#405EA3#405EA3

#405EA3 is a mid, moderate blue. Relative luminance 0.117; OKLCH L 49.3% C 0.116 H 264.8°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#405EA3
RGB	rgb(64, 94, 163)
HSL	hsl(222, 44%, 45%)
HSV	hsv(222, 61%, 64%)
CMYK	cmyk(60.7%, 42.3%, 0%, 36.1%)
CIE-LAB	lab(40.80, 10.97, -40.67)
CIE-LCH	lch(40.80, 42.13, 285.10°)
OKLab	oklab(49.33% -0.0106 -0.1157)
OKLCH	oklch(49.33% 0.116 264.8)
XYZ	xyz(12.7256, 11.7387, 36.2384)
Luminance	0.1174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EA3 #A38540

analogous

#4090A3 #405EA3 #5440A3

triadic

#405EA3 #A3405E #5EA340

tetradic

#405EA3 #A34090 #A38540 #40A354

square

#405EA3 #A34090 #A38540 #40A354

split-complementary

#405EA3 #A35440 #90A340

monochromatic

#1D2B4B #2F4577 #405EA3 #607DC0 #8CA1D2

Accessibility & contrast

On white

6.27

#405EA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#405EA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EA3

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EA3	#FFFFFF	#000000	##FFFFFF
##405EA3	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)

#4065A6

Deuteranopia (green-blind)

#325CA2

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #405ea3;
/* rgb */ color: rgb(64, 94, 163);
/* oklch */ color: oklch(49.3% 0.116 264.8);

Tailwind

colors: {
  custom: {
    50: '#7e8bbf',
    500: '#405ea3',
    950: '#000000',
  },
}

SCSS

$custom: #405ea3;
$custom-light: #7e8bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#405ea3",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 163
  },
  "hsl": {
    "h": 221.818,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49334,
    "c": 0.11622,
    "h": 264.8
  },
  "luminance": 0.1174
}

Semantic roles & 50–950 ramp

primary

#405EA3

secondary

#BDAB82

accent

#AD54D3

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #405EA3

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

Preview Lab → · Contrast checker → · Palette generator →