#405FA1#405FA1

#405FA1 is a mid, moderate blue. Relative luminance 0.118; OKLCH L 49.4% C 0.112 H 263.8°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#405FA1
RGB	rgb(64, 95, 161)
HSL	hsl(221, 43%, 44%)
HSV	hsv(221, 60%, 63%)
CMYK	cmyk(60.2%, 41%, 0%, 36.9%)
CIE-LAB	lab(40.97, 9.63, -39.21)
CIE-LCH	lch(40.97, 40.38, 283.80°)
OKLab	oklab(49.43% -0.0121 -0.1114)
OKLCH	oklch(49.43% 0.112 263.8)
XYZ	xyz(12.6374, 11.8466, 35.3320)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FA1 #A18240

analogous

#4090A1 #405FA1 #5240A1

triadic

#405FA1 #A1405F #5FA140

tetradic

#405FA1 #A14090 #A18240 #40A152

square

#405FA1 #A14090 #A18240 #40A152

split-complementary

#405FA1 #A15240 #90A140

monochromatic

#1D2B49 #2F4575 #405FA1 #5F7EBF #8BA1D1

Accessibility & contrast

On white

6.23

#405FA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#405FA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FA1

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FA1	#FFFFFF	#000000	##FFFFFF
##405FA1	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4265A4

Deuteranopia (green-blind)

#355CA0

Tritanopia (blue-blind)

#006E78

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #405fa1;
/* rgb */ color: rgb(64, 95, 161);
/* oklch */ color: oklch(49.4% 0.112 263.8);

Tailwind

colors: {
  custom: {
    50: '#7d8cbd',
    500: '#405fa1',
    950: '#000000',
  },
}

SCSS

$custom: #405fa1;
$custom-light: #7d8cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#405fa1",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 161
  },
  "hsl": {
    "h": 220.825,
    "s": 43.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.49431,
    "c": 0.11209,
    "h": 263.8
  },
  "luminance": 0.11848
}

Semantic roles & 50–950 ramp

primary

#405FA1

secondary

#BCA981

accent

#AB55D3

background

#F8F8FB

surface

#EFF0F6

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #405FA1

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

Preview Lab → · Contrast checker → · Palette generator →