#405CBD#405CBD

#405CBD is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.156 H 268.3°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#405CBD
RGB	rgb(64, 92, 189)
HSL	hsl(227, 49%, 50%)
HSV	hsv(227, 66%, 74%)
CMYK	cmyk(66.1%, 51.3%, 0%, 25.9%)
CIE-LAB	lab(41.87, 21.50, -54.25)
CIE-LCH	lch(41.87, 58.35, 291.62°)
OKLab	oklab(50.68% -0.0047 -0.1557)
OKLCH	oklch(50.68% 0.156 268.3)
XYZ	xyz(15.1237, 12.4170, 49.7340)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CBD #BDA140

analogous

#409BBD #405CBD #6340BD

triadic

#405CBD #BD405C #5CBD40

tetradic

#405CBD #BD409B #BDA140 #40BD63

square

#405CBD #BD409B #BDA140 #40BD63

split-complementary

#405CBD #BD6340 #9BBD40

monochromatic

#212F62 #31468F #405CBD #6D82CD #9AA9DD

Accessibility & contrast

On white

6.03

#405CBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#405CBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CBD

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CBD	#FFFFFF	#000000	##FFFFFF
##405CBD	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2269C0

Deuteranopia (green-blind)

#005DBB

Tritanopia (blue-blind)

#007384

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405cbd;
/* rgb */ color: rgb(64, 92, 189);
/* oklch */ color: oklch(50.7% 0.156 268.3);

Tailwind

colors: {
  custom: {
    50: '#8289d1',
    500: '#405cbd',
    950: '#000000',
  },
}

SCSS

$custom: #405cbd;
$custom-light: #8289d1;
$custom-dark: #000000;

JSON

{
  "hex": "#405cbd",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 189
  },
  "hsl": {
    "h": 226.56,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.50679,
    "c": 0.15573,
    "h": 268.3
  },
  "luminance": 0.12418
}

Semantic roles & 50–950 ramp

primary

#405CBD

secondary

#C9BC90

accent

#BA4FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #405CBD

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

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