#409AB3#409AB3

#409AB3 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.2% C 0.092 H 219.2°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#409AB3
RGB	rgb(64, 154, 179)
HSL	hsl(193, 47%, 48%)
HSV	hsv(193, 64%, 70%)
CMYK	cmyk(64.2%, 14%, 0%, 29.8%)
CIE-LAB	lab(59.39, -18.89, -20.94)
CIE-LCH	lch(59.39, 28.20, 227.95°)
OKLab	oklab(64.24% -0.0713 -0.0583)
OKLCH	oklch(64.24% 0.092 219.2)
XYZ	xyz(21.8033, 27.4536, 46.7891)
Luminance	0.2746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409AB3 #B35940

analogous

#40B392 #409AB3 #4061B3

triadic

#409AB3 #B3409A #9AB340

tetradic

#409AB3 #9240B3 #B35940 #61B340

square

#409AB3 #9240B3 #B35940 #61B340

split-complementary

#409AB3 #B34061 #B39240

monochromatic

#204C59 #307386 #409AB3 #67B4C9 #94CAD9

Accessibility & contrast

On white

3.24

#409AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#409AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409AB3

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409AB3	#FFFFFF	#000000	##000000
##409AB3	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A96B4

Deuteranopia (green-blind)

#7A8AB3

Tritanopia (blue-blind)

#00A2A2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #409ab3;
/* rgb */ color: rgb(64, 154, 179);
/* oklch */ color: oklch(64.2% 0.092 219.2);

Tailwind

colors: {
  custom: {
    50: '#81b8c9',
    500: '#409ab3',
    950: '#000000',
  },
}

SCSS

$custom: #409ab3;
$custom-light: #81b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#409ab3",
  "rgb": {
    "r": 64,
    "g": 154,
    "b": 179
  },
  "hsl": {
    "h": 193.043,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.64237,
    "c": 0.09213,
    "h": 219.2
  },
  "luminance": 0.27456
}

Semantic roles & 50–950 ramp

primary

#409AB3

secondary

#C4978A

accent

#6E51D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409AB3

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

Preview Lab → · Contrast checker → · Palette generator →