#406EC6#406EC6

#406EC6 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.1% C 0.146 H 262.0°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#406EC6
RGB	rgb(64, 110, 198)
HSL	hsl(219, 54%, 51%)
HSV	hsv(219, 68%, 78%)
CMYK	cmyk(67.7%, 44.4%, 0%, 22.4%)
CIE-LAB	lab(47.39, 13.27, -50.59)
CIE-LCH	lch(47.39, 52.30, 284.69°)
OKLab	oklab(55.08% -0.0204 -0.1446)
OKLCH	oklch(55.08% 0.146 262)
XYZ	xyz(17.8797, 16.3173, 55.6224)
Luminance	0.1632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EC6 #C69840

analogous

#40B1C6 #406EC6 #5540C6

triadic

#406EC6 #C6406E #6EC640

tetradic

#406EC6 #C640B1 #C69840 #40C655

square

#406EC6 #C640B1 #C69840 #40C655

split-complementary

#406EC6 #C65540 #B1C640

monochromatic

#203A6C #2E539B #406EC6 #6F92D4 #9EB6E2

Accessibility & contrast

On white

4.93

#406EC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#406EC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EC6

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EC6	#FFFFFF	#000000	##FFFFFF
##406EC6	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4377C9

Deuteranopia (green-blind)

#2B6BC4

Tritanopia (blue-blind)

#008290

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406ec6;
/* rgb */ color: rgb(64, 110, 198);
/* oklch */ color: oklch(55.1% 0.146 262.0);

Tailwind

colors: {
  custom: {
    50: '#8397d8',
    500: '#406ec6',
    950: '#000000',
  },
}

SCSS

$custom: #406ec6;
$custom-light: #8397d8;
$custom-dark: #000000;

JSON

{
  "hex": "#406ec6",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 198
  },
  "hsl": {
    "h": 219.403,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55077,
    "c": 0.14606,
    "h": 262
  },
  "luminance": 0.16319
}

Semantic roles & 50–950 ramp

primary

#406EC6

secondary

#CEBA93

accent

#AB4ADD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406EC6

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

Preview Lab → · Contrast checker → · Palette generator →