#406CB8#406CB8

#406CB8 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 53.7% C 0.129 H 260.6°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#406CB8
RGB	rgb(64, 108, 184)
HSL	hsl(218, 48%, 49%)
HSV	hsv(218, 65%, 72%)
CMYK	cmyk(65.2%, 41.3%, 0%, 27.8%)
CIE-LAB	lab(46.01, 9.52, -44.71)
CIE-LCH	lch(46.01, 45.71, 282.03°)
OKLab	oklab(53.75% -0.0211 -0.1274)
OKLCH	oklch(53.75% 0.129 260.6)
XYZ	xyz(16.1256, 15.2743, 47.4365)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CB8 #B88C40

analogous

#40A8B8 #406CB8 #5040B8

triadic

#406CB8 #B8406C #6CB840

tetradic

#406CB8 #B840A8 #B88C40 #40B850

square

#406CB8 #B840A8 #B88C40 #40B850

split-complementary

#406CB8 #B85040 #A8B840

monochromatic

#20375D #30518B #406CB8 #6A8ECB #97B0DB

Accessibility & contrast

On white

5.18

#406CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#406CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CB8

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CB8	#FFFFFF	#000000	##FFFFFF
##406CB8	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4973BB

Deuteranopia (green-blind)

#3768B6

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #406cb8;
/* rgb */ color: rgb(64, 108, 184);
/* oklch */ color: oklch(53.7% 0.129 260.6);

Tailwind

colors: {
  custom: {
    50: '#8195ce',
    500: '#406cb8',
    950: '#000000',
  },
}

SCSS

$custom: #406cb8;
$custom-light: #8195ce;
$custom-dark: #000000;

JSON

{
  "hex": "#406cb8",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 184
  },
  "hsl": {
    "h": 218,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.53748,
    "c": 0.12913,
    "h": 260.6
  },
  "luminance": 0.15276
}

Semantic roles & 50–950 ramp

primary

#406CB8

secondary

#C7B28D

accent

#A650D8

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406CB8

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

Preview Lab → · Contrast checker → · Palette generator →