#405CBE#405CBE

#405CBE is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.8% C 0.157 H 268.3°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#405CBE
RGB	rgb(64, 92, 190)
HSL	hsl(227, 50%, 50%)
HSV	hsv(227, 66%, 75%)
CMYK	cmyk(66.3%, 51.6%, 0%, 25.5%)
CIE-LAB	lab(41.94, 21.85, -54.72)
CIE-LCH	lch(41.94, 58.92, 291.77°)
OKLab	oklab(50.75% -0.0046 -0.1571)
OKLCH	oklch(50.75% 0.157 268.3)
XYZ	xyz(15.2326, 12.4606, 50.3076)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CBE #BEA240

analogous

#409BBE #405CBE #6340BE

triadic

#405CBE #BE405C #5CBE40

tetradic

#405CBE #BE409B #BEA240 #40BE63

square

#405CBE #BE409B #BEA240 #40BE63

split-complementary

#405CBE #BE6340 #9BBE40

monochromatic

#213062 #314690 #405CBE #6D83CE #9BAADD

Accessibility & contrast

On white

6.01

#405CBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#405CBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CBE

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CBE	#FFFFFF	#000000	##FFFFFF
##405CBE	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2169C1

Deuteranopia (green-blind)

#005EBC

Tritanopia (blue-blind)

#007384

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405cbe;
/* rgb */ color: rgb(64, 92, 190);
/* oklch */ color: oklch(50.8% 0.157 268.3);

Tailwind

colors: {
  custom: {
    50: '#8289d2',
    500: '#405cbe',
    950: '#000000',
  },
}

SCSS

$custom: #405cbe;
$custom-light: #8289d2;
$custom-dark: #000000;

JSON

{
  "hex": "#405cbe",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 190
  },
  "hsl": {
    "h": 226.667,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.50752,
    "c": 0.15713,
    "h": 268.3
  },
  "luminance": 0.12462
}

Semantic roles & 50–950 ramp

primary

#405CBE

secondary

#C9BD90

accent

#BA4FD9

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405CBE

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

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