#405DBB#405DBB

#405DBB is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.7% C 0.152 H 267.8°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#405DBB
RGB	rgb(64, 93, 187)
HSL	hsl(226, 49%, 49%)
HSV	hsv(226, 66%, 73%)
CMYK	cmyk(65.8%, 50.3%, 0%, 26.7%)
CIE-LAB	lab(42.01, 20.14, -52.86)
CIE-LCH	lch(42.01, 56.57, 290.86°)
OKLab	oklab(50.74% -0.0058 -0.1516)
OKLCH	oklch(50.74% 0.152 267.8)
XYZ	xyz(14.9953, 12.5052, 48.6276)
Luminance	0.1251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DBB #BB9E40

analogous

#409BBB #405DBB #6140BB

triadic

#405DBB #BB405D #5DBB40

tetradic

#405DBB #BB409B #BB9E40 #40BB61

square

#405DBB #BB409B #BB9E40 #40BB61

split-complementary

#405DBB #BB6140 #9BBB40

monochromatic

#213060 #30468D #405DBB #6C82CD #99A9DC

Accessibility & contrast

On white

6.00

#405DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#405DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DBB

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DBB	#FFFFFF	#000000	##FFFFFF
##405DBB	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2869BE

Deuteranopia (green-blind)

#005EB9

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405dbb;
/* rgb */ color: rgb(64, 93, 187);
/* oklch */ color: oklch(50.7% 0.152 267.8);

Tailwind

colors: {
  custom: {
    50: '#828ad0',
    500: '#405dbb',
    950: '#000000',
  },
}

SCSS

$custom: #405dbb;
$custom-light: #828ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#405dbb",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 187
  },
  "hsl": {
    "h": 225.854,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5074,
    "c": 0.15168,
    "h": 267.8
  },
  "luminance": 0.12507
}

Semantic roles & 50–950 ramp

primary

#405DBB

secondary

#C8BB8F

accent

#B84FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #405DBB

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

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