#406CCF#406CCF

#406CCF is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.3% C 0.161 H 263.9°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#406CCF
RGB	rgb(64, 108, 207)
HSL	hsl(222, 60%, 53%)
HSV	hsv(222, 69%, 81%)
CMYK	cmyk(69.1%, 47.8%, 0%, 18.8%)
CIE-LAB	lab(47.39, 17.76, -55.75)
CIE-LCH	lch(47.39, 58.51, 287.67°)
OKLab	oklab(55.26% -0.0171 -0.1598)
OKLCH	oklch(55.26% 0.161 263.9)
XYZ	xyz(18.7354, 16.3182, 61.1817)
Luminance	0.1632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CCF #CFA340

analogous

#40B4CF #406CCF #5B40CF

triadic

#406CCF #CF406C #6CCF40

tetradic

#406CCF #CF40B4 #CFA340 #40CF5B

square

#406CCF #CF40B4 #CFA340 #40CF5B

split-complementary

#406CCF #CF5B40 #B4CF40

monochromatic

#1E3977 #2A51A8 #406CCF #7192DB #A2B7E8

Accessibility & contrast

On white

4.92

#406CCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#406CCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CCF

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CCF	#FFFFFF	#000000	##FFFFFF
##406CCF	1.00	4.92	4.26	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3777D3

Deuteranopia (green-blind)

#116ACD

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406ccf;
/* rgb */ color: rgb(64, 108, 207);
/* oklch */ color: oklch(55.3% 0.161 263.9);

Tailwind

colors: {
  custom: {
    50: '#8595de',
    500: '#406ccf',
    950: '#000000',
  },
}

SCSS

$custom: #406ccf;
$custom-light: #8595de;
$custom-dark: #000000;

JSON

{
  "hex": "#406ccf",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 207
  },
  "hsl": {
    "h": 221.538,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55256,
    "c": 0.16074,
    "h": 263.9
  },
  "luminance": 0.1632
}

Semantic roles & 50–950 ramp

primary

#406CCF

secondary

#D4C197

accent

#B245E3

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406CCF

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

Preview Lab → · Contrast checker → · Palette generator →