#405CA3#405CA3

#405CA3 is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.9% C 0.119 H 266.0°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#405CA3
RGB	rgb(64, 92, 163)
HSL	hsl(223, 44%, 45%)
HSV	hsv(223, 61%, 64%)
CMYK	cmyk(60.7%, 43.6%, 0%, 36.1%)
CIE-LAB	lab(40.23, 12.26, -41.59)
CIE-LCH	lch(40.23, 43.35, 286.42°)
OKLab	oklab(48.89% -0.0084 -0.1184)
OKLCH	oklch(48.89% 0.119 266)
XYZ	xyz(12.5501, 11.3876, 36.1799)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CA3 #A38740

analogous

#408EA3 #405CA3 #5640A3

triadic

#405CA3 #A3405C #5CA340

tetradic

#405CA3 #A3408E #A38740 #40A356

square

#405CA3 #A3408E #A38740 #40A356

split-complementary

#405CA3 #A35640 #8EA340

monochromatic

#1D2A4B #2F4377 #405CA3 #607BC0 #8C9FD2

Accessibility & contrast

On white

6.41

#405CA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#405CA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CA3

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CA3	#FFFFFF	#000000	##FFFFFF
##405CA3	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C64A6

Deuteranopia (green-blind)

#2E5BA1

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #405ca3;
/* rgb */ color: rgb(64, 92, 163);
/* oklch */ color: oklch(48.9% 0.119 266.0);

Tailwind

colors: {
  custom: {
    50: '#7e89bf',
    500: '#405ca3',
    950: '#000000',
  },
}

SCSS

$custom: #405ca3;
$custom-light: #7e89bf;
$custom-dark: #000000;

JSON

{
  "hex": "#405ca3",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 163
  },
  "hsl": {
    "h": 223.03,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48894,
    "c": 0.11874,
    "h": 266
  },
  "luminance": 0.11389
}

Semantic roles & 50–950 ramp

primary

#405CA3

secondary

#BDAC82

accent

#AF54D3

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #405CA3

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

Preview Lab → · Contrast checker → · Palette generator →