#405ACE#405ACE

#405ACE is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.6% C 0.181 H 269.4°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#405ACE
RGB	rgb(64, 90, 206)
HSL	hsl(229, 59%, 53%)
HSV	hsv(229, 69%, 81%)
CMYK	cmyk(68.9%, 56.3%, 0%, 19.2%)
CIE-LAB	lab(42.55, 28.84, -63.00)
CIE-LCH	lch(42.55, 69.29, 294.60°)
OKLab	oklab(51.57% -0.0018 -0.1814)
OKLCH	oklch(51.57% 0.181 269.4)
XYZ	xyz(16.9073, 12.8569, 59.9712)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ACE #CEB440

analogous

#40A1CE #405ACE #6D40CE

triadic

#405ACE #CE405A #5ACE40

tetradic

#405ACE #CE40A1 #CEB440 #40CE6D

square

#405ACE #CE40A1 #CEB440 #40CE6D

split-complementary

#405ACE #CE6D40 #A1CE40

monochromatic

#1E2E75 #2B41A6 #405ACE #7184DA #A1AEE7

Accessibility & contrast

On white

5.88

#405ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#405ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ACE

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ACE	#FFFFFF	#000000	##FFFFFF
##405ACE	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD2

Deuteranopia (green-blind)

#005ECC

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405ace;
/* rgb */ color: rgb(64, 90, 206);
/* oklch */ color: oklch(51.6% 0.181 269.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#405ace",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 206
  },
  "hsl": {
    "h": 229.014,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.51568,
    "c": 0.18145,
    "h": 269.4
  },
  "luminance": 0.12859
}

Semantic roles & 50–950 ramp

primary

#405ACE

secondary

#D4C896

accent

#C645E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405ACE

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

Preview Lab → · Contrast checker → · Palette generator →