#409BB5#409BB5

#409BB5 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.6% C 0.093 H 219.9°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#409BB5
RGB	rgb(64, 155, 181)
HSL	hsl(193, 48%, 48%)
HSV	hsv(193, 65%, 71%)
CMYK	cmyk(64.6%, 14.4%, 0%, 29%)
CIE-LAB	lab(59.77, -18.79, -21.49)
CIE-LCH	lch(59.77, 28.55, 228.84°)
OKLab	oklab(64.56% -0.0716 -0.0599)
OKLCH	oklch(64.56% 0.093 219.9)
XYZ	xyz(22.1728, 27.8665, 47.9173)
Luminance	0.2787 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409BB5 #B55A40

analogous

#40B594 #409BB5 #4061B5

triadic

#409BB5 #B5409B #9BB540

tetradic

#409BB5 #9440B5 #B55A40 #61B540

square

#409BB5 #9440B5 #B55A40 #61B540

split-complementary

#409BB5 #B54061 #B59440

monochromatic

#204E5B #307488 #409BB5 #68B4CA #96CBDA

Accessibility & contrast

On white

3.19

#409BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#409BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409BB5

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409BB5	#FFFFFF	#000000	##000000
##409BB5	1.00	3.19	6.57	6.57
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B97B6

Deuteranopia (green-blind)

#7A8BB5

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #409bb5;
/* rgb */ color: rgb(64, 155, 181);
/* oklch */ color: oklch(64.6% 0.093 219.9);

Tailwind

colors: {
  custom: {
    50: '#82b8cb',
    500: '#409bb5',
    950: '#000000',
  },
}

SCSS

$custom: #409bb5;
$custom-light: #82b8cb;
$custom-dark: #000000;

JSON

{
  "hex": "#409bb5",
  "rgb": {
    "r": 64,
    "g": 155,
    "b": 181
  },
  "hsl": {
    "h": 193.333,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.64563,
    "c": 0.09334,
    "h": 219.9
  },
  "luminance": 0.27869
}

Semantic roles & 50–950 ramp

primary

#409BB5

secondary

#C5988B

accent

#6E50D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409BB5

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

Preview Lab → · Contrast checker → · Palette generator →