#406ECF#406ECF

#406ECF is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.7% C 0.158 H 263.1°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#406ECF
RGB	rgb(64, 110, 207)
HSL	hsl(221, 60%, 53%)
HSV	hsv(221, 69%, 81%)
CMYK	cmyk(69.1%, 46.9%, 0%, 18.8%)
CIE-LAB	lab(47.94, 16.50, -54.87)
CIE-LCH	lch(47.94, 57.29, 286.74°)
OKLab	oklab(55.68% -0.0189 -0.1572)
OKLCH	oklch(55.68% 0.158 263.1)
XYZ	xyz(18.9488, 16.7449, 61.2529)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406ECF #CFA140

analogous

#40B6CF #406ECF #5940CF

triadic

#406ECF #CF406E #6ECF40

tetradic

#406ECF #CF40B6 #CFA140 #40CF59

square

#406ECF #CF40B6 #CFA140 #40CF59

split-complementary

#406ECF #CF5940 #B6CF40

monochromatic

#1E3A77 #2A53A8 #406ECF #7193DB #A2B8E8

Accessibility & contrast

On white

4.83

#406ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#406ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406ECF

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406ECF	#FFFFFF	#000000	##FFFFFF
##406ECF	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B79D3

Deuteranopia (green-blind)

#1B6CCD

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #406ecf;
/* rgb */ color: rgb(64, 110, 207);
/* oklch */ color: oklch(55.7% 0.158 263.1);

Tailwind

colors: {
  custom: {
    50: '#8597de',
    500: '#406ecf',
    950: '#000000',
  },
}

SCSS

$custom: #406ecf;
$custom-light: #8597de;
$custom-dark: #000000;

JSON

{
  "hex": "#406ecf",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 207
  },
  "hsl": {
    "h": 220.699,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55676,
    "c": 0.15834,
    "h": 263.1
  },
  "luminance": 0.16747
}

Semantic roles & 50–950 ramp

primary

#406ECF

secondary

#D4C097

accent

#B045E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406ECF

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

Preview Lab → · Contrast checker → · Palette generator →