#409BB0#409BB0

#409BB0 is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.4% C 0.091 H 215.6°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#409BB0
RGB	rgb(64, 155, 176)
HSL	hsl(191, 47%, 47%)
HSV	hsv(191, 64%, 69%)
CMYK	cmyk(63.6%, 11.9%, 0%, 31%)
CIE-LAB	lab(59.58, -20.35, -18.95)
CIE-LCH	lch(59.58, 27.80, 222.96°)
OKLab	oklab(64.35% -0.0736 -0.0527)
OKLCH	oklch(64.35% 0.091 215.6)
XYZ	xyz(21.6690, 27.6650, 45.2638)
Luminance	0.2767 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409BB0 #B05540

analogous

#40B08D #409BB0 #4063B0

triadic

#409BB0 #B0409B #9BB040

tetradic

#409BB0 #8D40B0 #B05540 #63B040

square

#409BB0 #8D40B0 #B05540 #63B040

split-complementary

#409BB0 #B04063 #B08D40

monochromatic

#1F4C56 #307383 #409BB0 #66B5C7 #93CBD8

Accessibility & contrast

On white

3.21

#409BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#409BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409BB0

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409BB0	#FFFFFF	#000000	##000000
##409BB0	1.00	3.21	6.53	6.53
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C96B1

Deuteranopia (green-blind)

#7C8AB0

Tritanopia (blue-blind)

#00A3A1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #409bb0;
/* rgb */ color: rgb(64, 155, 176);
/* oklch */ color: oklch(64.4% 0.091 215.6);

Tailwind

colors: {
  custom: {
    50: '#81b8c7',
    500: '#409bb0',
    950: '#000000',
  },
}

SCSS

$custom: #409bb0;
$custom-light: #81b8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#409bb0",
  "rgb": {
    "r": 64,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 191.25,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.64355,
    "c": 0.09052,
    "h": 215.6
  },
  "luminance": 0.27667
}

Semantic roles & 50–950 ramp

primary

#409BB0

secondary

#C39489

accent

#6A51D6

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409BB0

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

Preview Lab → · Contrast checker → · Palette generator →