#405EBB#405EBB

#405EBB is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.9% C 0.150 H 267.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#405EBB
RGB	rgb(64, 94, 187)
HSL	hsl(225, 49%, 49%)
HSV	hsv(225, 66%, 73%)
CMYK	cmyk(65.8%, 49.7%, 0%, 26.7%)
CIE-LAB	lab(42.28, 19.50, -52.42)
CIE-LCH	lch(42.28, 55.93, 290.40°)
OKLab	oklab(50.95% -0.0068 -0.1503)
OKLCH	oklch(50.95% 0.15 267.4)
XYZ	xyz(15.0836, 12.6818, 48.6570)
Luminance	0.1268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EBB #BB9D40

analogous

#409CBB #405EBB #6040BB

triadic

#405EBB #BB405E #5EBB40

tetradic

#405EBB #BB409C #BB9D40 #40BB60

square

#405EBB #BB409C #BB9D40 #40BB60

split-complementary

#405EBB #BB6040 #9CBB40

monochromatic

#213060 #30478D #405EBB #6C83CD #99AADC

Accessibility & contrast

On white

5.94

#405EBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#405EBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EBB

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

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

#2B6ABE

Deuteranopia (green-blind)

#065FB9

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405ebb;
/* rgb */ color: rgb(64, 94, 187);
/* oklch */ color: oklch(50.9% 0.150 267.4);

Tailwind

colors: {
  custom: {
    50: '#828bd0',
    500: '#405ebb',
    950: '#000000',
  },
}

SCSS

$custom: #405ebb;
$custom-light: #828bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#405ebb",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 187
  },
  "hsl": {
    "h": 225.366,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.50946,
    "c": 0.15042,
    "h": 267.4
  },
  "luminance": 0.12683
}

Semantic roles & 50–950 ramp

primary

#405EBB

secondary

#C8BA8F

accent

#B74FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #405EBB

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

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