#405BC0#405BC0

#405BC0 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.161 H 268.8°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#405BC0
RGB	rgb(64, 91, 192)
HSL	hsl(227, 50%, 50%)
HSV	hsv(227, 67%, 75%)
CMYK	cmyk(66.7%, 52.6%, 0%, 24.7%)
CIE-LAB	lab(41.81, 23.21, -56.10)
CIE-LCH	lch(41.81, 60.71, 292.48°)
OKLab	oklab(50.7% -0.0035 -0.1611)
OKLCH	oklch(50.7% 0.161 268.8)
XYZ	xyz(15.3666, 12.3765, 51.4380)
Luminance	0.1238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BC0 #C0A540

analogous

#409BC0 #405BC0 #6540C0

triadic

#405BC0 #C0405B #5BC040

tetradic

#405BC0 #C0409B #C0A540 #40C065

square

#405BC0 #C0409B #C0A540 #40C065

split-complementary

#405BC0 #C06540 #9BC040

monochromatic

#212F64 #304592 #405BC0 #6E83CF #9CAADE

Accessibility & contrast

On white

6.04

#405BC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#405BC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BC0

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BC0	#FFFFFF	#000000	##FFFFFF
##405BC0	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1969C4

Deuteranopia (green-blind)

#005DBE

Tritanopia (blue-blind)

#007385

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405bc0;
/* rgb */ color: rgb(64, 91, 192);
/* oklch */ color: oklch(50.7% 0.161 268.8);

Tailwind

colors: {
  custom: {
    50: '#8389d4',
    500: '#405bc0',
    950: '#000000',
  },
}

SCSS

$custom: #405bc0;
$custom-light: #8389d4;
$custom-dark: #000000;

JSON

{
  "hex": "#405bc0",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 192
  },
  "hsl": {
    "h": 227.344,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.50696,
    "c": 0.16116,
    "h": 268.8
  },
  "luminance": 0.12378
}

Semantic roles & 50–950 ramp

primary

#405BC0

secondary

#CBBE91

accent

#BC4EDA

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405BC0

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

Preview Lab → · Contrast checker → · Palette generator →