#409AB4#409AB4

#409AB4 is a light, moderate cyan. Relative luminance 0.275; OKLCH L 64.3% C 0.093 H 220.1°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#409AB4
RGB	rgb(64, 154, 180)
HSL	hsl(193, 48%, 48%)
HSV	hsv(193, 64%, 71%)
CMYK	cmyk(64.4%, 14.4%, 0%, 29.4%)
CIE-LAB	lab(59.43, -18.57, -21.45)
CIE-LCH	lch(59.43, 28.37, 229.11°)
OKLab	oklab(64.28% -0.0709 -0.0597)
OKLCH	oklch(64.28% 0.093 220.1)
XYZ	xyz(21.9048, 27.4942, 47.3237)
Luminance	0.2750 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409AB4 #B45A40

analogous

#40B494 #409AB4 #4060B4

triadic

#409AB4 #B4409A #9AB440

tetradic

#409AB4 #9440B4 #B45A40 #60B440

square

#409AB4 #9440B4 #B45A40 #60B440

split-complementary

#409AB4 #B44060 #B49440

monochromatic

#204D5A #307387 #409AB4 #68B3C9 #95CAD9

Accessibility & contrast

On white

3.23

#409AB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#409AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409AB4

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409AB4	#FFFFFF	#000000	##000000
##409AB4	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A96B5

Deuteranopia (green-blind)

#798AB4

Tritanopia (blue-blind)

#00A3A2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #409ab4;
/* rgb */ color: rgb(64, 154, 180);
/* oklch */ color: oklch(64.3% 0.093 220.1);

Tailwind

colors: {
  custom: {
    50: '#82b8ca',
    500: '#409ab4',
    950: '#000000',
  },
}

SCSS

$custom: #409ab4;
$custom-light: #82b8ca;
$custom-dark: #000000;

JSON

{
  "hex": "#409ab4",
  "rgb": {
    "r": 64,
    "g": 154,
    "b": 180
  },
  "hsl": {
    "h": 193.448,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.64279,
    "c": 0.09274,
    "h": 220.1
  },
  "luminance": 0.27496
}

Semantic roles & 50–950 ramp

primary

#409AB4

secondary

#C5988B

accent

#6F51D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409AB4

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

Preview Lab → · Contrast checker → · Palette generator →