#402FA0#402FA0

#402FA0 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.173 H 282.1°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#402FA0
RGB	rgb(64, 47, 160)
HSL	hsl(249, 55%, 41%)
HSV	hsv(249, 71%, 63%)
CMYK	cmyk(60%, 70.6%, 0%, 37.3%)
CIE-LAB	lab(28.54, 39.85, -58.69)
CIE-LCH	lch(28.54, 70.94, 304.18°)
OKLab	oklab(40.11% 0.0363 -0.169)
OKLCH	oklch(40.11% 0.173 282.1)
XYZ	xyz(9.4741, 5.6604, 33.8442)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.71

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#402FA0 #8FA02F

analogous

#2F56A0 #402FA0 #792FA0

triadic

#402FA0 #A0402F #2FA040

tetradic

#402FA0 #A02F56 #8FA02F #2FA079

square

#402FA0 #A02F56 #8FA02F #2FA079

split-complementary

#402FA0 #A0792F #56A02F

monochromatic

#1A1341 #2D2171 #402FA0 #5844C8 #8273D6

Accessibility & contrast

On white

9.85

#402FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#402FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #402FA0

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##402FA0	#FFFFFF	#000000	##FFFFFF
##402FA0	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A3

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#004D64

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #402fa0;
/* rgb */ color: rgb(64, 47, 160);
/* oklch */ color: oklch(40.1% 0.173 282.1);

Tailwind

colors: {
  custom: {
    50: '#8069bd',
    500: '#402fa0',
    950: '#000000',
  },
}

SCSS

$custom: #402fa0;
$custom-light: #8069bd;
$custom-dark: #000000;

JSON

{
  "hex": "#402fa0",
  "rgb": {
    "r": 64,
    "g": 47,
    "b": 160
  },
  "hsl": {
    "h": 249.027,
    "s": 54.589,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40114,
    "c": 0.17291,
    "h": 282.1
  },
  "luminance": 0.05661
}

Semantic roles & 50–950 ramp

primary

#402FA0

secondary

#B2BE6D

accent

#DE4AC8

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #402FA0

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

Preview Lab → · Contrast checker → · Palette generator →