#406ECC#406ECC

#406ECC is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.5% C 0.154 H 262.8°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#406ECC
RGB	rgb(64, 110, 204)
HSL	hsl(220, 58%, 53%)
HSV	hsv(220, 69%, 80%)
CMYK	cmyk(68.6%, 46.1%, 0%, 20%)
CIE-LAB	lab(47.75, 15.42, -53.45)
CIE-LCH	lch(47.75, 55.63, 286.09°)
OKLab	oklab(55.47% -0.0194 -0.153)
OKLCH	oklch(55.47% 0.154 262.8)
XYZ	xyz(18.5855, 16.5996, 59.3396)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406ECC #CC9E40

analogous

#40B4CC #406ECC #5840CC

triadic

#406ECC #CC406E #6ECC40

tetradic

#406ECC #CC40B4 #CC9E40 #40CC58

square

#406ECC #CC40B4 #CC9E40 #40CC58

split-complementary

#406ECC #CC5840 #B4CC40

monochromatic

#1F3A73 #2C53A3 #406ECC #7093D9 #A1B7E6

Accessibility & contrast

On white

4.86

#406ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#406ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406ECC

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406ECC	#FFFFFF	#000000	##FFFFFF
##406ECC	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E78D0

Deuteranopia (green-blind)

#216BCA

Tritanopia (blue-blind)

#008493

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406ecc;
/* rgb */ color: rgb(64, 110, 204);
/* oklch */ color: oklch(55.5% 0.154 262.8);

Tailwind

colors: {
  custom: {
    50: '#8497dc',
    500: '#406ecc',
    950: '#000000',
  },
}

SCSS

$custom: #406ecc;
$custom-light: #8497dc;
$custom-dark: #000000;

JSON

{
  "hex": "#406ecc",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 204
  },
  "hsl": {
    "h": 220.286,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.55474,
    "c": 0.15426,
    "h": 262.8
  },
  "luminance": 0.16601
}

Semantic roles & 50–950 ramp

primary

#406ECC

secondary

#D2BE95

accent

#AE47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406ECC

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

Preview Lab → · Contrast checker → · Palette generator →