#405EBF#405EBF

#405EBF is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.2% C 0.156 H 267.7°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#405EBF
RGB	rgb(64, 94, 191)
HSL	hsl(226, 50%, 50%)
HSV	hsv(226, 66%, 75%)
CMYK	cmyk(66.5%, 50.8%, 0%, 25.1%)
CIE-LAB	lab(42.54, 20.93, -54.33)
CIE-LCH	lch(42.54, 58.22, 291.07°)
OKLab	oklab(51.23% -0.0063 -0.1559)
OKLCH	oklch(51.23% 0.156 267.7)
XYZ	xyz(15.5178, 12.8555, 50.9437)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EBF #BFA140

analogous

#409DBF #405EBF #6240BF

triadic

#405EBF #BF405E #5EBF40

tetradic

#405EBF #BF409D #BFA140 #40BF62

square

#405EBF #BF409D #BFA140 #40BF62

split-complementary

#405EBF #BF6240 #9DBF40

monochromatic

#213163 #314791 #405EBF #6E85CE #9CABDE

Accessibility & contrast

On white

5.88

#405EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#405EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EBF

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EBF	#FFFFFF	#000000	##FFFFFF
##405EBF	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)

#256AC2

Deuteranopia (green-blind)

#005FBD

Tritanopia (blue-blind)

#007585

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405ebf;
/* rgb */ color: rgb(64, 94, 191);
/* oklch */ color: oklch(51.2% 0.156 267.7);

Tailwind

colors: {
  custom: {
    50: '#838bd3',
    500: '#405ebf',
    950: '#000000',
  },
}

SCSS

$custom: #405ebf;
$custom-light: #838bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#405ebf",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 191
  },
  "hsl": {
    "h": 225.827,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.51232,
    "c": 0.15599,
    "h": 267.7
  },
  "luminance": 0.12857
}

Semantic roles & 50–950 ramp

primary

#405EBF

secondary

#CABC91

accent

#B94ED9

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405EBF

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

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