#405DA8#405DA8

#405DA8 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 49.4% C 0.125 H 266.1°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#405DA8
RGB	rgb(64, 93, 168)
HSL	hsl(223, 45%, 45%)
HSV	hsv(223, 62%, 66%)
CMYK	cmyk(61.9%, 44.6%, 0%, 34.1%)
CIE-LAB	lab(40.81, 13.38, -43.62)
CIE-LCH	lch(40.81, 45.63, 287.05°)
OKLab	oklab(49.44% -0.0085 -0.1244)
OKLCH	oklch(49.44% 0.125 266.1)
XYZ	xyz(13.0942, 11.7447, 38.6151)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DA8 #A88B40

analogous

#4091A8 #405DA8 #5740A8

triadic

#405DA8 #A8405D #5DA840

tetradic

#405DA8 #A84091 #A88B40 #40A857

square

#405DA8 #A84091 #A88B40 #40A857

split-complementary

#405DA8 #A85740 #91A840

monochromatic

#1E2C4F #2F447C #405DA8 #627DC3 #8EA2D4

Accessibility & contrast

On white

6.27

#405DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#405DA8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DA8

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DA8	#FFFFFF	#000000	##FFFFFF
##405DA8	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A65AB

Deuteranopia (green-blind)

#2B5CA6

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #405da8;
/* rgb */ color: rgb(64, 93, 168);
/* oklch */ color: oklch(49.4% 0.125 266.1);

Tailwind

colors: {
  custom: {
    50: '#7e8ac2',
    500: '#405da8',
    950: '#000000',
  },
}

SCSS

$custom: #405da8;
$custom-light: #7e8ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#405da8",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 168
  },
  "hsl": {
    "h": 223.269,
    "s": 44.828,
    "l": 45.49
  },
  "oklch": {
    "l": 0.49437,
    "c": 0.1247,
    "h": 266.1
  },
  "luminance": 0.11746
}

Semantic roles & 50–950 ramp

primary

#405DA8

secondary

#BFAF85

accent

#B053D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #405DA8

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

Preview Lab → · Contrast checker → · Palette generator →