#405BC2#405BC2

#405BC2 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.8% C 0.164 H 268.8°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#405BC2
RGB	rgb(64, 91, 194)
HSL	hsl(228, 52%, 51%)
HSV	hsv(228, 67%, 76%)
CMYK	cmyk(67%, 53.1%, 0%, 23.9%)
CIE-LAB	lab(41.95, 23.93, -57.03)
CIE-LCH	lch(41.95, 61.85, 292.76°)
OKLab	oklab(50.85% -0.0033 -0.1639)
OKLCH	oklch(50.85% 0.164 268.8)
XYZ	xyz(15.5897, 12.4657, 52.6130)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BC2 #C2A740

analogous

#409CC2 #405BC2 #6640C2

triadic

#405BC2 #C2405B #5BC240

tetradic

#405BC2 #C2409C #C2A740 #40C266

square

#405BC2 #C2409C #C2A740 #40C266

split-complementary

#405BC2 #C26640 #9CC240

monochromatic

#212F67 #304595 #405BC2 #6E83D1 #9DABE0

Accessibility & contrast

On white

6.01

#405BC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#405BC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BC2

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BC2	#FFFFFF	#000000	##FFFFFF
##405BC2	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1569C6

Deuteranopia (green-blind)

#005DC0

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405bc2;
/* rgb */ color: rgb(64, 91, 194);
/* oklch */ color: oklch(50.8% 0.164 268.8);

Tailwind

colors: {
  custom: {
    50: '#8389d5',
    500: '#405bc2',
    950: '#000000',
  },
}

SCSS

$custom: #405bc2;
$custom-light: #8389d5;
$custom-dark: #000000;

JSON

{
  "hex": "#405bc2",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 194
  },
  "hsl": {
    "h": 227.538,
    "s": 51.587,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50845,
    "c": 0.16391,
    "h": 268.8
  },
  "luminance": 0.12467
}

Semantic roles & 50–950 ramp

primary

#405BC2

secondary

#CCC092

accent

#BD4DDB

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405BC2

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

Preview Lab → · Contrast checker → · Palette generator →