#406EC3#406EC3

#406EC3 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.9% C 0.142 H 261.5°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#406EC3
RGB	rgb(64, 110, 195)
HSL	hsl(219, 52%, 51%)
HSV	hsv(219, 67%, 76%)
CMYK	cmyk(67.2%, 43.6%, 0%, 23.5%)
CIE-LAB	lab(47.21, 12.19, -49.15)
CIE-LCH	lch(47.21, 50.64, 283.93°)
OKLab	oklab(54.88% -0.0209 -0.1404)
OKLCH	oklch(54.88% 0.142 261.5)
XYZ	xyz(17.5371, 16.1802, 53.8181)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EC3 #C39540

analogous

#40AFC3 #406EC3 #5340C3

triadic

#406EC3 #C3406E #6EC340

tetradic

#406EC3 #C340AF #C39540 #40C353

square

#406EC3 #C340AF #C39540 #40C353

split-complementary

#406EC3 #C35340 #AFC340

monochromatic

#213A68 #2F5497 #406EC3 #6F91D2 #9DB5E0

Accessibility & contrast

On white

4.96

#406EC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#406EC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EC3

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EC3	#FFFFFF	#000000	##FFFFFF
##406EC3	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4576C6

Deuteranopia (green-blind)

#2F6AC1

Tritanopia (blue-blind)

#00828F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406ec3;
/* rgb */ color: rgb(64, 110, 195);
/* oklch */ color: oklch(54.9% 0.142 261.5);

Tailwind

colors: {
  custom: {
    50: '#8397d6',
    500: '#406ec3',
    950: '#000000',
  },
}

SCSS

$custom: #406ec3;
$custom-light: #8397d6;
$custom-dark: #000000;

JSON

{
  "hex": "#406ec3",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 195
  },
  "hsl": {
    "h": 218.931,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.54882,
    "c": 0.14195,
    "h": 261.5
  },
  "luminance": 0.16182
}

Semantic roles & 50–950 ramp

primary

#406EC3

secondary

#CCB892

accent

#A94CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406EC3

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

Preview Lab → · Contrast checker → · Palette generator →