#405CA6#405CA6

#405CA6 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.1% C 0.123 H 266.4°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#405CA6
RGB	rgb(64, 92, 166)
HSL	hsl(224, 44%, 45%)
HSV	hsv(224, 61%, 65%)
CMYK	cmyk(61.4%, 44.6%, 0%, 34.9%)
CIE-LAB	lab(40.40, 13.31, -43.08)
CIE-LCH	lch(40.40, 45.09, 287.17°)
OKLab	oklab(49.09% -0.0078 -0.1228)
OKLCH	oklch(49.09% 0.123 266.4)
XYZ	xyz(12.8221, 11.4964, 37.6123)
Luminance	0.1150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CA6 #A68A40

analogous

#408FA6 #405CA6 #5740A6

triadic

#405CA6 #A6405C #5CA640

tetradic

#405CA6 #A6408F #A68A40 #40A657

square

#405CA6 #A6408F #A68A40 #40A657

split-complementary

#405CA6 #A65740 #8FA640

monochromatic

#1E2B4E #2F447A #405CA6 #617CC2 #8DA0D3

Accessibility & contrast

On white

6.36

#405CA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#405CA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CA6

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CA6	#FFFFFF	#000000	##FFFFFF
##405CA6	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A64A9

Deuteranopia (green-blind)

#2B5BA4

Tritanopia (blue-blind)

#006D79

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #405ca6;
/* rgb */ color: rgb(64, 92, 166);
/* oklch */ color: oklch(49.1% 0.123 266.4);

Tailwind

colors: {
  custom: {
    50: '#7e89c1',
    500: '#405ca6',
    950: '#000000',
  },
}

SCSS

$custom: #405ca6;
$custom-light: #7e89c1;
$custom-dark: #000000;

JSON

{
  "hex": "#405ca6",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 166
  },
  "hsl": {
    "h": 223.529,
    "s": 44.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49089,
    "c": 0.12308,
    "h": 266.4
  },
  "luminance": 0.11497
}

Semantic roles & 50–950 ramp

primary

#405CA6

secondary

#BEAE84

accent

#B154D4

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #405CA6

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

Preview Lab → · Contrast checker → · Palette generator →