#405D9A#405D9A

#405D9A is a mid, moderate blue. Relative luminance 0.113; OKLCH L 48.6% C 0.104 H 263.7°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#405D9A
RGB	rgb(64, 93, 154)
HSL	hsl(221, 41%, 43%)
HSV	hsv(221, 58%, 60%)
CMYK	cmyk(58.4%, 39.6%, 0%, 39.6%)
CIE-LAB	lab(40.00, 8.47, -36.58)
CIE-LCH	lch(40.00, 37.54, 283.04°)
OKLab	oklab(48.55% -0.0114 -0.1037)
OKLCH	oklch(48.55% 0.104 263.7)
XYZ	xyz(11.8594, 11.2508, 32.1123)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405D9A #9A7D40

analogous

#408A9A #405D9A #50409A

triadic

#405D9A #9A405D #5D9A40

tetradic

#405D9A #9A408A #9A7D40 #409A50

square

#405D9A #9A408A #9A7D40 #409A50

split-complementary

#405D9A #9A5040 #8A9A40

monochromatic

#1C2944 #2E436F #405D9A #5C7BBB #879ECD

Accessibility & contrast

On white

6.46

#405D9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#405D9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405D9A

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405D9A	#FFFFFF	#000000	##FFFFFF
##405D9A	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43639C

Deuteranopia (green-blind)

#385A99

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #405d9a;
/* rgb */ color: rgb(64, 93, 154);
/* oklch */ color: oklch(48.6% 0.104 263.7);

Tailwind

colors: {
  custom: {
    50: '#7c8ab8',
    500: '#405d9a',
    950: '#000000',
  },
}

SCSS

$custom: #405d9a;
$custom-light: #7c8ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#405d9a",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 154
  },
  "hsl": {
    "h": 220.667,
    "s": 41.284,
    "l": 42.745
  },
  "oklch": {
    "l": 0.48553,
    "c": 0.10436,
    "h": 263.7
  },
  "luminance": 0.11252
}

Semantic roles & 50–950 ramp

primary

#405D9A

secondary

#B8A57E

accent

#AA57D1

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #405D9A

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

Preview Lab → · Contrast checker → · Palette generator →