#405EBE#405EBE

#405EBE is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.155 H 267.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#405EBE
RGB	rgb(64, 94, 190)
HSL	hsl(226, 50%, 50%)
HSV	hsv(226, 66%, 75%)
CMYK	cmyk(66.3%, 50.5%, 0%, 25.5%)
CIE-LAB	lab(42.48, 20.57, -53.85)
CIE-LCH	lch(42.48, 57.65, 290.90°)
OKLab	oklab(51.16% -0.0064 -0.1545)
OKLCH	oklch(51.16% 0.155 267.6)
XYZ	xyz(15.4081, 12.8117, 50.3661)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EBE #BEA040

analogous

#409DBE #405EBE #6140BE

triadic

#405EBE #BE405E #5EBE40

tetradic

#405EBE #BE409D #BEA040 #40BE61

square

#405EBE #BE409D #BEA040 #40BE61

split-complementary

#405EBE #BE6140 #9DBE40

monochromatic

#213162 #314790 #405EBE #6D84CE #9BABDD

Accessibility & contrast

On white

5.89

#405EBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#405EBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EBE

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EBE	#FFFFFF	#000000	##FFFFFF
##405EBE	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#276AC1

Deuteranopia (green-blind)

#005FBC

Tritanopia (blue-blind)

#007485

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405ebe;
/* rgb */ color: rgb(64, 94, 190);
/* oklch */ color: oklch(51.2% 0.155 267.6);

Tailwind

colors: {
  custom: {
    50: '#828bd2',
    500: '#405ebe',
    950: '#000000',
  },
}

SCSS

$custom: #405ebe;
$custom-light: #828bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#405ebe",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 190
  },
  "hsl": {
    "h": 225.714,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.5116,
    "c": 0.1546,
    "h": 267.6
  },
  "luminance": 0.12813
}

Semantic roles & 50–950 ramp

primary

#405EBE

secondary

#C9BC90

accent

#B84FD9

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405EBE

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

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