#406CD9#406CD9

#406CD9 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.0% C 0.174 H 264.8°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#406CD9
RGB	rgb(64, 108, 217)
HSL	hsl(223, 67%, 55%)
HSV	hsv(223, 71%, 85%)
CMYK	cmyk(70.5%, 50.2%, 0%, 14.9%)
CIE-LAB	lab(48.04, 21.36, -60.40)
CIE-LCH	lch(48.04, 64.07, 289.48°)
OKLab	oklab(55.96% -0.0158 -0.1735)
OKLCH	oklch(55.96% 0.174 264.8)
XYZ	xyz(19.9969, 16.8228, 67.8254)
Luminance	0.1683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CD9 #D9AD40

analogous

#40B9D9 #406CD9 #6040D9

triadic

#406CD9 #D9406C #6CD940

tetradic

#406CD9 #D940B9 #D9AD40 #40D960

square

#406CD9 #D940B9 #D9AD40 #40D960

split-complementary

#406CD9 #D96040 #B9D940

monochromatic

#1A3984 #244FB7 #406CD9 #7393E3 #A6BBED

Accessibility & contrast

On white

4.81

#406CD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#406CD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CD9

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CD9	#FFFFFF	#000000	##FFFFFF
##406CD9	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A79DD

Deuteranopia (green-blind)

#006BD7

Tritanopia (blue-blind)

#008698

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #406cd9;
/* rgb */ color: rgb(64, 108, 217);
/* oklch */ color: oklch(56.0% 0.174 264.8);

Tailwind

colors: {
  custom: {
    50: '#8795e5',
    500: '#406cd9',
    950: '#000000',
  },
}

SCSS

$custom: #406cd9;
$custom-light: #8795e5;
$custom-dark: #000000;

JSON

{
  "hex": "#406cd9",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 217
  },
  "hsl": {
    "h": 222.745,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.55957,
    "c": 0.17424,
    "h": 264.8
  },
  "luminance": 0.16825
}

Semantic roles & 50–950 ramp

primary

#406CD9

secondary

#DAC89A

accent

#B83EEA

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406CD9

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

Preview Lab → · Contrast checker → · Palette generator →