#40367D#40367D

#40367D is a dark, moderate blue. Relative luminance 0.052; OKLCH L 38.3% C 0.116 H 286.0°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#40367D
RGB	rgb(64, 54, 125)
HSL	hsl(248, 40%, 35%)
HSV	hsv(248, 57%, 49%)
CMYK	cmyk(48.8%, 56.8%, 0%, 51%)
CIE-LAB	lab(27.32, 24.18, -39.05)
CIE-LCH	lch(27.32, 45.93, 301.77°)
OKLab	oklab(38.34% 0.0319 -0.1113)
OKLCH	oklch(38.34% 0.116 286)
XYZ	xyz(7.1341, 5.2087, 20.0275)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40367D #737D36

analogous

#364F7D #40367D #64367D

triadic

#40367D #7D4036 #367D40

tetradic

#40367D #7D364F #737D36 #367D64

square

#40367D #7D364F #737D36 #367D64

split-complementary

#40367D #7D6436 #4F7D36

monochromatic

#141128 #2A2452 #40367D #5648A8 #796DC0

Accessibility & contrast

On white

10.29

#40367D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#40367D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40367D

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40367D	#FFFFFF	#000000	##FFFFFF
##40367D	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F427F

Deuteranopia (green-blind)

#0C3E7B

Tritanopia (blue-blind)

#2C4654

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #40367d;
/* rgb */ color: rgb(64, 54, 125);
/* oklch */ color: oklch(38.3% 0.116 286.0);

Tailwind

colors: {
  custom: {
    50: '#7a6da3',
    500: '#40367d',
    950: '#000000',
  },
}

SCSS

$custom: #40367d;
$custom-light: #7a6da3;
$custom-dark: #000000;

JSON

{
  "hex": "#40367d",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 125
  },
  "hsl": {
    "h": 248.451,
    "s": 39.665,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38335,
    "c": 0.11583,
    "h": 286
  },
  "luminance": 0.05209
}

Semantic roles & 50–950 ramp

primary

#40367D

secondary

#9FA966

accent

#D058BF

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #40367D

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

Preview Lab → · Contrast checker → · Palette generator →