#40397A#40397A

#40397A is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.7% C 0.107 H 285.2°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#40397A
RGB	rgb(64, 57, 122)
HSL	hsl(246, 36%, 35%)
HSV	hsv(246, 53%, 48%)
CMYK	cmyk(47.5%, 53.3%, 0%, 52.2%)
CIE-LAB	lab(27.90, 21.24, -36.23)
CIE-LCH	lch(27.90, 41.99, 300.38°)
OKLab	oklab(38.7% 0.0279 -0.103)
OKLCH	oklch(38.7% 0.107 285.2)
XYZ	xyz(7.0893, 5.4211, 19.0814)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40397A #737A39

analogous

#39527A #40397A #61397A

triadic

#40397A #7A4039 #397A40

tetradic

#40397A #7A3952 #737A39 #397A61

square

#40397A #7A3952 #737A39 #397A61

split-complementary

#40397A #7A6139 #527A39

monochromatic

#141227 #2A2650 #40397A #564CA4 #7971BD

Accessibility & contrast

On white

10.08

#40397A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#40397A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40397A

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40397A	#FFFFFF	#000000	##FFFFFF
##40397A	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B447C

Deuteranopia (green-blind)

#194079

Tritanopia (blue-blind)

#2D4754

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #40397a;
/* rgb */ color: rgb(64, 57, 122);
/* oklch */ color: oklch(38.7% 0.107 285.2);

Tailwind

colors: {
  custom: {
    50: '#796fa1',
    500: '#40397a',
    950: '#000000',
  },
}

SCSS

$custom: #40397a;
$custom-light: #796fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#40397a",
  "rgb": {
    "r": 64,
    "g": 57,
    "b": 122
  },
  "hsl": {
    "h": 246.462,
    "s": 36.313,
    "l": 35.098
  },
  "oklch": {
    "l": 0.38702,
    "c": 0.10674,
    "h": 285.2
  },
  "luminance": 0.05421
}

Semantic roles & 50–950 ramp

primary

#40397A

secondary

#9FA669

accent

#CC5BC0

background

#F7F6F9

surface

#EEECF2

border

#C9C7CC

text

#09070F

muted

#7B7A7E

Preview Lab

Preview with #40397A

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

Preview Lab → · Contrast checker → · Palette generator →