#406DCC#406DCC

#406DCC is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.3% C 0.155 H 263.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#406DCC
RGB	rgb(64, 109, 204)
HSL	hsl(221, 58%, 53%)
HSV	hsv(221, 69%, 80%)
CMYK	cmyk(68.6%, 46.6%, 0%, 20%)
CIE-LAB	lab(47.48, 16.05, -53.89)
CIE-LCH	lch(47.48, 56.23, 286.59°)
OKLab	oklab(55.26% -0.0184 -0.1543)
OKLCH	oklch(55.26% 0.155 263.2)
XYZ	xyz(18.4782, 16.3850, 59.3038)
Luminance	0.1639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DCC #CC9F40

analogous

#40B3CC #406DCC #5940CC

triadic

#406DCC #CC406D #6DCC40

tetradic

#406DCC #CC40B3 #CC9F40 #40CC59

square

#406DCC #CC40B3 #CC9F40 #40CC59

split-complementary

#406DCC #CC5940 #B3CC40

monochromatic

#1F3A73 #2C52A3 #406DCC #7092D9 #A1B7E6

Accessibility & contrast

On white

4.91

#406DCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#406DCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DCC

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DCC	#FFFFFF	#000000	##FFFFFF
##406DCC	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)

#3C77D0

Deuteranopia (green-blind)

#1E6BCA

Tritanopia (blue-blind)

#008392

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406dcc;
/* rgb */ color: rgb(64, 109, 204);
/* oklch */ color: oklch(55.3% 0.155 263.2);

Tailwind

colors: {
  custom: {
    50: '#8496dc',
    500: '#406dcc',
    950: '#000000',
  },
}

SCSS

$custom: #406dcc;
$custom-light: #8496dc;
$custom-dark: #000000;

JSON

{
  "hex": "#406dcc",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 204
  },
  "hsl": {
    "h": 220.714,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.55262,
    "c": 0.15545,
    "h": 263.2
  },
  "luminance": 0.16387
}

Semantic roles & 50–950 ramp

primary

#406DCC

secondary

#D2BF95

accent

#AF47E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406DCC

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

Preview Lab → · Contrast checker → · Palette generator →