#409BC3#409BC3

#409BC3 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.2% C 0.104 H 230.3°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#409BC3
RGB	rgb(64, 155, 195)
HSL	hsl(198, 52%, 51%)
HSV	hsv(198, 67%, 76%)
CMYK	cmyk(67.2%, 20.5%, 0%, 23.5%)
CIE-LAB	lab(60.31, -14.30, -28.54)
CIE-LCH	lch(60.31, 31.92, 243.39°)
OKLab	oklab(65.18% -0.0663 -0.08)
OKLCH	oklch(65.18% 0.104 230.3)
XYZ	xyz(23.6821, 28.4703, 55.8664)
Luminance	0.2847 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409BC3 #C36840

analogous

#40C3AA #409BC3 #4059C3

triadic

#409BC3 #C3409B #9BC340

tetradic

#409BC3 #AA40C3 #C36840 #59C340

square

#409BC3 #AA40C3 #C36840 #59C340

split-complementary

#409BC3 #C34059 #C3AA40

monochromatic

#215268 #2F7797 #409BC3 #6FB3D2 #9DCCE0

Accessibility & contrast

On white

3.14

#409BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#409BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409BC3

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409BC3	#FFFFFF	#000000	##000000
##409BC3	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8799C5

Deuteranopia (green-blind)

#758CC2

Tritanopia (blue-blind)

#00A6A8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #409bc3;
/* rgb */ color: rgb(64, 155, 195);
/* oklch */ color: oklch(65.2% 0.104 230.3);

Tailwind

colors: {
  custom: {
    50: '#83b8d5',
    500: '#409bc3',
    950: '#000000',
  },
}

SCSS

$custom: #409bc3;
$custom-light: #83b8d5;
$custom-dark: #000000;

JSON

{
  "hex": "#409bc3",
  "rgb": {
    "r": 64,
    "g": 155,
    "b": 195
  },
  "hsl": {
    "h": 198.321,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.65177,
    "c": 0.10388,
    "h": 230.3
  },
  "luminance": 0.28473
}

Semantic roles & 50–950 ramp

primary

#409BC3

secondary

#CCA492

accent

#784CDC

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #409BC3

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

Preview Lab → · Contrast checker → · Palette generator →