#406CB5#406CB5

#406CB5 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.6% C 0.125 H 260.0°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#406CB5
RGB	rgb(64, 108, 181)
HSL	hsl(217, 48%, 48%)
HSV	hsv(217, 65%, 71%)
CMYK	cmyk(64.6%, 40.3%, 0%, 29%)
CIE-LAB	lab(45.84, 8.46, -43.23)
CIE-LCH	lch(45.84, 44.05, 281.07°)
OKLab	oklab(53.56% -0.0217 -0.1231)
OKLCH	oklch(53.56% 0.125 260)
XYZ	xyz(15.8144, 15.1498, 45.7979)
Luminance	0.1515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CB5 #B58940

analogous

#40A6B5 #406CB5 #4E40B5

triadic

#406CB5 #B5406C #6CB540

tetradic

#406CB5 #B540A6 #B58940 #40B54E

square

#406CB5 #B540A6 #B58940 #40B54E

split-complementary

#406CB5 #B54E40 #A6B540

monochromatic

#20365B #305188 #406CB5 #688DCA #96AFDA

Accessibility & contrast

On white

5.21

#406CB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#406CB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CB5

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CB5	#FFFFFF	#000000	##FFFFFF
##406CB5	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B72B8

Deuteranopia (green-blind)

#3A68B3

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #406cb5;
/* rgb */ color: rgb(64, 108, 181);
/* oklch */ color: oklch(53.6% 0.125 260.0);

Tailwind

colors: {
  custom: {
    50: '#8095cb',
    500: '#406cb5',
    950: '#000000',
  },
}

SCSS

$custom: #406cb5;
$custom-light: #8095cb;
$custom-dark: #000000;

JSON

{
  "hex": "#406cb5",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 181
  },
  "hsl": {
    "h": 217.436,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53562,
    "c": 0.12497,
    "h": 260
  },
  "luminance": 0.15151
}

Semantic roles & 50–950 ramp

primary

#406CB5

secondary

#C5B08B

accent

#A550D7

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406CB5

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

Preview Lab → · Contrast checker → · Palette generator →