#405BC8#405BC8

#405BC8 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.3% C 0.172 H 269.0°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#405BC8
RGB	rgb(64, 91, 200)
HSL	hsl(228, 55%, 52%)
HSV	hsv(228, 68%, 78%)
CMYK	cmyk(68%, 54.5%, 0%, 21.6%)
CIE-LAB	lab(42.37, 26.07, -59.83)
CIE-LCH	lch(42.37, 65.26, 293.54°)
OKLab	oklab(51.3% -0.0029 -0.1721)
OKLCH	oklch(51.3% 0.172 269)
XYZ	xyz(16.2772, 12.7407, 56.2338)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BC8 #C8AD40

analogous

#409FC8 #405BC8 #6940C8

triadic

#405BC8 #C8405B #5BC840

tetradic

#405BC8 #C8409F #C8AD40 #40C869

square

#405BC8 #C8409F #C8AD40 #40C869

split-complementary

#405BC8 #C86940 #9FC840

monochromatic

#202F6E #2D449D #405BC8 #7084D6 #9FADE3

Accessibility & contrast

On white

5.92

#405BC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#405BC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BC8

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BC8	#FFFFFF	#000000	##FFFFFF
##405BC8	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACC

Deuteranopia (green-blind)

#005EC6

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405bc8;
/* rgb */ color: rgb(64, 91, 200);
/* oklch */ color: oklch(51.3% 0.172 269.0);

Tailwind

colors: {
  custom: {
    50: '#8489d9',
    500: '#405bc8',
    950: '#000000',
  },
}

SCSS

$custom: #405bc8;
$custom-light: #8489d9;
$custom-dark: #000000;

JSON

{
  "hex": "#405bc8",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 200
  },
  "hsl": {
    "h": 228.088,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51298,
    "c": 0.17211,
    "h": 269
  },
  "luminance": 0.12742
}

Semantic roles & 50–950 ramp

primary

#405BC8

secondary

#D0C494

accent

#C149DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405BC8

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

Preview Lab → · Contrast checker → · Palette generator →