#406BB8#406BB8

#406BB8 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.5% C 0.130 H 261.1°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#406BB8
RGB	rgb(64, 107, 184)
HSL	hsl(219, 48%, 49%)
HSV	hsv(219, 65%, 72%)
CMYK	cmyk(65.2%, 41.8%, 0%, 27.8%)
CIE-LAB	lab(45.72, 10.15, -45.16)
CIE-LCH	lch(45.72, 46.29, 282.67°)
OKLab	oklab(53.53% -0.0201 -0.1287)
OKLCH	oklch(53.53% 0.13 261.1)
XYZ	xyz(16.0207, 15.0645, 47.4016)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BB8 #B88D40

analogous

#40A7B8 #406BB8 #5140B8

triadic

#406BB8 #B8406B #6BB840

tetradic

#406BB8 #B840A7 #B88D40 #40B851

square

#406BB8 #B840A7 #B88D40 #40B851

split-complementary

#406BB8 #B85140 #A7B840

monochromatic

#20365D #30518B #406BB8 #6A8DCB #97B0DB

Accessibility & contrast

On white

5.23

#406BB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#406BB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BB8

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BB8	#FFFFFF	#000000	##FFFFFF
##406BB8	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4872BB

Deuteranopia (green-blind)

#3567B6

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #406bb8;
/* rgb */ color: rgb(64, 107, 184);
/* oklch */ color: oklch(53.5% 0.130 261.1);

Tailwind

colors: {
  custom: {
    50: '#8194ce',
    500: '#406bb8',
    950: '#000000',
  },
}

SCSS

$custom: #406bb8;
$custom-light: #8194ce;
$custom-dark: #000000;

JSON

{
  "hex": "#406bb8",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 184
  },
  "hsl": {
    "h": 218.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.53527,
    "c": 0.13029,
    "h": 261.1
  },
  "luminance": 0.15066
}

Semantic roles & 50–950 ramp

primary

#406BB8

secondary

#C7B28D

accent

#A750D8

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406BB8

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

Preview Lab → · Contrast checker → · Palette generator →