#405DBF#405DBF

#405DBF is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.157 H 268.0°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#405DBF
RGB	rgb(64, 93, 191)
HSL	hsl(226, 50%, 50%)
HSV	hsv(226, 66%, 75%)
CMYK	cmyk(66.5%, 51.3%, 0%, 25.1%)
CIE-LAB	lab(42.28, 21.57, -54.76)
CIE-LCH	lch(42.28, 58.86, 291.50°)
OKLab	oklab(51.03% -0.0054 -0.1572)
OKLCH	oklch(51.03% 0.157 268)
XYZ	xyz(15.4294, 12.6788, 50.9142)
Luminance	0.1268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DBF #BFA240

analogous

#409DBF #405DBF #6240BF

triadic

#405DBF #BF405D #5DBF40

tetradic

#405DBF #BF409D #BFA240 #40BF62

square

#405DBF #BF409D #BFA240 #40BF62

split-complementary

#405DBF #BF6240 #9DBF40

monochromatic

#213063 #314791 #405DBF #6E84CE #9CABDE

Accessibility & contrast

On white

5.94

#405DBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#405DBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DBF

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DBF	#FFFFFF	#000000	##FFFFFF
##405DBF	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#226AC3

Deuteranopia (green-blind)

#005EBD

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405dbf;
/* rgb */ color: rgb(64, 93, 191);
/* oklch */ color: oklch(51.0% 0.157 268.0);

Tailwind

colors: {
  custom: {
    50: '#838ad3',
    500: '#405dbf',
    950: '#000000',
  },
}

SCSS

$custom: #405dbf;
$custom-light: #838ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#405dbf",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 191
  },
  "hsl": {
    "h": 226.299,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.51028,
    "c": 0.15725,
    "h": 268
  },
  "luminance": 0.1268
}

Semantic roles & 50–950 ramp

primary

#405DBF

secondary

#CABD91

accent

#BA4ED9

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405DBF

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

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