#405DBC#405DBC

#405DBC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.8% C 0.153 H 267.9°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#405DBC
RGB	rgb(64, 93, 188)
HSL	hsl(226, 49%, 49%)
HSV	hsv(226, 66%, 74%)
CMYK	cmyk(66%, 50.5%, 0%, 26.3%)
CIE-LAB	lab(42.07, 20.50, -53.34)
CIE-LCH	lch(42.07, 57.14, 291.02°)
OKLab	oklab(50.81% -0.0057 -0.153)
OKLCH	oklch(50.81% 0.153 267.9)
XYZ	xyz(15.1027, 12.5481, 49.1933)
Luminance	0.1255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DBC #BC9F40

analogous

#409BBC #405DBC #6140BC

triadic

#405DBC #BC405D #5DBC40

tetradic

#405DBC #BC409B #BC9F40 #40BC61

square

#405DBC #BC409B #BC9F40 #40BC61

split-complementary

#405DBC #BC6140 #9BBC40

monochromatic

#213061 #30468E #405DBC #6C83CD #9AA9DD

Accessibility & contrast

On white

5.98

#405DBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#405DBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DBC

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DBC	#FFFFFF	#000000	##FFFFFF
##405DBC	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2769BF

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405dbc;
/* rgb */ color: rgb(64, 93, 188);
/* oklch */ color: oklch(50.8% 0.153 267.9);

Tailwind

colors: {
  custom: {
    50: '#828ad1',
    500: '#405dbc',
    950: '#000000',
  },
}

SCSS

$custom: #405dbc;
$custom-light: #828ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#405dbc",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 188
  },
  "hsl": {
    "h": 225.968,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.50811,
    "c": 0.15308,
    "h": 267.9
  },
  "luminance": 0.1255
}

Semantic roles & 50–950 ramp

primary

#405DBC

secondary

#C9BB8F

accent

#B94FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #405DBC

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

Preview Lab → · Contrast checker → · Palette generator →