#406FC3#406FC3

#406FC3 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.1% C 0.141 H 261.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#406FC3
RGB	rgb(64, 111, 195)
HSL	hsl(218, 52%, 51%)
HSV	hsv(218, 67%, 76%)
CMYK	cmyk(67.2%, 43.1%, 0%, 23.5%)
CIE-LAB	lab(47.49, 11.57, -48.70)
CIE-LCH	lch(47.49, 50.05, 283.36°)
OKLab	oklab(55.1% -0.0219 -0.1391)
OKLCH	oklch(55.1% 0.141 261.1)
XYZ	xyz(17.6456, 16.3972, 53.8542)
Luminance	0.1640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FC3 #C39440

analogous

#40B0C3 #406FC3 #5240C3

triadic

#406FC3 #C3406F #6FC340

tetradic

#406FC3 #C340B0 #C39440 #40C352

square

#406FC3 #C340B0 #C39440 #40C352

split-complementary

#406FC3 #C35240 #B0C340

monochromatic

#213A68 #2F5497 #406FC3 #6F92D2 #9DB5E0

Accessibility & contrast

On white

4.91

#406FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#406FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FC3

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FC3	#FFFFFF	#000000	##FFFFFF
##406FC3	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4777C6

Deuteranopia (green-blind)

#316BC1

Tritanopia (blue-blind)

#00828F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406fc3;
/* rgb */ color: rgb(64, 111, 195);
/* oklch */ color: oklch(55.1% 0.141 261.1);

Tailwind

colors: {
  custom: {
    50: '#8397d6',
    500: '#406fc3',
    950: '#000000',
  },
}

SCSS

$custom: #406fc3;
$custom-light: #8397d6;
$custom-dark: #000000;

JSON

{
  "hex": "#406fc3",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 195
  },
  "hsl": {
    "h": 218.473,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55099,
    "c": 0.14077,
    "h": 261.1
  },
  "luminance": 0.16399
}

Semantic roles & 50–950 ramp

primary

#406FC3

secondary

#CCB892

accent

#A84CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406FC3

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

Preview Lab → · Contrast checker → · Palette generator →