#406EC9#406EC9

#406EC9 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.3% C 0.150 H 262.4°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#406EC9
RGB	rgb(64, 110, 201)
HSL	hsl(220, 56%, 52%)
HSV	hsv(220, 68%, 79%)
CMYK	cmyk(68.2%, 45.3%, 0%, 21.2%)
CIE-LAB	lab(47.57, 14.34, -52.02)
CIE-LCH	lch(47.57, 53.96, 285.41°)
OKLab	oklab(55.27% -0.0198 -0.1488)
OKLCH	oklch(55.27% 0.15 262.4)
XYZ	xyz(18.2292, 16.4571, 57.4629)
Luminance	0.1646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EC9 #C99B40

analogous

#40B3C9 #406EC9 #5740C9

triadic

#406EC9 #C9406E #6EC940

tetradic

#406EC9 #C940B3 #C99B40 #40C957

square

#406EC9 #C940B3 #C99B40 #40C957

split-complementary

#406EC9 #C95740 #B3C940

monochromatic

#1F3A6F #2D539F #406EC9 #7092D6 #9FB6E4

Accessibility & contrast

On white

4.89

#406EC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#406EC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EC9

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EC9	#FFFFFF	#000000	##FFFFFF
##406EC9	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4178CC

Deuteranopia (green-blind)

#276BC7

Tritanopia (blue-blind)

#008392

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406ec9;
/* rgb */ color: rgb(64, 110, 201);
/* oklch */ color: oklch(55.3% 0.150 262.4);

Tailwind

colors: {
  custom: {
    50: '#8497da',
    500: '#406ec9',
    950: '#000000',
  },
}

SCSS

$custom: #406ec9;
$custom-light: #8497da;
$custom-dark: #000000;

JSON

{
  "hex": "#406ec9",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 201
  },
  "hsl": {
    "h": 219.854,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55274,
    "c": 0.15016,
    "h": 262.4
  },
  "luminance": 0.16459
}

Semantic roles & 50–950 ramp

primary

#406EC9

secondary

#D0BC94

accent

#AD49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406EC9

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

Preview Lab → · Contrast checker → · Palette generator →