#405EB2#405EB2

#405EB2 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.3% C 0.138 H 266.7°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#405EB2
RGB	rgb(64, 94, 178)
HSL	hsl(224, 47%, 47%)
HSV	hsv(224, 64%, 70%)
CMYK	cmyk(64%, 47.2%, 0%, 30.2%)
CIE-LAB	lab(41.70, 16.28, -48.09)
CIE-LCH	lch(41.70, 50.77, 288.71°)
OKLab	oklab(50.32% -0.008 -0.1375)
OKLCH	oklch(50.32% 0.138 266.7)
XYZ	xyz(14.1502, 12.3085, 43.7409)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EB2 #B29440

analogous

#4097B2 #405EB2 #5B40B2

triadic

#405EB2 #B2405E #5EB240

tetradic

#405EB2 #B24097 #B29440 #40B25B

square

#405EB2 #B24097 #B29440 #40B25B

split-complementary

#405EB2 #B25B40 #97B240

monochromatic

#202E58 #304685 #405EB2 #6781C8 #94A6D8

Accessibility & contrast

On white

6.07

#405EB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#405EB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EB2

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EB2	#FFFFFF	#000000	##FFFFFF
##405EB2	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3468B5

Deuteranopia (green-blind)

#1F5EB0

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #405eb2;
/* rgb */ color: rgb(64, 94, 178);
/* oklch */ color: oklch(50.3% 0.138 266.7);

Tailwind

colors: {
  custom: {
    50: '#808bc9',
    500: '#405eb2',
    950: '#000000',
  },
}

SCSS

$custom: #405eb2;
$custom-light: #808bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#405eb2",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 178
  },
  "hsl": {
    "h": 224.211,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.50321,
    "c": 0.13774,
    "h": 266.7
  },
  "luminance": 0.1231
}

Semantic roles & 50–950 ramp

primary

#405EB2

secondary

#C4B58A

accent

#B451D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405EB2

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

Preview Lab → · Contrast checker → · Palette generator →