#406CCE#406CCE

#406CCE is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.2% C 0.159 H 263.8°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#406CCE
RGB	rgb(64, 108, 206)
HSL	hsl(221, 59%, 53%)
HSV	hsv(221, 69%, 81%)
CMYK	cmyk(68.9%, 47.6%, 0%, 19.2%)
CIE-LAB	lab(47.33, 17.40, -55.28)
CIE-LCH	lch(47.33, 57.95, 287.47°)
OKLab	oklab(55.19% -0.0172 -0.1584)
OKLCH	oklch(55.19% 0.159 263.8)
XYZ	xyz(18.6136, 16.2695, 60.5399)
Luminance	0.1627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CCE #CEA240

analogous

#40B3CE #406CCE #5B40CE

triadic

#406CCE #CE406C #6CCE40

tetradic

#406CCE #CE40B3 #CEA240 #40CE5B

square

#406CCE #CE40B3 #CEA240 #40CE5B

split-complementary

#406CCE #CE5B40 #B3CE40

monochromatic

#1E3975 #2B51A6 #406CCE #7191DA #A1B7E7

Accessibility & contrast

On white

4.94

#406CCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#406CCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CCE

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CCE	#FFFFFF	#000000	##FFFFFF
##406CCE	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3877D2

Deuteranopia (green-blind)

#146ACC

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406cce;
/* rgb */ color: rgb(64, 108, 206);
/* oklch */ color: oklch(55.2% 0.159 263.8);

Tailwind

colors: {
  custom: {
    50: '#8595dd',
    500: '#406cce',
    950: '#000000',
  },
}

SCSS

$custom: #406cce;
$custom-light: #8595dd;
$custom-dark: #000000;

JSON

{
  "hex": "#406cce",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 206
  },
  "hsl": {
    "h": 221.408,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.55188,
    "c": 0.15938,
    "h": 263.8
  },
  "luminance": 0.16271
}

Semantic roles & 50–950 ramp

primary

#406CCE

secondary

#D4C196

accent

#B245E2

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406CCE

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

Preview Lab → · Contrast checker → · Palette generator →