#40418F#40418F

#40418F is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.8% C 0.126 H 278.9°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#40418F
RGB	rgb(64, 65, 143)
HSL	hsl(239, 38%, 41%)
HSV	hsv(239, 55%, 56%)
CMYK	cmyk(55.2%, 54.5%, 0%, 43.9%)
CIE-LAB	lab(31.47, 22.95, -43.54)
CIE-LCH	lch(31.47, 49.22, 297.80°)
OKLab	oklab(41.83% 0.0195 -0.1245)
OKLCH	oklch(41.83% 0.126 278.9)
XYZ	xyz(8.9610, 6.8532, 26.8319)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40418F #8F8E40

analogous

#40688F #40418F #67408F

triadic

#40418F #8F4041 #418F40

tetradic

#40418F #8F4068 #8F8E40 #408F67

square

#40418F #8F4068 #8F8E40 #408F67

split-complementary

#40418F #8F6740 #688F40

monochromatic

#1A1B3A #2D2E65 #40418F #5859B4 #8283C7

Accessibility & contrast

On white

8.86

#40418F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#40418F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40418F

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40418F	#FFFFFF	#000000	##FFFFFF
##40418F	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144D92

Deuteranopia (green-blind)

#06478D

Tritanopia (blue-blind)

#1B5361

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #40418f;
/* rgb */ color: rgb(64, 65, 143);
/* oklch */ color: oklch(41.8% 0.126 278.9);

Tailwind

colors: {
  custom: {
    50: '#7c75b0',
    500: '#40418f',
    950: '#000000',
  },
}

SCSS

$custom: #40418f;
$custom-light: #7c75b0;
$custom-dark: #000000;

JSON

{
  "hex": "#40418f",
  "rgb": {
    "r": 64,
    "g": 65,
    "b": 143
  },
  "hsl": {
    "h": 239.241,
    "s": 38.164,
    "l": 40.588
  },
  "oklch": {
    "l": 0.41833,
    "c": 0.12601,
    "h": 278.9
  },
  "luminance": 0.06854
}

Semantic roles & 50–950 ramp

primary

#40418F

secondary

#B2B179

accent

#CD5ACE

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #40418F

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

Preview Lab → · Contrast checker → · Palette generator →