#405AC8#405AC8

#405AC8 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.1% C 0.173 H 269.3°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#405AC8
RGB	rgb(64, 90, 200)
HSL	hsl(229, 55%, 52%)
HSV	hsv(229, 68%, 78%)
CMYK	cmyk(68%, 55%, 0%, 21.6%)
CIE-LAB	lab(42.11, 26.71, -60.25)
CIE-LCH	lch(42.11, 65.90, 293.91°)
OKLab	oklab(51.1% -0.0021 -0.1733)
OKLCH	oklch(51.1% 0.173 269.3)
XYZ	xyz(16.1923, 12.5709, 56.2055)
Luminance	0.1257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AC8 #C8AE40

analogous

#409EC8 #405AC8 #6A40C8

triadic

#405AC8 #C8405A #5AC840

tetradic

#405AC8 #C8409E #C8AE40 #40C86A

square

#405AC8 #C8409E #C8AE40 #40C86A

split-complementary

#405AC8 #C86A40 #9EC840

monochromatic

#202F6E #2D439D #405AC8 #7083D6 #9FACE3

Accessibility & contrast

On white

5.98

#405AC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#405AC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AC8

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AC8	#FFFFFF	#000000	##FFFFFF
##405AC8	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACC

Deuteranopia (green-blind)

#005DC6

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405ac8;
/* rgb */ color: rgb(64, 90, 200);
/* oklch */ color: oklch(51.1% 0.173 269.3);

Tailwind

colors: {
  custom: {
    50: '#8588d9',
    500: '#405ac8',
    950: '#000000',
  },
}

SCSS

$custom: #405ac8;
$custom-light: #8588d9;
$custom-dark: #000000;

JSON

{
  "hex": "#405ac8",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 200
  },
  "hsl": {
    "h": 228.529,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51102,
    "c": 0.17335,
    "h": 269.3
  },
  "luminance": 0.12572
}

Semantic roles & 50–950 ramp

primary

#405AC8

secondary

#D0C494

accent

#C249DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405AC8

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

Preview Lab → · Contrast checker → · Palette generator →