#409BB2#409BB2

#409BB2 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.4% C 0.092 H 217.3°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#409BB2
RGB	rgb(64, 155, 178)
HSL	hsl(192, 47%, 47%)
HSV	hsv(192, 64%, 70%)
CMYK	cmyk(64%, 12.9%, 0%, 30.2%)
CIE-LAB	lab(59.66, -19.73, -19.97)
CIE-LCH	lch(59.66, 28.07, 225.34°)
OKLab	oklab(64.44% -0.0728 -0.0555)
OKLCH	oklch(64.44% 0.092 217.3)
XYZ	xyz(21.8683, 27.7447, 46.3136)
Luminance	0.2775 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409BB2 #B25740

analogous

#40B290 #409BB2 #4062B2

triadic

#409BB2 #B2409B #9BB240

tetradic

#409BB2 #9040B2 #B25740 #62B240

square

#409BB2 #9040B2 #B25740 #62B240

split-complementary

#409BB2 #B24062 #B29040

monochromatic

#204D58 #307485 #409BB2 #67B5C8 #94CBD8

Accessibility & contrast

On white

3.21

#409BB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#409BB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409BB2

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409BB2	#FFFFFF	#000000	##000000
##409BB2	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C97B3

Deuteranopia (green-blind)

#7B8AB2

Tritanopia (blue-blind)

#00A3A2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #409bb2;
/* rgb */ color: rgb(64, 155, 178);
/* oklch */ color: oklch(64.4% 0.092 217.3);

Tailwind

colors: {
  custom: {
    50: '#81b8c9',
    500: '#409bb2',
    950: '#000000',
  },
}

SCSS

$custom: #409bb2;
$custom-light: #81b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#409bb2",
  "rgb": {
    "r": 64,
    "g": 155,
    "b": 178
  },
  "hsl": {
    "h": 192.105,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.64438,
    "c": 0.09158,
    "h": 217.3
  },
  "luminance": 0.27747
}

Semantic roles & 50–950 ramp

primary

#409BB2

secondary

#C4968A

accent

#6C51D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409BB2

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

Preview Lab → · Contrast checker → · Palette generator →