#405DBD#405DBD

#405DBD is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.9% C 0.154 H 267.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#405DBD
RGB	rgb(64, 93, 189)
HSL	hsl(226, 49%, 50%)
HSV	hsv(226, 66%, 74%)
CMYK	cmyk(66.1%, 50.8%, 0%, 25.9%)
CIE-LAB	lab(42.14, 20.85, -53.81)
CIE-LCH	lch(42.14, 57.71, 291.18°)
OKLab	oklab(50.88% -0.0056 -0.1544)
OKLCH	oklch(50.88% 0.154 267.9)
XYZ	xyz(15.2109, 12.5914, 49.7630)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DBD #BDA040

analogous

#409CBD #405DBD #6240BD

triadic

#405DBD #BD405D #5DBD40

tetradic

#405DBD #BD409C #BDA040 #40BD62

square

#405DBD #BD409C #BDA040 #40BD62

split-complementary

#405DBD #BD6240 #9CBD40

monochromatic

#213062 #31478F #405DBD #6D83CD #9AAADD

Accessibility & contrast

On white

5.97

#405DBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#405DBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DBD

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DBD	#FFFFFF	#000000	##FFFFFF
##405DBD	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2569C0

Deuteranopia (green-blind)

#005EBB

Tritanopia (blue-blind)

#007384

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405dbd;
/* rgb */ color: rgb(64, 93, 189);
/* oklch */ color: oklch(50.9% 0.154 267.9);

Tailwind

colors: {
  custom: {
    50: '#828ad1',
    500: '#405dbd',
    950: '#000000',
  },
}

SCSS

$custom: #405dbd;
$custom-light: #828ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#405dbd",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 189
  },
  "hsl": {
    "h": 226.08,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50883,
    "c": 0.15447,
    "h": 267.9
  },
  "luminance": 0.12593
}

Semantic roles & 50–950 ramp

primary

#405DBD

secondary

#C9BC90

accent

#B94FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #405DBD

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

Preview Lab → · Contrast checker → · Palette generator →