#405CC1#405CC1

#405CC1 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.0% C 0.161 H 268.5°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#405CC1
RGB	rgb(64, 92, 193)
HSL	hsl(227, 51%, 50%)
HSV	hsv(227, 67%, 76%)
CMYK	cmyk(66.8%, 52.3%, 0%, 24.3%)
CIE-LAB	lab(42.14, 22.93, -56.14)
CIE-LCH	lch(42.14, 60.64, 292.22°)
OKLab	oklab(50.97% -0.0043 -0.1612)
OKLCH	oklch(50.97% 0.161 268.5)
XYZ	xyz(15.5638, 12.5931, 52.0522)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CC1 #C1A540

analogous

#409CC1 #405CC1 #6540C1

triadic

#405CC1 #C1405C #5CC140

tetradic

#405CC1 #C1409C #C1A540 #40C165

square

#405CC1 #C1409C #C1A540 #40C165

split-complementary

#405CC1 #C16540 #9CC140

monochromatic

#213066 #304694 #405CC1 #6E83D0 #9CABDF

Accessibility & contrast

On white

5.97

#405CC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#405CC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CC1

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CC1	#FFFFFF	#000000	##FFFFFF
##405CC1	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B6AC5

Deuteranopia (green-blind)

#005EBF

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405cc1;
/* rgb */ color: rgb(64, 92, 193);
/* oklch */ color: oklch(51.0% 0.161 268.5);

Tailwind

colors: {
  custom: {
    50: '#8389d4',
    500: '#405cc1',
    950: '#000000',
  },
}

SCSS

$custom: #405cc1;
$custom-light: #8389d4;
$custom-dark: #000000;

JSON

{
  "hex": "#405cc1",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 193
  },
  "hsl": {
    "h": 226.977,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50972,
    "c": 0.16128,
    "h": 268.5
  },
  "luminance": 0.12595
}

Semantic roles & 50–950 ramp

primary

#405CC1

secondary

#CBBF92

accent

#BC4DDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405CC1

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

Preview Lab → · Contrast checker → · Palette generator →