#405ACD#405ACD

#405ACD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.180 H 269.4°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#405ACD
RGB	rgb(64, 90, 205)
HSL	hsl(229, 59%, 53%)
HSV	hsv(229, 69%, 80%)
CMYK	cmyk(68.8%, 56.1%, 0%, 19.6%)
CIE-LAB	lab(42.47, 28.49, -62.54)
CIE-LCH	lch(42.47, 68.73, 294.49°)
OKLab	oklab(51.49% -0.0018 -0.1801)
OKLCH	oklch(51.49% 0.18 269.4)
XYZ	xyz(16.7862, 12.8085, 59.3334)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ACD #CDB340

analogous

#40A1CD #405ACD #6C40CD

triadic

#405ACD #CD405A #5ACD40

tetradic

#405ACD #CD40A1 #CDB340 #40CD6C

square

#405ACD #CD40A1 #CDB340 #40CD6C

split-complementary

#405ACD #CD6C40 #A1CD40

monochromatic

#1E2E74 #2B42A5 #405ACD #7184DA #A1AEE6

Accessibility & contrast

On white

5.90

#405ACD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#405ACD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ACD

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ACD	#FFFFFF	#000000	##FFFFFF
##405ACD	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD1

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405acd;
/* rgb */ color: rgb(64, 90, 205);
/* oklch */ color: oklch(51.5% 0.180 269.4);

Tailwind

colors: {
  custom: {
    50: '#8688dd',
    500: '#405acd',
    950: '#000000',
  },
}

SCSS

$custom: #405acd;
$custom-light: #8688dd;
$custom-dark: #000000;

JSON

{
  "hex": "#405acd",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 205
  },
  "hsl": {
    "h": 228.936,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5149,
    "c": 0.1801,
    "h": 269.4
  },
  "luminance": 0.1281
}

Semantic roles & 50–950 ramp

primary

#405ACD

secondary

#D3C896

accent

#C546E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405ACD

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

Preview Lab → · Contrast checker → · Palette generator →