#409BC9#409BC9

#409BC9 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.5% C 0.109 H 234.1°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#409BC9
RGB	rgb(64, 155, 201)
HSL	hsl(200, 56%, 52%)
HSV	hsv(200, 68%, 79%)
CMYK	cmyk(68.2%, 22.9%, 0%, 21.2%)
CIE-LAB	lab(60.56, -12.33, -31.53)
CIE-LCH	lch(60.56, 33.85, 248.64°)
OKLab	oklab(65.46% -0.0642 -0.0885)
OKLCH	oklch(65.46% 0.109 234.1)
XYZ	xyz(24.3742, 28.7471, 59.5112)
Luminance	0.2875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409BC9 #C96E40

analogous

#40C9B3 #409BC9 #4057C9

triadic

#409BC9 #C9409B #9BC940

tetradic

#409BC9 #B340C9 #C96E40 #57C940

square

#409BC9 #B340C9 #C96E40 #57C940

split-complementary

#409BC9 #C94057 #C9B340

monochromatic

#1F546F #2D799F #409BC9 #70B4D6 #9FCDE4

Accessibility & contrast

On white

3.11

#409BC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#409BC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409BC9

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409BC9	#FFFFFF	#000000	##000000
##409BC9	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859ACB

Deuteranopia (green-blind)

#728CC8

Tritanopia (blue-blind)

#00A7AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #409bc9;
/* rgb */ color: rgb(64, 155, 201);
/* oklch */ color: oklch(65.5% 0.109 234.1);

Tailwind

colors: {
  custom: {
    50: '#84b8d9',
    500: '#409bc9',
    950: '#000000',
  },
}

SCSS

$custom: #409bc9;
$custom-light: #84b8d9;
$custom-dark: #000000;

JSON

{
  "hex": "#409bc9",
  "rgb": {
    "r": 64,
    "g": 155,
    "b": 201
  },
  "hsl": {
    "h": 200.146,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.65455,
    "c": 0.10936,
    "h": 234.1
  },
  "luminance": 0.2875
}

Semantic roles & 50–950 ramp

primary

#409BC9

secondary

#D0A994

accent

#7B49DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #409BC9

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

Preview Lab → · Contrast checker → · Palette generator →