#409DB0#409DB0

#409DB0 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.8% C 0.091 H 213.5°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#409DB0
RGB	rgb(64, 157, 176)
HSL	hsl(190, 47%, 47%)
HSV	hsv(190, 64%, 69%)
CMYK	cmyk(63.6%, 10.8%, 0%, 31%)
CIE-LAB	lab(60.19, -21.39, -18.02)
CIE-LCH	lch(60.19, 27.97, 220.11°)
OKLab	oklab(64.84% -0.0758 -0.0501)
OKLCH	oklch(64.84% 0.091 213.5)
XYZ	xyz(22.0046, 28.3362, 45.3756)
Luminance	0.2834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409DB0 #B05340

analogous

#40B08B #409DB0 #4065B0

triadic

#409DB0 #B0409D #9DB040

tetradic

#409DB0 #8B40B0 #B05340 #65B040

square

#409DB0 #8B40B0 #B05340 #65B040

split-complementary

#409DB0 #B04065 #B08B40

monochromatic

#1F4D56 #307583 #409DB0 #66B7C7 #93CCD8

Accessibility & contrast

On white

3.15

#409DB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#409DB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409DB0

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409DB0	#FFFFFF	#000000	##000000
##409DB0	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F98B1

Deuteranopia (green-blind)

#7E8CB0

Tritanopia (blue-blind)

#00A5A3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #409db0;
/* rgb */ color: rgb(64, 157, 176);
/* oklch */ color: oklch(64.8% 0.091 213.5);

Tailwind

colors: {
  custom: {
    50: '#81bac7',
    500: '#409db0',
    950: '#000000',
  },
}

SCSS

$custom: #409db0;
$custom-light: #81bac7;
$custom-dark: #000000;

JSON

{
  "hex": "#409db0",
  "rgb": {
    "r": 64,
    "g": 157,
    "b": 176
  },
  "hsl": {
    "h": 190.179,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.64842,
    "c": 0.09081,
    "h": 213.5
  },
  "luminance": 0.28339
}

Semantic roles & 50–950 ramp

primary

#409DB0

secondary

#C39389

accent

#6851D6

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409DB0

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

Preview Lab → · Contrast checker → · Palette generator →