#40367F#40367F

#40367F is a dark, moderate blue. Relative luminance 0.053; OKLCH L 38.5% C 0.119 H 285.6°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#40367F
RGB	rgb(64, 54, 127)
HSL	hsl(248, 40%, 35%)
HSV	hsv(248, 57%, 50%)
CMYK	cmyk(49.6%, 57.5%, 0%, 50.2%)
CIE-LAB	lab(27.46, 24.83, -40.08)
CIE-LCH	lch(27.46, 47.15, 301.78°)
OKLab	oklab(38.49% 0.032 -0.1144)
OKLCH	oklch(38.49% 0.119 285.6)
XYZ	xyz(7.2632, 5.2603, 20.7072)
Luminance	0.0526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40367F #757F36

analogous

#36507F #40367F #64367F

triadic

#40367F #7F4036 #367F40

tetradic

#40367F #7F3650 #757F36 #367F64

square

#40367F #7F3650 #757F36 #367F64

split-complementary

#40367F #7F6436 #507F36

monochromatic

#151129 #2A2454 #40367F #5648AA #796EC1

Accessibility & contrast

On white

10.23

#40367F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#40367F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40367F

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40367F	#FFFFFF	#000000	##FFFFFF
##40367F	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4381

Deuteranopia (green-blind)

#073F7D

Tritanopia (blue-blind)

#2A4655

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #40367f;
/* rgb */ color: rgb(64, 54, 127);
/* oklch */ color: oklch(38.5% 0.119 285.6);

Tailwind

colors: {
  custom: {
    50: '#7a6da5',
    500: '#40367f',
    950: '#000000',
  },
}

SCSS

$custom: #40367f;
$custom-light: #7a6da5;
$custom-dark: #000000;

JSON

{
  "hex": "#40367f",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 127
  },
  "hsl": {
    "h": 248.219,
    "s": 40.331,
    "l": 35.49
  },
  "oklch": {
    "l": 0.38486,
    "c": 0.11875,
    "h": 285.6
  },
  "luminance": 0.05261
}

Semantic roles & 50–950 ramp

primary

#40367F

secondary

#A1AA67

accent

#D058C0

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A070F

muted

#7C7A7F

Preview Lab

Preview with #40367F

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

Preview Lab → · Contrast checker → · Palette generator →