#409CD3#409CD3

#409CD3 is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.2% C 0.119 H 238.6°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#409CD3
RGB	rgb(64, 156, 211)
HSL	hsl(202, 63%, 54%)
HSV	hsv(202, 70%, 83%)
CMYK	cmyk(69.7%, 26.1%, 0%, 17.3%)
CIE-LAB	lab(61.28, -9.54, -35.99)
CIE-LCH	lch(61.28, 37.24, 255.15°)
OKLab	oklab(66.17% -0.0618 -0.1014)
OKLCH	oklch(66.17% 0.119 238.6)
XYZ	xyz(25.7561, 29.5672, 65.9650)
Luminance	0.2957 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409CD3 #D37740

analogous

#40D3C1 #409CD3 #4053D3

triadic

#409CD3 #D3409C #9CD340

tetradic

#409CD3 #C140D3 #D37740 #53D340

square

#409CD3 #C140D3 #D37740 #53D340

split-complementary

#409CD3 #D34053 #D3C140

monochromatic

#1D587C #287CAE #409CD3 #72B6DE #A3D0EA

Accessibility & contrast

On white

3.04

#409CD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#409CD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409CD3

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409CD3	#FFFFFF	#000000	##000000
##409CD3	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#829CD6

Deuteranopia (green-blind)

#6E8ED2

Tritanopia (blue-blind)

#00AAAF

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #409cd3;
/* rgb */ color: rgb(64, 156, 211);
/* oklch */ color: oklch(66.2% 0.119 238.6);

Tailwind

colors: {
  custom: {
    50: '#86b9e0',
    500: '#409cd3',
    950: '#000000',
  },
}

SCSS

$custom: #409cd3;
$custom-light: #86b9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#409cd3",
  "rgb": {
    "r": 64,
    "g": 156,
    "b": 211
  },
  "hsl": {
    "h": 202.449,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.66169,
    "c": 0.11877,
    "h": 238.6
  },
  "luminance": 0.2957
}

Semantic roles & 50–950 ramp

primary

#409CD3

secondary

#D7B098

accent

#7F42E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #409CD3

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

Preview Lab → · Contrast checker → · Palette generator →