#405DCE#405DCE

#405DCE is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.1% C 0.178 H 268.6°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#405DCE
RGB	rgb(64, 93, 206)
HSL	hsl(228, 59%, 53%)
HSV	hsv(228, 69%, 81%)
CMYK	cmyk(68.9%, 54.9%, 0%, 19.2%)
CIE-LAB	lab(43.32, 26.93, -61.74)
CIE-LCH	lch(43.32, 67.36, 293.57°)
OKLab	oklab(52.15% -0.0043 -0.1777)
OKLCH	oklch(52.15% 0.178 268.6)
XYZ	xyz(17.1655, 13.3732, 60.0572)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DCE #CEB140

analogous

#40A4CE #405DCE #6A40CE

triadic

#405DCE #CE405D #5DCE40

tetradic

#405DCE #CE40A4 #CEB140 #40CE6A

square

#405DCE #CE40A4 #CEB140 #40CE6A

split-complementary

#405DCE #CE6A40 #A4CE40

monochromatic

#1E3075 #2B44A6 #405DCE #7186DA #A1B0E7

Accessibility & contrast

On white

5.71

#405DCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#405DCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DCE

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DCE	#FFFFFF	#000000	##FFFFFF
##405DCE	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD2

Deuteranopia (green-blind)

#0060CC

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405dce;
/* rgb */ color: rgb(64, 93, 206);
/* oklch */ color: oklch(52.1% 0.178 268.6);

Tailwind

colors: {
  custom: {
    50: '#868ade',
    500: '#405dce',
    950: '#000000',
  },
}

SCSS

$custom: #405dce;
$custom-light: #868ade;
$custom-dark: #000000;

JSON

{
  "hex": "#405dce",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 206
  },
  "hsl": {
    "h": 227.746,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.52149,
    "c": 0.17775,
    "h": 268.6
  },
  "luminance": 0.13375
}

Semantic roles & 50–950 ramp

primary

#405DCE

secondary

#D4C796

accent

#C245E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405DCE

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

Preview Lab → · Contrast checker → · Palette generator →