#406DD9#406DD9

#406DD9 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.2% C 0.173 H 264.5°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#406DD9
RGB	rgb(64, 109, 217)
HSL	hsl(222, 67%, 55%)
HSV	hsv(222, 71%, 85%)
CMYK	cmyk(70.5%, 49.8%, 0%, 14.9%)
CIE-LAB	lab(48.30, 20.73, -59.97)
CIE-LCH	lch(48.30, 63.45, 289.07°)
OKLab	oklab(56.16% -0.0167 -0.1722)
OKLCH	oklch(56.16% 0.173 264.5)
XYZ	xyz(20.1030, 17.0349, 67.8608)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DD9 #D9AC40

analogous

#40B9D9 #406DD9 #6040D9

triadic

#406DD9 #D9406D #6DD940

tetradic

#406DD9 #D940B9 #D9AC40 #40D960

square

#406DD9 #D940B9 #D9AC40 #40D960

split-complementary

#406DD9 #D96040 #B9D940

monochromatic

#1A3984 #2450B7 #406DD9 #7394E3 #A6BBED

Accessibility & contrast

On white

4.76

#406DD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#406DD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DD9

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DD9	#FFFFFF	#000000	##FFFFFF
##406DD9	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D7ADD

Deuteranopia (green-blind)

#006CD7

Tritanopia (blue-blind)

#008799

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #406dd9;
/* rgb */ color: rgb(64, 109, 217);
/* oklch */ color: oklch(56.2% 0.173 264.5);

Tailwind

colors: {
  custom: {
    50: '#8796e5',
    500: '#406dd9',
    950: '#000000',
  },
}

SCSS

$custom: #406dd9;
$custom-light: #8796e5;
$custom-dark: #000000;

JSON

{
  "hex": "#406dd9",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 217
  },
  "hsl": {
    "h": 222.353,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.56161,
    "c": 0.17305,
    "h": 264.5
  },
  "luminance": 0.17037
}

Semantic roles & 50–950 ramp

primary

#406DD9

secondary

#DAC89A

accent

#B73EEA

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406DD9

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

Preview Lab → · Contrast checker → · Palette generator →