#405DCF#405DCF

#405DCF is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.179 H 268.7°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#405DCF
RGB	rgb(64, 93, 207)
HSL	hsl(228, 60%, 53%)
HSV	hsv(228, 69%, 81%)
CMYK	cmyk(69.1%, 55.1%, 0%, 18.8%)
CIE-LAB	lab(43.39, 27.29, -62.20)
CIE-LCH	lch(43.39, 67.93, 293.69°)
OKLab	oklab(52.23% -0.0042 -0.179)
OKLCH	oklch(52.23% 0.179 268.7)
XYZ	xyz(17.2873, 13.4220, 60.6990)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DCF #CFB240

analogous

#40A5CF #405DCF #6A40CF

triadic

#405DCF #CF405D #5DCF40

tetradic

#405DCF #CF40A5 #CFB240 #40CF6A

square

#405DCF #CF40A5 #CFB240 #40CF6A

split-complementary

#405DCF #CF6A40 #A5CF40

monochromatic

#1E3077 #2A44A8 #405DCF #7186DB #A2B0E8

Accessibility & contrast

On white

5.70

#405DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#405DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DCF

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DCF	#FFFFFF	#000000	##FFFFFF
##405DCF	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD3

Deuteranopia (green-blind)

#0060CD

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405dcf;
/* rgb */ color: rgb(64, 93, 207);
/* oklch */ color: oklch(52.2% 0.179 268.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#405dcf",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 207
  },
  "hsl": {
    "h": 227.832,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.52225,
    "c": 0.1791,
    "h": 268.7
  },
  "luminance": 0.13424
}

Semantic roles & 50–950 ramp

primary

#405DCF

secondary

#D4C897

accent

#C345E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405DCF

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

Preview Lab → · Contrast checker → · Palette generator →