#405BB7#405BB7

#405BB7 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.149 H 268.3°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#405BB7
RGB	rgb(64, 91, 183)
HSL	hsl(226, 48%, 48%)
HSV	hsv(226, 65%, 72%)
CMYK	cmyk(65%, 50.3%, 0%, 28.2%)
CIE-LAB	lab(41.20, 20.00, -51.83)
CIE-LCH	lch(41.20, 55.55, 291.10°)
OKLab	oklab(50.04% -0.0044 -0.1485)
OKLCH	oklch(50.04% 0.149 268.3)
XYZ	xyz(14.3998, 11.9897, 46.3460)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BB7 #B79C40

analogous

#4096B7 #405BB7 #6140B7

triadic

#405BB7 #B7405B #5BB740

tetradic

#405BB7 #B74096 #B79C40 #40B761

square

#405BB7 #B74096 #B79C40 #40B761

split-complementary

#405BB7 #B76140 #96B740

monochromatic

#202E5C #30448A #405BB7 #6980CB #97A6DB

Accessibility & contrast

On white

6.18

#405BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#405BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BB7

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BB7	#FFFFFF	#000000	##FFFFFF
##405BB7	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2867BA

Deuteranopia (green-blind)

#035CB5

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #405bb7;
/* rgb */ color: rgb(64, 91, 183);
/* oklch */ color: oklch(50.0% 0.149 268.3);

Tailwind

colors: {
  custom: {
    50: '#8189cd',
    500: '#405bb7',
    950: '#000000',
  },
}

SCSS

$custom: #405bb7;
$custom-light: #8189cd;
$custom-dark: #000000;

JSON

{
  "hex": "#405bb7",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 183
  },
  "hsl": {
    "h": 226.387,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50041,
    "c": 0.14861,
    "h": 268.3
  },
  "luminance": 0.11991
}

Semantic roles & 50–950 ramp

primary

#405BB7

secondary

#C6B98D

accent

#B950D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405BB7

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

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