#405DA9#405DA9

#405DA9 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.5% C 0.126 H 266.2°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#405DA9
RGB	rgb(64, 93, 169)
HSL	hsl(223, 45%, 46%)
HSV	hsv(223, 62%, 66%)
CMYK	cmyk(62.1%, 45%, 0%, 33.7%)
CIE-LAB	lab(40.87, 13.73, -44.12)
CIE-LCH	lch(40.87, 46.21, 287.29°)
OKLab	oklab(49.5% -0.0084 -0.1259)
OKLCH	oklch(49.5% 0.126 266.2)
XYZ	xyz(13.1877, 11.7821, 39.1076)
Luminance	0.1178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DA9 #A98C40

analogous

#4091A9 #405DA9 #5840A9

triadic

#405DA9 #A9405D #5DA940

tetradic

#405DA9 #A94091 #A98C40 #40A958

square

#405DA9 #A94091 #A98C40 #40A958

split-complementary

#405DA9 #A95840 #91A940

monochromatic

#1E2C50 #2F457D #405DA9 #627DC4 #8FA2D5

Accessibility & contrast

On white

6.26

#405DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#405DA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DA9

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DA9	#FFFFFF	#000000	##FFFFFF
##405DA9	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A65AC

Deuteranopia (green-blind)

#295CA7

Tritanopia (blue-blind)

#006E7B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #405da9;
/* rgb */ color: rgb(64, 93, 169);
/* oklch */ color: oklch(49.5% 0.126 266.2);

Tailwind

colors: {
  custom: {
    50: '#7f8ac3',
    500: '#405da9',
    950: '#000000',
  },
}

SCSS

$custom: #405da9;
$custom-light: #7f8ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#405da9",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 169
  },
  "hsl": {
    "h": 223.429,
    "s": 45.064,
    "l": 45.686
  },
  "oklch": {
    "l": 0.49503,
    "c": 0.12614,
    "h": 266.2
  },
  "luminance": 0.11783
}

Semantic roles & 50–950 ramp

primary

#405DA9

secondary

#C0AF85

accent

#B153D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #405DA9

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

Preview Lab → · Contrast checker → · Palette generator →