#406CB2#406CB2

#406CB2 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.4% C 0.121 H 259.3°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#406CB2
RGB	rgb(64, 108, 178)
HSL	hsl(217, 47%, 47%)
HSV	hsv(217, 64%, 70%)
CMYK	cmyk(64%, 39.3%, 0%, 30.2%)
CIE-LAB	lab(45.67, 7.40, -41.75)
CIE-LCH	lch(45.67, 42.40, 280.05°)
OKLab	oklab(53.38% -0.0224 -0.1187)
OKLCH	oklch(53.38% 0.121 259.3)
XYZ	xyz(15.5099, 15.0280, 44.1942)
Luminance	0.1503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CB2 #B28640

analogous

#40A5B2 #406CB2 #4D40B2

triadic

#406CB2 #B2406C #6CB240

tetradic

#406CB2 #B240A5 #B28640 #40B24D

square

#406CB2 #B240A5 #B28640 #40B24D

split-complementary

#406CB2 #B24D40 #A5B240

monochromatic

#203558 #305185 #406CB2 #678CC8 #94AED8

Accessibility & contrast

On white

5.24

#406CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#406CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CB2

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CB2	#FFFFFF	#000000	##FFFFFF
##406CB2	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D72B5

Deuteranopia (green-blind)

#3D67B1

Tritanopia (blue-blind)

#007C86

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #406cb2;
/* rgb */ color: rgb(64, 108, 178);
/* oklch */ color: oklch(53.4% 0.121 259.3);

Tailwind

colors: {
  custom: {
    50: '#8095c9',
    500: '#406cb2',
    950: '#000000',
  },
}

SCSS

$custom: #406cb2;
$custom-light: #8095c9;
$custom-dark: #000000;

JSON

{
  "hex": "#406cb2",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 178
  },
  "hsl": {
    "h": 216.842,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53379,
    "c": 0.12081,
    "h": 259.3
  },
  "luminance": 0.15029
}

Semantic roles & 50–950 ramp

primary

#406CB2

secondary

#C4AE8A

accent

#A351D7

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406CB2

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

Preview Lab → · Contrast checker → · Palette generator →