#405DA1#405DA1

#405DA1 is a mid, moderate blue. Relative luminance 0.115; OKLCH L 49.0% C 0.115 H 265.1°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#405DA1
RGB	rgb(64, 93, 161)
HSL	hsl(222, 43%, 44%)
HSV	hsv(222, 60%, 63%)
CMYK	cmyk(60.2%, 42.2%, 0%, 36.9%)
CIE-LAB	lab(40.40, 10.91, -40.13)
CIE-LCH	lch(40.40, 41.58, 285.21°)
OKLab	oklab(48.99% -0.0099 -0.1141)
OKLCH	oklch(48.99% 0.115 265.1)
XYZ	xyz(12.4595, 11.4909, 35.2727)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DA1 #A18440

analogous

#408EA1 #405DA1 #5440A1

triadic

#405DA1 #A1405D #5DA140

tetradic

#405DA1 #A1408E #A18440 #40A154

square

#405DA1 #A1408E #A18440 #40A154

split-complementary

#405DA1 #A15440 #8EA140

monochromatic

#1D2A49 #2F4475 #405DA1 #5F7CBF #8BA0D1

Accessibility & contrast

On white

6.37

#405DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#405DA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DA1

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DA1	#FFFFFF	#000000	##FFFFFF
##405DA1	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F64A4

Deuteranopia (green-blind)

#325BA0

Tritanopia (blue-blind)

#006C77

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #405da1;
/* rgb */ color: rgb(64, 93, 161);
/* oklch */ color: oklch(49.0% 0.115 265.1);

Tailwind

colors: {
  custom: {
    50: '#7d8abd',
    500: '#405da1',
    950: '#000000',
  },
}

SCSS

$custom: #405da1;
$custom-light: #7d8abd;
$custom-dark: #000000;

JSON

{
  "hex": "#405da1",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 161
  },
  "hsl": {
    "h": 222.062,
    "s": 43.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.48986,
    "c": 0.11457,
    "h": 265.1
  },
  "luminance": 0.11492
}

Semantic roles & 50–950 ramp

primary

#405DA1

secondary

#BCAA81

accent

#AD55D3

background

#F8F8FB

surface

#EFF0F6

border

#CACBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #405DA1

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

Preview Lab → · Contrast checker → · Palette generator →