#405CB7#405CB7

#405CB7 is a mid, vivid blue. Relative luminance 0.122; OKLCH L 50.2% C 0.147 H 267.9°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#405CB7
RGB	rgb(64, 92, 183)
HSL	hsl(226, 48%, 48%)
HSV	hsv(226, 65%, 72%)
CMYK	cmyk(65%, 49.7%, 0%, 28.2%)
CIE-LAB	lab(41.47, 19.35, -51.39)
CIE-LCH	lch(41.47, 54.91, 290.64°)
OKLab	oklab(50.25% -0.0053 -0.1472)
OKLCH	oklch(50.25% 0.147 267.9)
XYZ	xyz(14.4858, 12.1619, 46.3746)
Luminance	0.1216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CB7 #B79B40

analogous

#4097B7 #405CB7 #5F40B7

triadic

#405CB7 #B7405C #5CB740

tetradic

#405CB7 #B74097 #B79B40 #40B75F

square

#405CB7 #B74097 #B79B40 #40B75F

split-complementary

#405CB7 #B75F40 #97B740

monochromatic

#202E5C #30458A #405CB7 #6980CB #97A7DB

Accessibility & contrast

On white

6.12

#405CB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#405CB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CB7

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CB7	#FFFFFF	#000000	##FFFFFF
##405CB7	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A67BA

Deuteranopia (green-blind)

#0A5DB5

Tritanopia (blue-blind)

#007181

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #405cb7;
/* rgb */ color: rgb(64, 92, 183);
/* oklch */ color: oklch(50.2% 0.147 267.9);

Tailwind

colors: {
  custom: {
    50: '#8189cd',
    500: '#405cb7',
    950: '#000000',
  },
}

SCSS

$custom: #405cb7;
$custom-light: #8189cd;
$custom-dark: #000000;

JSON

{
  "hex": "#405cb7",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 183
  },
  "hsl": {
    "h": 225.882,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50248,
    "c": 0.14734,
    "h": 267.9
  },
  "luminance": 0.12163
}

Semantic roles & 50–950 ramp

primary

#405CB7

secondary

#C6B98D

accent

#B850D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405CB7

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

Preview Lab → · Contrast checker → · Palette generator →