#409AB2#409AB2

#409AB2 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.2% C 0.092 H 218.4°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#409AB2
RGB	rgb(64, 154, 178)
HSL	hsl(193, 47%, 47%)
HSV	hsv(193, 64%, 70%)
CMYK	cmyk(64%, 13.5%, 0%, 30.2%)
CIE-LAB	lab(59.35, -19.20, -20.43)
CIE-LCH	lch(59.35, 28.04, 226.78°)
OKLab	oklab(64.2% -0.0717 -0.0568)
OKLCH	oklch(64.2% 0.092 218.4)
XYZ	xyz(21.7026, 27.4133, 46.2584)
Luminance	0.2742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409AB2 #B25840

analogous

#40B291 #409AB2 #4061B2

triadic

#409AB2 #B2409A #9AB240

tetradic

#409AB2 #9140B2 #B25840 #61B240

square

#409AB2 #9140B2 #B25840 #61B240

split-complementary

#409AB2 #B24061 #B29140

monochromatic

#204C58 #307385 #409AB2 #67B4C8 #94CAD8

Accessibility & contrast

On white

3.24

#409AB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#409AB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409AB2

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409AB2	#FFFFFF	#000000	##000000
##409AB2	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B96B3

Deuteranopia (green-blind)

#7A8AB2

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #409ab2;
/* rgb */ color: rgb(64, 154, 178);
/* oklch */ color: oklch(64.2% 0.092 218.4);

Tailwind

colors: {
  custom: {
    50: '#81b8c9',
    500: '#409ab2',
    950: '#000000',
  },
}

SCSS

$custom: #409ab2;
$custom-light: #81b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#409ab2",
  "rgb": {
    "r": 64,
    "g": 154,
    "b": 178
  },
  "hsl": {
    "h": 192.632,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.64195,
    "c": 0.09153,
    "h": 218.4
  },
  "luminance": 0.27416
}

Semantic roles & 50–950 ramp

primary

#409AB2

secondary

#C4968A

accent

#6D51D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409AB2

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

Preview Lab → · Contrast checker → · Palette generator →