#406CCC#406CCC

#406CCC is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.1% C 0.157 H 263.6°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#406CCC
RGB	rgb(64, 108, 204)
HSL	hsl(221, 58%, 53%)
HSV	hsv(221, 69%, 80%)
CMYK	cmyk(68.6%, 47.1%, 0%, 20%)
CIE-LAB	lab(47.20, 16.68, -54.33)
CIE-LCH	lch(47.20, 56.84, 287.07°)
OKLab	oklab(55.05% -0.0175 -0.1557)
OKLCH	oklch(55.05% 0.157 263.6)
XYZ	xyz(18.3722, 16.1729, 59.2685)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CCC #CCA040

analogous

#40B2CC #406CCC #5A40CC

triadic

#406CCC #CC406C #6CCC40

tetradic

#406CCC #CC40B2 #CCA040 #40CC5A

square

#406CCC #CC40B2 #CCA040 #40CC5A

split-complementary

#406CCC #CC5A40 #B2CC40

monochromatic

#1F3973 #2C51A3 #406CCC #7091D9 #A1B6E6

Accessibility & contrast

On white

4.96

#406CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#406CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CCC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CCC	#FFFFFF	#000000	##FFFFFF
##406CCC	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A77D0

Deuteranopia (green-blind)

#1A6ACA

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406ccc;
/* rgb */ color: rgb(64, 108, 204);
/* oklch */ color: oklch(55.1% 0.157 263.6);

Tailwind

colors: {
  custom: {
    50: '#8495dc',
    500: '#406ccc',
    950: '#000000',
  },
}

SCSS

$custom: #406ccc;
$custom-light: #8495dc;
$custom-dark: #000000;

JSON

{
  "hex": "#406ccc",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 204
  },
  "hsl": {
    "h": 221.143,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.55051,
    "c": 0.15665,
    "h": 263.6
  },
  "luminance": 0.16175
}

Semantic roles & 50–950 ramp

primary

#406CCC

secondary

#D2BF95

accent

#B147E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406CCC

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

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