#405DB2#405DB2

#405DB2 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.1% C 0.139 H 267.1°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#405DB2
RGB	rgb(64, 93, 178)
HSL	hsl(225, 47%, 47%)
HSV	hsv(225, 64%, 70%)
CMYK	cmyk(64%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(41.42, 16.93, -48.53)
CIE-LCH	lch(41.42, 51.40, 289.23°)
OKLab	oklab(50.11% -0.007 -0.1388)
OKLCH	oklch(50.11% 0.139 267.1)
XYZ	xyz(14.0618, 12.1318, 43.7115)
Luminance	0.1213 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DB2 #B29540

analogous

#4096B2 #405DB2 #5C40B2

triadic

#405DB2 #B2405D #5DB240

tetradic

#405DB2 #B24096 #B29540 #40B25C

square

#405DB2 #B24096 #B29540 #40B25C

split-complementary

#405DB2 #B25C40 #96B240

monochromatic

#202E58 #304585 #405DB2 #6780C8 #94A5D8

Accessibility & contrast

On white

6.13

#405DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#405DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DB2

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DB2	#FFFFFF	#000000	##FFFFFF
##405DB2	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3267B5

Deuteranopia (green-blind)

#1C5DB0

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #405db2;
/* rgb */ color: rgb(64, 93, 178);
/* oklch */ color: oklch(50.1% 0.139 267.1);

Tailwind

colors: {
  custom: {
    50: '#808ac9',
    500: '#405db2',
    950: '#000000',
  },
}

SCSS

$custom: #405db2;
$custom-light: #808ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#405db2",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 224.737,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.50109,
    "c": 0.139,
    "h": 267.1
  },
  "luminance": 0.12133
}

Semantic roles & 50–950 ramp

primary

#405DB2

secondary

#C4B58A

accent

#B551D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405DB2

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

Preview Lab → · Contrast checker → · Palette generator →