#40367E#40367E

#40367E is a dark, moderate blue. Relative luminance 0.052; OKLCH L 38.4% C 0.117 H 285.8°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#40367E
RGB	rgb(64, 54, 126)
HSL	hsl(248, 40%, 35%)
HSV	hsv(248, 57%, 49%)
CMYK	cmyk(49.2%, 57.1%, 0%, 50.6%)
CIE-LAB	lab(27.39, 24.51, -39.56)
CIE-LCH	lch(27.39, 46.54, 301.78°)
OKLab	oklab(38.41% 0.032 -0.1128)
OKLCH	oklch(38.41% 0.117 285.8)
XYZ	xyz(7.1983, 5.2344, 20.3657)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40367E #747E36

analogous

#36507E #40367E #64367E

triadic

#40367E #7E4036 #367E40

tetradic

#40367E #7E3650 #747E36 #367E64

square

#40367E #7E3650 #747E36 #367E64

split-complementary

#40367E #7E6436 #507E36

monochromatic

#141128 #2A2453 #40367E #5648A9 #796EC1

Accessibility & contrast

On white

10.26

#40367E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#40367E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40367E

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40367E	#FFFFFF	#000000	##FFFFFF
##40367E	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4380

Deuteranopia (green-blind)

#0A3F7C

Tritanopia (blue-blind)

#2B4654

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #40367e;
/* rgb */ color: rgb(64, 54, 126);
/* oklch */ color: oklch(38.4% 0.117 285.8);

Tailwind

colors: {
  custom: {
    50: '#7a6da4',
    500: '#40367e',
    950: '#000000',
  },
}

SCSS

$custom: #40367e;
$custom-light: #7a6da4;
$custom-dark: #000000;

JSON

{
  "hex": "#40367e",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 126
  },
  "hsl": {
    "h": 248.333,
    "s": 40,
    "l": 35.294
  },
  "oklch": {
    "l": 0.3841,
    "c": 0.11729,
    "h": 285.8
  },
  "luminance": 0.05235
}

Semantic roles & 50–950 ramp

primary

#40367E

secondary

#A0A967

accent

#D058BF

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #40367E

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

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