#406CB9#406CB9

#406CB9 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 53.8% C 0.131 H 260.8°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#406CB9
RGB	rgb(64, 108, 185)
HSL	hsl(218, 49%, 49%)
HSV	hsv(218, 65%, 73%)
CMYK	cmyk(65.4%, 41.6%, 0%, 27.5%)
CIE-LAB	lab(46.06, 9.88, -45.20)
CIE-LCH	lch(46.06, 46.26, 282.33°)
OKLab	oklab(53.81% -0.0209 -0.1288)
OKLCH	oklch(53.81% 0.131 260.8)
XYZ	xyz(16.2308, 15.3163, 47.9905)
Luminance	0.1532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CB9 #B98D40

analogous

#40A9B9 #406CB9 #5140B9

triadic

#406CB9 #B9406C #6CB940

tetradic

#406CB9 #B940A9 #B98D40 #40B951

square

#406CB9 #B940A9 #B98D40 #40B951

split-complementary

#406CB9 #B95140 #A9B940

monochromatic

#21375E #30518C #406CB9 #6B8ECC #98B1DB

Accessibility & contrast

On white

5.17

#406CB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#406CB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CB9

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CB9	#FFFFFF	#000000	##FFFFFF
##406CB9	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4973BC

Deuteranopia (green-blind)

#3668B7

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #406cb9;
/* rgb */ color: rgb(64, 108, 185);
/* oklch */ color: oklch(53.8% 0.131 260.8);

Tailwind

colors: {
  custom: {
    50: '#8195ce',
    500: '#406cb9',
    950: '#000000',
  },
}

SCSS

$custom: #406cb9;
$custom-light: #8195ce;
$custom-dark: #000000;

JSON

{
  "hex": "#406cb9",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 185
  },
  "hsl": {
    "h": 218.182,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5381,
    "c": 0.1305,
    "h": 260.8
  },
  "luminance": 0.15318
}

Semantic roles & 50–950 ramp

primary

#406CB9

secondary

#C7B28E

accent

#A750D8

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #406CB9

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

Preview Lab → · Contrast checker → · Palette generator →