#405181#405181

#405181 is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.3% C 0.082 H 268.2°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#405181
RGB	rgb(64, 81, 129)
HSL	hsl(224, 34%, 38%)
HSV	hsv(224, 50%, 51%)
CMYK	cmyk(50.4%, 37.2%, 0%, 49.4%)
CIE-LAB	lab(35.12, 7.70, -29.11)
CIE-LCH	lch(35.12, 30.11, 284.81°)
OKLab	oklab(44.34% -0.0026 -0.0821)
OKLCH	oklch(44.34% 0.082 268.2)
XYZ	xyz(9.0180, 8.5593, 21.9415)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405181 #817040

analogous

#407181 #405181 #4F4081

triadic

#405181 #814051 #518140

tetradic

#405181 #814071 #817040 #40814F

square

#405181 #814071 #817040 #40814F

split-complementary

#405181 #814F40 #718140

monochromatic

#171E2F #2C3758 #405181 #546BAA #7D8EBE

Accessibility & contrast

On white

7.74

#405181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#405181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #405181

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405181	#FFFFFF	#000000	##FFFFFF
##405181	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F5683

Deuteranopia (green-blind)

#385080

Tritanopia (blue-blind)

#255B63

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #405181;
/* rgb */ color: rgb(64, 81, 129);
/* oklch */ color: oklch(44.3% 0.082 268.2);

Tailwind

colors: {
  custom: {
    50: '#7981a6',
    500: '#405181',
    950: '#000000',
  },
}

SCSS

$custom: #405181;
$custom-light: #7981a6;
$custom-dark: #000000;

JSON

{
  "hex": "#405181",
  "rgb": {
    "r": 64,
    "g": 81,
    "b": 129
  },
  "hsl": {
    "h": 224.308,
    "s": 33.679,
    "l": 37.843
  },
  "oklch": {
    "l": 0.44337,
    "c": 0.08211,
    "h": 268.2
  },
  "luminance": 0.0856
}

Semantic roles & 50–950 ramp

primary

#405181

secondary

#A99B74

accent

#AE5ECA

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #405181

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

Preview Lab → · Contrast checker → · Palette generator →