#409FB3#409FB3

#409FB3 is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.5% C 0.093 H 214.0°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#409FB3
RGB	rgb(64, 159, 179)
HSL	hsl(190, 47%, 48%)
HSV	hsv(190, 64%, 70%)
CMYK	cmyk(64.2%, 11.2%, 0%, 29.8%)
CIE-LAB	lab(60.90, -21.51, -18.63)
CIE-LCH	lch(60.90, 28.46, 220.90°)
OKLab	oklab(65.45% -0.0767 -0.0518)
OKLCH	oklch(65.45% 0.093 214)
XYZ	xyz(22.6458, 29.1385, 47.0699)
Luminance	0.2914 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409FB3 #B35440

analogous

#40B38E #409FB3 #4065B3

triadic

#409FB3 #B3409F #9FB340

tetradic

#409FB3 #8E40B3 #B35440 #65B340

square

#409FB3 #8E40B3 #B35440 #65B340

split-complementary

#409FB3 #B34065 #B38E40

monochromatic

#204F59 #307786 #409FB3 #67B8C9 #94CDD9

Accessibility & contrast

On white

3.08

#409FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#409FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409FB3

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409FB3	#FFFFFF	#000000	##000000
##409FB3	1.00	3.08	6.83	6.83
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909AB4

Deuteranopia (green-blind)

#808EB3

Tritanopia (blue-blind)

#00A7A5

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #409fb3;
/* rgb */ color: rgb(64, 159, 179);
/* oklch */ color: oklch(65.5% 0.093 214.0);

Tailwind

colors: {
  custom: {
    50: '#82bbc9',
    500: '#409fb3',
    950: '#000000',
  },
}

SCSS

$custom: #409fb3;
$custom-light: #82bbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#409fb3",
  "rgb": {
    "r": 64,
    "g": 159,
    "b": 179
  },
  "hsl": {
    "h": 190.435,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.6545,
    "c": 0.09253,
    "h": 214
  },
  "luminance": 0.29141
}

Semantic roles & 50–950 ramp

primary

#409FB3

secondary

#C4948A

accent

#6851D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #409FB3

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

Preview Lab → · Contrast checker → · Palette generator →