#40407D#40407D

#40407D is a dark, moderate blue. Relative luminance 0.062; OKLCH L 40.3% C 0.100 H 280.9°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#40407D
RGB	rgb(64, 64, 125)
HSL	hsl(240, 32%, 37%)
HSV	hsv(240, 49%, 49%)
CMYK	cmyk(48.8%, 48.8%, 0%, 51%)
CIE-LAB	lab(30.00, 17.57, -34.75)
CIE-LCH	lch(30.00, 38.94, 296.83°)
OKLab	oklab(40.35% 0.019 -0.0986)
OKLCH	oklch(40.35% 0.1 280.9)
XYZ	xyz(7.6483, 6.2371, 20.1989)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40407D #7D7D40

analogous

#405F7D #40407D #5F407D

triadic

#40407D #7D4040 #407D40

tetradic

#40407D #7D405F #7D7D40 #407D5F

square

#40407D #7D405F #7D7D40 #407D5F

split-complementary

#40407D #7D5F40 #5F7D40

monochromatic

#17172C #2B2B55 #40407D #5555A5 #7C7CBC

Accessibility & contrast

On white

9.34

#40407D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#40407D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40407D

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40407D	#FFFFFF	#000000	##FFFFFF
##40407D	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26497F

Deuteranopia (green-blind)

#22447C

Tritanopia (blue-blind)

#2B4D58

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #40407d;
/* rgb */ color: rgb(64, 64, 125);
/* oklch */ color: oklch(40.3% 0.100 280.9);

Tailwind

colors: {
  custom: {
    50: '#7974a3',
    500: '#40407d',
    950: '#000000',
  },
}

SCSS

$custom: #40407d;
$custom-light: #7974a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40407d",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 125
  },
  "hsl": {
    "h": 240,
    "s": 32.275,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40345,
    "c": 0.10047,
    "h": 280.9
  },
  "luminance": 0.06237
}

Semantic roles & 50–950 ramp

primary

#40407D

secondary

#A6A673

accent

#C85FC8

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#09080F

muted

#7B7B7F

Preview Lab

Preview with #40407D

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

Preview Lab → · Contrast checker → · Palette generator →