#409FB5#409FB5

#409FB5 is a light, moderate cyan. Relative luminance 0.292; OKLCH L 65.5% C 0.094 H 215.8°. Best body text is #000000 at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#409FB5
RGB	rgb(64, 159, 181)
HSL	hsl(191, 48%, 48%)
HSV	hsv(191, 65%, 71%)
CMYK	cmyk(64.6%, 12.2%, 0%, 29%)
CIE-LAB	lab(60.98, -20.89, -19.65)
CIE-LCH	lch(60.98, 28.68, 223.24°)
OKLab	oklab(65.53% -0.0759 -0.0546)
OKLCH	oklch(65.53% 0.094 215.8)
XYZ	xyz(22.8496, 29.2200, 48.1429)
Luminance	0.2922 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409FB5 #B55640

analogous

#40B590 #409FB5 #4064B5

triadic

#409FB5 #B5409F #9FB540

tetradic

#409FB5 #9040B5 #B55640 #64B540

square

#409FB5 #9040B5 #B55640 #64B540

split-complementary

#409FB5 #B54064 #B59040

monochromatic

#20505B #307788 #409FB5 #68B7CA #96CDDA

Accessibility & contrast

On white

3.07

#409FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.84

#409FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409FB5

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409FB5	#FFFFFF	#000000	##000000
##409FB5	1.00	3.07	6.84	6.84
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.84	21.00	1.00	1.00
##000000	6.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909AB6

Deuteranopia (green-blind)

#7F8EB5

Tritanopia (blue-blind)

#00A7A6

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #409fb5;
/* rgb */ color: rgb(64, 159, 181);
/* oklch */ color: oklch(65.5% 0.094 215.8);

Tailwind

colors: {
  custom: {
    50: '#82bbcb',
    500: '#409fb5',
    950: '#000000',
  },
}

SCSS

$custom: #409fb5;
$custom-light: #82bbcb;
$custom-dark: #000000;

JSON

{
  "hex": "#409fb5",
  "rgb": {
    "r": 64,
    "g": 159,
    "b": 181
  },
  "hsl": {
    "h": 191.282,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.65531,
    "c": 0.09351,
    "h": 215.8
  },
  "luminance": 0.29222
}

Semantic roles & 50–950 ramp

primary

#409FB5

secondary

#C5968B

accent

#6A50D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #409FB5

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

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