#406CB7#406CB7

#406CB7 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.7% C 0.128 H 260.4°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#406CB7
RGB	rgb(64, 108, 183)
HSL	hsl(218, 48%, 48%)
HSV	hsv(218, 65%, 72%)
CMYK	cmyk(65%, 41%, 0%, 28.2%)
CIE-LAB	lab(45.95, 9.17, -44.22)
CIE-LCH	lch(45.95, 45.16, 281.71°)
OKLab	oklab(53.69% -0.0213 -0.1259)
OKLCH	oklch(53.69% 0.128 260.4)
XYZ	xyz(16.0211, 15.2325, 46.8864)
Luminance	0.1523 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CB7 #B78B40

analogous

#40A7B7 #406CB7 #4F40B7

triadic

#406CB7 #B7406C #6CB740

tetradic

#406CB7 #B740A7 #B78B40 #40B74F

square

#406CB7 #B740A7 #B78B40 #40B74F

split-complementary

#406CB7 #B74F40 #A7B740

monochromatic

#20365C #30518A #406CB7 #698DCB #97B0DB

Accessibility & contrast

On white

5.19

#406CB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#406CB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CB7

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CB7	#FFFFFF	#000000	##FFFFFF
##406CB7	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A73BA

Deuteranopia (green-blind)

#3868B5

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #406cb7;
/* rgb */ color: rgb(64, 108, 183);
/* oklch */ color: oklch(53.7% 0.128 260.4);

Tailwind

colors: {
  custom: {
    50: '#8195cd',
    500: '#406cb7',
    950: '#000000',
  },
}

SCSS

$custom: #406cb7;
$custom-light: #8195cd;
$custom-dark: #000000;

JSON

{
  "hex": "#406cb7",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 183
  },
  "hsl": {
    "h": 217.815,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.53685,
    "c": 0.12774,
    "h": 260.4
  },
  "luminance": 0.15234
}

Semantic roles & 50–950 ramp

primary

#406CB7

secondary

#C6B18D

accent

#A650D8

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406CB7

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

Preview Lab → · Contrast checker → · Palette generator →