#406BB4#406BB4

#406BB4 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.3% C 0.125 H 260.3°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#406BB4
RGB	rgb(64, 107, 180)
HSL	hsl(218, 48%, 48%)
HSV	hsv(218, 64%, 71%)
CMYK	cmyk(64.4%, 40.6%, 0%, 29.4%)
CIE-LAB	lab(45.50, 8.73, -43.20)
CIE-LCH	lch(45.50, 44.07, 281.43°)
OKLab	oklab(53.28% -0.0209 -0.123)
OKLCH	oklch(53.28% 0.125 260.3)
XYZ	xyz(15.6074, 14.8992, 45.2245)
Luminance	0.1490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BB4 #B48940

analogous

#40A5B4 #406BB4 #4F40B4

triadic

#406BB4 #B4406B #6BB440

tetradic

#406BB4 #B440A5 #B48940 #40B44F

square

#406BB4 #B440A5 #B48940 #40B44F

split-complementary

#406BB4 #B44F40 #A5B440

monochromatic

#20355A #305087 #406BB4 #688CC9 #95AED9

Accessibility & contrast

On white

5.28

#406BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#406BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BB4

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BB4	#FFFFFF	#000000	##FFFFFF
##406BB4	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A72B7

Deuteranopia (green-blind)

#3967B2

Tritanopia (blue-blind)

#007C87

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #406bb4;
/* rgb */ color: rgb(64, 107, 180);
/* oklch */ color: oklch(53.3% 0.125 260.3);

Tailwind

colors: {
  custom: {
    50: '#8094cb',
    500: '#406bb4',
    950: '#000000',
  },
}

SCSS

$custom: #406bb4;
$custom-light: #8094cb;
$custom-dark: #000000;

JSON

{
  "hex": "#406bb4",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 180
  },
  "hsl": {
    "h": 217.759,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53278,
    "c": 0.12474,
    "h": 260.3
  },
  "luminance": 0.14901
}

Semantic roles & 50–950 ramp

primary

#406BB4

secondary

#C5AF8B

accent

#A551D7

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406BB4

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

Preview Lab → · Contrast checker → · Palette generator →