#406FD1#406FD1

#406FD1 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.0% C 0.160 H 263.0°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#406FD1
RGB	rgb(64, 111, 209)
HSL	hsl(221, 61%, 54%)
HSV	hsv(221, 69%, 82%)
CMYK	cmyk(69.4%, 46.9%, 0%, 18%)
CIE-LAB	lab(48.34, 16.59, -55.37)
CIE-LCH	lch(48.34, 57.80, 286.68°)
OKLab	oklab(56.02% -0.0195 -0.1587)
OKLCH	oklch(56.02% 0.16 263)
XYZ	xyz(19.3033, 17.0603, 62.5849)
Luminance	0.1706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FD1 #D1A240

analogous

#40B7D1 #406FD1 #5940D1

triadic

#406FD1 #D1406F #6FD140

tetradic

#406FD1 #D140B7 #D1A240 #40D159

square

#406FD1 #D140B7 #D1A240 #40D159

split-complementary

#406FD1 #D15940 #B7D140

monochromatic

#1D3B79 #2953AB #406FD1 #7194DD #A3B9E9

Accessibility & contrast

On white

4.76

#406FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#406FD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FD1

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FD1	#FFFFFF	#000000	##FFFFFF
##406FD1	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7AD5

Deuteranopia (green-blind)

#1A6DCF

Tritanopia (blue-blind)

#008696

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #406fd1;
/* rgb */ color: rgb(64, 111, 209);
/* oklch */ color: oklch(56.0% 0.160 263.0);

Tailwind

colors: {
  custom: {
    50: '#8597e0',
    500: '#406fd1',
    950: '#000000',
  },
}

SCSS

$custom: #406fd1;
$custom-light: #8597e0;
$custom-dark: #000000;

JSON

{
  "hex": "#406fd1",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 209
  },
  "hsl": {
    "h": 220.552,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.56021,
    "c": 0.15985,
    "h": 263
  },
  "luminance": 0.17062
}

Semantic roles & 50–950 ramp

primary

#406FD1

secondary

#D5C197

accent

#B044E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406FD1

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

Preview Lab → · Contrast checker → · Palette generator →