#409DD3#409DD3

#409DD3 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.4% C 0.118 H 237.9°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#409DD3
RGB	rgb(64, 157, 211)
HSL	hsl(202, 63%, 54%)
HSV	hsv(202, 70%, 83%)
CMYK	cmyk(69.7%, 25.6%, 0%, 17.3%)
CIE-LAB	lab(61.57, -10.10, -35.54)
CIE-LCH	lch(61.57, 36.94, 254.14°)
OKLab	oklab(66.4% -0.0628 -0.1001)
OKLCH	oklch(66.4% 0.118 237.9)
XYZ	xyz(25.9246, 29.9042, 66.0212)
Luminance	0.2991 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409DD3 #D37640

analogous

#40D3C0 #409DD3 #4054D3

triadic

#409DD3 #D3409D #9DD340

tetradic

#409DD3 #C040D3 #D37640 #54D340

square

#409DD3 #C040D3 #D37640 #54D340

split-complementary

#409DD3 #D34054 #D3C040

monochromatic

#1D597C #287DAE #409DD3 #72B7DE #A3D0EA

Accessibility & contrast

On white

3.01

#409DD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#409DD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409DD3

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409DD3	#FFFFFF	#000000	##000000
##409DD3	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849DD5

Deuteranopia (green-blind)

#708ED2

Tritanopia (blue-blind)

#00ABAF

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #409dd3;
/* rgb */ color: rgb(64, 157, 211);
/* oklch */ color: oklch(66.4% 0.118 237.9);

Tailwind

colors: {
  custom: {
    50: '#86b9e0',
    500: '#409dd3',
    950: '#000000',
  },
}

SCSS

$custom: #409dd3;
$custom-light: #86b9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#409dd3",
  "rgb": {
    "r": 64,
    "g": 157,
    "b": 211
  },
  "hsl": {
    "h": 202.041,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.66401,
    "c": 0.11816,
    "h": 237.9
  },
  "luminance": 0.29907
}

Semantic roles & 50–950 ramp

primary

#409DD3

secondary

#D7AF98

accent

#7E42E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #409DD3

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

Preview Lab → · Contrast checker → · Palette generator →