#409BB9#409BB9

#409BB9 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.7% C 0.096 H 223.1°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#409BB9
RGB	rgb(64, 155, 185)
HSL	hsl(195, 49%, 49%)
HSV	hsv(195, 65%, 73%)
CMYK	cmyk(65.4%, 16.2%, 0%, 27.5%)
CIE-LAB	lab(59.92, -17.52, -23.52)
CIE-LCH	lch(59.92, 29.33, 233.31°)
OKLab	oklab(64.73% -0.0701 -0.0656)
OKLCH	oklch(64.73% 0.096 223.1)
XYZ	xyz(22.5891, 28.0331, 50.1100)
Luminance	0.2803 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409BB9 #B95E40

analogous

#40B99B #409BB9 #405FB9

triadic

#409BB9 #B9409B #9BB940

tetradic

#409BB9 #9B40B9 #B95E40 #5FB940

square

#409BB9 #9B40B9 #B95E40 #5FB940

split-complementary

#409BB9 #B9405F #B99B40

monochromatic

#214F5E #30758C #409BB9 #6BB4CC #98CBDB

Accessibility & contrast

On white

3.18

#409BB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#409BB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409BB9

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409BB9	#FFFFFF	#000000	##000000
##409BB9	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A98BB

Deuteranopia (green-blind)

#798BB9

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #409bb9;
/* rgb */ color: rgb(64, 155, 185);
/* oklch */ color: oklch(64.7% 0.096 223.1);

Tailwind

colors: {
  custom: {
    50: '#82b8ce',
    500: '#409bb9',
    950: '#000000',
  },
}

SCSS

$custom: #409bb9;
$custom-light: #82b8ce;
$custom-dark: #000000;

JSON

{
  "hex": "#409bb9",
  "rgb": {
    "r": 64,
    "g": 155,
    "b": 185
  },
  "hsl": {
    "h": 194.876,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.64733,
    "c": 0.09598,
    "h": 223.1
  },
  "luminance": 0.28035
}

Semantic roles & 50–950 ramp

primary

#409BB9

secondary

#C79C8E

accent

#7150D8

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #409BB9

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

Preview Lab → · Contrast checker → · Palette generator →