#405DD2#405DD2

#405DD2 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.5% C 0.183 H 268.7°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#405DD2
RGB	rgb(64, 93, 210)
HSL	hsl(228, 62%, 54%)
HSV	hsv(228, 70%, 82%)
CMYK	cmyk(69.5%, 55.7%, 0%, 17.6%)
CIE-LAB	lab(43.61, 28.36, -63.57)
CIE-LCH	lch(43.61, 69.61, 294.04°)
OKLab	oklab(52.46% -0.0041 -0.1831)
OKLCH	oklch(52.46% 0.183 268.7)
XYZ	xyz(17.6576, 13.5701, 62.6490)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DD2 #D2B540

analogous

#40A6D2 #405DD2 #6C40D2

triadic

#405DD2 #D2405D #5DD240

tetradic

#405DD2 #D240A6 #D2B540 #40D26C

square

#405DD2 #D240A6 #D2B540 #40D26C

split-complementary

#405DD2 #D26C40 #A6D240

monochromatic

#1D307B #2943AC #405DD2 #7287DE #A3B1E9

Accessibility & contrast

On white

5.65

#405DD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#405DD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DD2

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DD2	#FFFFFF	#000000	##FFFFFF
##405DD2	1.00	5.65	3.71	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED6

Deuteranopia (green-blind)

#0061D0

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #405dd2;
/* rgb */ color: rgb(64, 93, 210);
/* oklch */ color: oklch(52.5% 0.183 268.7);

Tailwind

colors: {
  custom: {
    50: '#868ae1',
    500: '#405dd2',
    950: '#000000',
  },
}

SCSS

$custom: #405dd2;
$custom-light: #868ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#405dd2",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 210
  },
  "hsl": {
    "h": 228.082,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.52458,
    "c": 0.18313,
    "h": 268.7
  },
  "luminance": 0.13572
}

Semantic roles & 50–950 ramp

primary

#405DD2

secondary

#D6CA98

accent

#C543E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #405DD2

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

Preview Lab → · Contrast checker → · Palette generator →