#403F65#403F65

#403F65 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.6% C 0.064 H 284.2°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#403F65
RGB	rgb(64, 63, 101)
HSL	hsl(242, 23%, 32%)
HSV	hsv(242, 38%, 40%)
CMYK	cmyk(36.6%, 37.6%, 0%, 60.4%)
CIE-LAB	lab(28.34, 10.59, -22.18)
CIE-LCH	lch(28.34, 24.58, 295.52°)
OKLab	oklab(38.63% 0.0157 -0.062)
OKLCH	oklch(38.63% 0.064 284.2)
XYZ	xyz(6.2402, 5.5844, 13.0585)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F65 #64653F

analogous

#3F5165 #403F65 #533F65

triadic

#403F65 #65403F #3F6540

tetradic

#403F65 #653F51 #64653F #3F6553

square

#403F65 #653F51 #64653F #3F6553

split-complementary

#403F65 #65533F #51653F

monochromatic

#10101A #28273F #403F65 #58578B #7775A9

Accessibility & contrast

On white

9.92

#403F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#403F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F65

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F65	#FFFFFF	#000000	##FFFFFF
##403F65	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334467

Deuteranopia (green-blind)

#324264

Tritanopia (blue-blind)

#36464D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #403f65;
/* rgb */ color: rgb(64, 63, 101);
/* oklch */ color: oklch(38.6% 0.064 284.2);

Tailwind

colors: {
  custom: {
    50: '#767491',
    500: '#403f65',
    950: '#000000',
  },
}

SCSS

$custom: #403f65;
$custom-light: #767491;
$custom-dark: #000000;

JSON

{
  "hex": "#403f65",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 101
  },
  "hsl": {
    "h": 241.579,
    "s": 23.171,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38628,
    "c": 0.06395,
    "h": 284.2
  },
  "luminance": 0.05585
}

Semantic roles & 50–950 ramp

primary

#403F65

secondary

#93956B

accent

#C068BD

background

#F7F7F8

surface

#EDEDF0

border

#C8C8CB

text

#08080C

muted

#7B7B7D

Preview Lab

Preview with #403F65

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

Preview Lab → · Contrast checker → · Palette generator →