#405BC1#405BC1

#405BC1 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.8% C 0.163 H 268.8°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#405BC1
RGB	rgb(64, 91, 193)
HSL	hsl(227, 51%, 50%)
HSV	hsv(227, 67%, 76%)
CMYK	cmyk(66.8%, 52.8%, 0%, 24.3%)
CIE-LAB	lab(41.88, 23.57, -56.57)
CIE-LCH	lch(41.88, 61.28, 292.62°)
OKLab	oklab(50.77% -0.0034 -0.1625)
OKLCH	oklch(50.77% 0.163 268.8)
XYZ	xyz(15.4778, 12.4210, 52.0235)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BC1 #C1A640

analogous

#409BC1 #405BC1 #6540C1

triadic

#405BC1 #C1405B #5BC140

tetradic

#405BC1 #C1409B #C1A640 #40C165

square

#405BC1 #C1409B #C1A640 #40C165

split-complementary

#405BC1 #C16540 #9BC140

monochromatic

#212F66 #304594 #405BC1 #6E83D0 #9CAADF

Accessibility & contrast

On white

6.03

#405BC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#405BC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BC1

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BC1	#FFFFFF	#000000	##FFFFFF
##405BC1	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1769C5

Deuteranopia (green-blind)

#005DBF

Tritanopia (blue-blind)

#007385

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405bc1;
/* rgb */ color: rgb(64, 91, 193);
/* oklch */ color: oklch(50.8% 0.163 268.8);

Tailwind

colors: {
  custom: {
    50: '#8389d4',
    500: '#405bc1',
    950: '#000000',
  },
}

SCSS

$custom: #405bc1;
$custom-light: #8389d4;
$custom-dark: #000000;

JSON

{
  "hex": "#405bc1",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 193
  },
  "hsl": {
    "h": 227.442,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50771,
    "c": 0.16254,
    "h": 268.8
  },
  "luminance": 0.12422
}

Semantic roles & 50–950 ramp

primary

#405BC1

secondary

#CBBF92

accent

#BD4DDA

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405BC1

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

Preview Lab → · Contrast checker → · Palette generator →