#405CA1#405CA1

#405CA1 is a mid, moderate blue. Relative luminance 0.113; OKLCH L 48.8% C 0.116 H 265.7°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#405CA1
RGB	rgb(64, 92, 161)
HSL	hsl(223, 43%, 44%)
HSV	hsv(223, 60%, 63%)
CMYK	cmyk(60.2%, 42.9%, 0%, 36.9%)
CIE-LAB	lab(40.11, 11.55, -40.58)
CIE-LCH	lch(40.11, 42.19, 285.89°)
OKLab	oklab(48.77% -0.0088 -0.1155)
OKLCH	oklch(48.77% 0.116 265.7)
XYZ	xyz(12.3723, 11.3165, 35.2436)
Luminance	0.1132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CA1 #A18540

analogous

#408DA1 #405CA1 #5540A1

triadic

#405CA1 #A1405C #5CA140

tetradic

#405CA1 #A1408D #A18540 #40A155

square

#405CA1 #A1408D #A18540 #40A155

split-complementary

#405CA1 #A15540 #8DA140

monochromatic

#1D2A49 #2F4375 #405CA1 #5F7BBF #8B9FD1

Accessibility & contrast

On white

6.44

#405CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#405CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CA1

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CA1	#FFFFFF	#000000	##FFFFFF
##405CA1	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E63A4

Deuteranopia (green-blind)

#305AA0

Tritanopia (blue-blind)

#006B76

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #405ca1;
/* rgb */ color: rgb(64, 92, 161);
/* oklch */ color: oklch(48.8% 0.116 265.7);

Tailwind

colors: {
  custom: {
    50: '#7d89bd',
    500: '#405ca1',
    950: '#000000',
  },
}

SCSS

$custom: #405ca1;
$custom-light: #7d89bd;
$custom-dark: #000000;

JSON

{
  "hex": "#405ca1",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 161
  },
  "hsl": {
    "h": 222.68,
    "s": 43.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48766,
    "c": 0.11582,
    "h": 265.7
  },
  "luminance": 0.11317
}

Semantic roles & 50–950 ramp

primary

#405CA1

secondary

#BCAB81

accent

#AF55D3

background

#F8F8FB

surface

#EFF0F6

border

#CACBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #405CA1

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

Preview Lab → · Contrast checker → · Palette generator →