#405ABC#405ABC

#405ABC is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.2% C 0.157 H 268.9°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#405ABC
RGB	rgb(64, 90, 188)
HSL	hsl(227, 49%, 49%)
HSV	hsv(227, 66%, 74%)
CMYK	cmyk(66%, 52.1%, 0%, 26.3%)
CIE-LAB	lab(41.27, 22.43, -54.64)
CIE-LCH	lch(41.27, 59.06, 292.31°)
OKLab	oklab(50.2% -0.0029 -0.1568)
OKLCH	oklch(50.2% 0.157 268.9)
XYZ	xyz(14.8445, 12.0318, 49.1073)
Luminance	0.1203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ABC #BCA240

analogous

#4098BC #405ABC #6440BC

triadic

#405ABC #BC405A #5ABC40

tetradic

#405ABC #BC4098 #BCA240 #40BC64

square

#405ABC #BC4098 #BCA240 #40BC64

split-complementary

#405ABC #BC6440 #98BC40

monochromatic

#212E61 #30448E #405ABC #6C80CD #9AA8DD

Accessibility & contrast

On white

6.16

#405ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#405ABC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ABC

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ABC	#FFFFFF	#000000	##FFFFFF
##405ABC	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D67BF

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#007182

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #405abc;
/* rgb */ color: rgb(64, 90, 188);
/* oklch */ color: oklch(50.2% 0.157 268.9);

Tailwind

colors: {
  custom: {
    50: '#8288d1',
    500: '#405abc',
    950: '#000000',
  },
}

SCSS

$custom: #405abc;
$custom-light: #8288d1;
$custom-dark: #000000;

JSON

{
  "hex": "#405abc",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 188
  },
  "hsl": {
    "h": 227.419,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.502,
    "c": 0.15688,
    "h": 268.9
  },
  "luminance": 0.12033
}

Semantic roles & 50–950 ramp

primary

#405ABC

secondary

#C9BD8F

accent

#BC4FD9

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #405ABC

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

Preview Lab → · Contrast checker → · Palette generator →