#405ACF#405ACF

#405ACF is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.6% C 0.183 H 269.4°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#405ACF
RGB	rgb(64, 90, 207)
HSL	hsl(229, 60%, 53%)
HSV	hsv(229, 69%, 81%)
CMYK	cmyk(69.1%, 56.5%, 0%, 18.8%)
CIE-LAB	lab(42.62, 29.20, -63.45)
CIE-LCH	lch(42.62, 69.85, 294.71°)
OKLab	oklab(51.65% -0.0018 -0.1828)
OKLCH	oklch(51.65% 0.183 269.4)
XYZ	xyz(17.0291, 12.9056, 60.6130)
Luminance	0.1291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ACF #CFB540

analogous

#40A1CF #405ACF #6D40CF

triadic

#405ACF #CF405A #5ACF40

tetradic

#405ACF #CF40A1 #CFB540 #40CF6D

square

#405ACF #CF40A1 #CFB540 #40CF6D

split-complementary

#405ACF #CF6D40 #A1CF40

monochromatic

#1E2E77 #2A41A8 #405ACF #7184DB #A2AFE8

Accessibility & contrast

On white

5.86

#405ACF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#405ACF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ACF

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ACF	#FFFFFF	#000000	##FFFFFF
##405ACF	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405acf;
/* rgb */ color: rgb(64, 90, 207);
/* oklch */ color: oklch(51.6% 0.183 269.4);

Tailwind

colors: {
  custom: {
    50: '#8688de',
    500: '#405acf',
    950: '#000000',
  },
}

SCSS

$custom: #405acf;
$custom-light: #8688de;
$custom-dark: #000000;

JSON

{
  "hex": "#405acf",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 207
  },
  "hsl": {
    "h": 229.091,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51647,
    "c": 0.18279,
    "h": 269.4
  },
  "luminance": 0.12907
}

Semantic roles & 50–950 ramp

primary

#405ACF

secondary

#D4C997

accent

#C645E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #405ACF

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

Preview Lab → · Contrast checker → · Palette generator →