#405CBA#405CBA

#405CBA is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.5% C 0.152 H 268.1°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#405CBA
RGB	rgb(64, 92, 186)
HSL	hsl(226, 49%, 49%)
HSV	hsv(226, 66%, 73%)
CMYK	cmyk(65.6%, 50.5%, 0%, 27.1%)
CIE-LAB	lab(41.67, 20.42, -52.82)
CIE-LCH	lch(41.67, 56.63, 291.14°)
OKLab	oklab(50.46% -0.005 -0.1515)
OKLCH	oklch(50.46% 0.152 268.1)
XYZ	xyz(14.8014, 12.2881, 48.0367)
Luminance	0.1229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CBA #BA9E40

analogous

#4099BA #405CBA #6140BA

triadic

#405CBA #BA405C #5CBA40

tetradic

#405CBA #BA4099 #BA9E40 #40BA61

square

#405CBA #BA4099 #BA9E40 #40BA61

split-complementary

#405CBA #BA6140 #99BA40

monochromatic

#212F5F #30458C #405CBA #6B81CC #99A8DC

Accessibility & contrast

On white

6.07

#405CBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#405CBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CBA

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CBA	#FFFFFF	#000000	##FFFFFF
##405CBA	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2768BD

Deuteranopia (green-blind)

#005DB8

Tritanopia (blue-blind)

#007282

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #405cba;
/* rgb */ color: rgb(64, 92, 186);
/* oklch */ color: oklch(50.5% 0.152 268.1);

Tailwind

colors: {
  custom: {
    50: '#8289cf',
    500: '#405cba',
    950: '#000000',
  },
}

SCSS

$custom: #405cba;
$custom-light: #8289cf;
$custom-dark: #000000;

JSON

{
  "hex": "#405cba",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 186
  },
  "hsl": {
    "h": 226.23,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50462,
    "c": 0.15155,
    "h": 268.1
  },
  "luminance": 0.12289
}

Semantic roles & 50–950 ramp

primary

#405CBA

secondary

#C8BA8E

accent

#B94FD8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #405CBA

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

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