	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A4

Deuteranopia (green-blind)

#003F9F

Tritanopia (blue-blind)

#004D64

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #402fa1;
/* rgb */ color: rgb(64, 47, 161);
/* oklch */ color: oklch(40.2% 0.174 282.0);

Tailwind

colors: {
  custom: {
    50: '#8069be',
    500: '#402fa1',
    950: '#000000',
  },
}

SCSS

$custom: #402fa1;
$custom-light: #8069be;
$custom-dark: #000000;

JSON

{
  "hex": "#402fa1",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 161
  },
  "hsl": {
    "h": 248.947,
    "s": 54.808,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40208,
    "c": 0.17418,
    "h": 282
  },
  "luminance": 0.05696
}

Semantic roles & 50–950 ramp

primary

#402FA1

secondary

#B2BE6E

accent

#DE4AC8

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #402FA1

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

Preview Lab → · Contrast checker → · Palette generator →