#40367B#40367B

#40367B is a dark, moderate blue. Relative luminance 0.052; OKLCH L 38.2% C 0.113 H 286.4°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#40367B
RGB	rgb(64, 54, 123)
HSL	hsl(249, 39%, 35%)
HSV	hsv(249, 56%, 48%)
CMYK	cmyk(48%, 56.1%, 0%, 51.8%)
CIE-LAB	lab(27.18, 23.54, -38.02)
CIE-LCH	lch(27.18, 44.71, 301.76°)
OKLab	oklab(38.19% 0.0319 -0.1083)
OKLCH	oklch(38.19% 0.113 286.4)
XYZ	xyz(7.0076, 5.1581, 19.3614)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40367B #717B36

analogous

#364E7B #40367B #63367B

triadic

#40367B #7B4036 #367B40

tetradic

#40367B #7B364E #717B36 #367B63

square

#40367B #7B364E #717B36 #367B63

split-complementary

#40367B #7B6336 #4E7B36

monochromatic

#141126 #2A2350 #40367B #5649A6 #796DBF

Accessibility & contrast

On white

10.34

#40367B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#40367B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40367B

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40367B	#FFFFFF	#000000	##FFFFFF
##40367B	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12427D

Deuteranopia (green-blind)

#113E79

Tritanopia (blue-blind)

#2D4553

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #40367b;
/* rgb */ color: rgb(64, 54, 123);
/* oklch */ color: oklch(38.2% 0.113 286.4);

Tailwind

colors: {
  custom: {
    50: '#796da2',
    500: '#40367b',
    950: '#000000',
  },
}

SCSS

$custom: #40367b;
$custom-light: #796da2;
$custom-dark: #000000;

JSON

{
  "hex": "#40367b",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 123
  },
  "hsl": {
    "h": 248.696,
    "s": 38.983,
    "l": 34.706
  },
  "oklch": {
    "l": 0.38185,
    "c": 0.1129,
    "h": 286.4
  },
  "luminance": 0.05158
}

Semantic roles & 50–950 ramp

primary

#40367B

secondary

#9EA765

accent

#CF59BE

background

#F7F6FA

surface

#EEEBF3

border

#C9C6CD

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #40367B

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

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