#405FC1#405FC1

#405FC1 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.158 H 267.4°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#405FC1
RGB	rgb(64, 95, 193)
HSL	hsl(226, 51%, 50%)
HSV	hsv(226, 67%, 76%)
CMYK	cmyk(66.8%, 50.8%, 0%, 24.3%)
CIE-LAB	lab(42.95, 21.00, -54.84)
CIE-LCH	lch(42.95, 58.72, 290.96°)
OKLab	oklab(51.58% -0.007 -0.1573)
OKLCH	oklch(51.58% 0.158 267.4)
XYZ	xyz(15.8289, 13.1232, 52.1406)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FC1 #C1A240

analogous

#40A0C1 #405FC1 #6140C1

triadic

#405FC1 #C1405F #5FC140

tetradic

#405FC1 #C140A0 #C1A240 #40C161

square

#405FC1 #C140A0 #C1A240 #40C161

split-complementary

#405FC1 #C16140 #A0C140

monochromatic

#213166 #304894 #405FC1 #6E86D0 #9CACDF

Accessibility & contrast

On white

5.79

#405FC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#405FC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FC1

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FC1	#FFFFFF	#000000	##FFFFFF
##405FC1	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#266CC5

Deuteranopia (green-blind)

#0060BF

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405fc1;
/* rgb */ color: rgb(64, 95, 193);
/* oklch */ color: oklch(51.6% 0.158 267.4);

Tailwind

colors: {
  custom: {
    50: '#838bd4',
    500: '#405fc1',
    950: '#000000',
  },
}

SCSS

$custom: #405fc1;
$custom-light: #838bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#405fc1",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 193
  },
  "hsl": {
    "h": 225.581,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51581,
    "c": 0.15751,
    "h": 267.4
  },
  "luminance": 0.13125
}

Semantic roles & 50–950 ramp

primary

#405FC1

secondary

#CBBD92

accent

#B94DDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #405FC1

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

Preview Lab → · Contrast checker → · Palette generator →