#405BBA#405BBA

#405BBA is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.153 H 268.5°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#405BBA
RGB	rgb(64, 91, 186)
HSL	hsl(227, 49%, 49%)
HSV	hsv(227, 66%, 73%)
CMYK	cmyk(65.6%, 51.1%, 0%, 27.1%)
CIE-LAB	lab(41.40, 21.07, -53.26)
CIE-LCH	lch(41.40, 57.27, 291.58°)
OKLab	oklab(50.26% -0.004 -0.1528)
OKLCH	oklch(50.26% 0.153 268.5)
XYZ	xyz(14.7153, 12.1160, 48.0080)
Luminance	0.1212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BBA #BA9F40

analogous

#4098BA #405BBA #6240BA

triadic

#405BBA #BA405B #5BBA40

tetradic

#405BBA #BA4098 #BA9F40 #40BA62

square

#405BBA #BA4098 #BA9F40 #40BA62

split-complementary

#405BBA #BA6240 #98BA40

monochromatic

#212E5F #30458C #405BBA #6B81CC #99A7DC

Accessibility & contrast

On white

6.13

#405BBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#405BBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BBA

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BBA	#FFFFFF	#000000	##FFFFFF
##405BBA	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2467BD

Deuteranopia (green-blind)

#005CB8

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #405bba;
/* rgb */ color: rgb(64, 91, 186);
/* oklch */ color: oklch(50.3% 0.153 268.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#405bba",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 186
  },
  "hsl": {
    "h": 226.721,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50257,
    "c": 0.15281,
    "h": 268.5
  },
  "luminance": 0.12117
}

Semantic roles & 50–950 ramp

primary

#405BBA

secondary

#C8BB8E

accent

#BA4FD8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #405BBA

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

Preview Lab → · Contrast checker → · Palette generator →