#40407E#40407E

#40407E is a dark, moderate blue. Relative luminance 0.063; OKLCH L 40.4% C 0.102 H 280.8°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#40407E
RGB	rgb(64, 64, 126)
HSL	hsl(240, 33%, 37%)
HSV	hsv(240, 49%, 49%)
CMYK	cmyk(49.2%, 49.2%, 0%, 50.6%)
CIE-LAB	lab(30.07, 17.91, -35.27)
CIE-LCH	lch(30.07, 39.56, 296.91°)
OKLab	oklab(40.41% 0.0192 -0.1002)
OKLCH	oklch(40.41% 0.102 280.8)
XYZ	xyz(7.7125, 6.2627, 20.5371)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40407E #7E7E40

analogous

#405F7E #40407E #5F407E

triadic

#40407E #7E4040 #407E40

tetradic

#40407E #7E405F #7E7E40 #407E5F

square

#40407E #7E405F #7E7E40 #407E5F

split-complementary

#40407E #7E5F40 #5F7E40

monochromatic

#17172D #2B2B55 #40407E #5555A7 #7C7CBC

Accessibility & contrast

On white

9.32

#40407E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#40407E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40407E

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40407E	#FFFFFF	#000000	##FFFFFF
##40407E	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264980

Deuteranopia (green-blind)

#21457D

Tritanopia (blue-blind)

#2A4D59

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #40407e;
/* rgb */ color: rgb(64, 64, 126);
/* oklch */ color: oklch(40.4% 0.102 280.8);

Tailwind

colors: {
  custom: {
    50: '#7974a4',
    500: '#40407e',
    950: '#000000',
  },
}

SCSS

$custom: #40407e;
$custom-light: #7974a4;
$custom-dark: #000000;

JSON

{
  "hex": "#40407e",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 126
  },
  "hsl": {
    "h": 240,
    "s": 32.632,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40413,
    "c": 0.10201,
    "h": 280.8
  },
  "luminance": 0.06263
}

Semantic roles & 50–950 ramp

primary

#40407E

secondary

#A7A773

accent

#C95FC9

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #40407E

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

Preview Lab → · Contrast checker → · Palette generator →