#409AD3#409AD3

#409AD3 is a light, vivid cyan. Relative luminance 0.289; OKLCH L 65.7% C 0.120 H 240.1°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#409AD3
RGB	rgb(64, 154, 211)
HSL	hsl(203, 63%, 54%)
HSV	hsv(203, 70%, 83%)
CMYK	cmyk(69.7%, 27%, 0%, 17.3%)
CIE-LAB	lab(60.69, -8.42, -36.90)
CIE-LCH	lch(60.69, 37.85, 257.14°)
OKLab	oklab(65.71% -0.0598 -0.1041)
OKLCH	oklch(65.71% 0.12 240.1)
XYZ	xyz(25.4233, 28.9015, 65.8541)
Luminance	0.2890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409AD3 #D37940

analogous

#40D3C2 #409AD3 #4051D3

triadic

#409AD3 #D3409A #9AD340

tetradic

#409AD3 #C240D3 #D37940 #51D340

square

#409AD3 #C240D3 #D37940 #51D340

split-complementary

#409AD3 #D34051 #D3C240

monochromatic

#1D577C #287AAE #409AD3 #72B4DE #A3CFEA

Accessibility & contrast

On white

3.10

#409AD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#409AD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409AD3

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409AD3	#FFFFFF	#000000	##000000
##409AD3	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809AD6

Deuteranopia (green-blind)

#6B8CD2

Tritanopia (blue-blind)

#00A8AE

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #409ad3;
/* rgb */ color: rgb(64, 154, 211);
/* oklch */ color: oklch(65.7% 0.120 240.1);

Tailwind

colors: {
  custom: {
    50: '#86b7e0',
    500: '#409ad3',
    950: '#000000',
  },
}

SCSS

$custom: #409ad3;
$custom-light: #86b7e0;
$custom-dark: #000000;

JSON

{
  "hex": "#409ad3",
  "rgb": {
    "r": 64,
    "g": 154,
    "b": 211
  },
  "hsl": {
    "h": 203.265,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.65705,
    "c": 0.12006,
    "h": 240.1
  },
  "luminance": 0.28904
}

Semantic roles & 50–950 ramp

primary

#409AD3

secondary

#D7B098

accent

#8242E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #409AD3

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

Preview Lab → · Contrast checker → · Palette generator →