#409BBB#409BBB

#409BBB is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.8% C 0.097 H 224.7°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#409BBB
RGB	rgb(64, 155, 187)
HSL	hsl(196, 49%, 49%)
HSV	hsv(196, 66%, 73%)
CMYK	cmyk(65.8%, 17.1%, 0%, 26.7%)
CIE-LAB	lab(60.00, -16.89, -24.53)
CIE-LCH	lch(60.00, 29.78, 235.46°)
OKLab	oklab(64.82% -0.0693 -0.0685)
OKLCH	oklch(64.82% 0.097 224.7)
XYZ	xyz(22.8017, 28.1181, 51.2297)
Luminance	0.2812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409BBB #BB6040

analogous

#40BB9E #409BBB #405EBB

triadic

#409BBB #BB409B #9BBB40

tetradic

#409BBB #9E40BB #BB6040 #5EBB40

square

#409BBB #9E40BB #BB6040 #5EBB40

split-complementary

#409BBB #BB405E #BB9E40

monochromatic

#214F60 #30758D #409BBB #6CB3CD #99CBDC

Accessibility & contrast

On white

3.17

#409BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#409BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409BBB

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409BBB	#FFFFFF	#000000	##000000
##409BBB	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8998BD

Deuteranopia (green-blind)

#788BBB

Tritanopia (blue-blind)

#00A5A5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #409bbb;
/* rgb */ color: rgb(64, 155, 187);
/* oklch */ color: oklch(64.8% 0.097 224.7);

Tailwind

colors: {
  custom: {
    50: '#82b8cf',
    500: '#409bbb',
    950: '#000000',
  },
}

SCSS

$custom: #409bbb;
$custom-light: #82b8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#409bbb",
  "rgb": {
    "r": 64,
    "g": 155,
    "b": 187
  },
  "hsl": {
    "h": 195.61,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.6482,
    "c": 0.09743,
    "h": 224.7
  },
  "luminance": 0.28121
}

Semantic roles & 50–950 ramp

primary

#409BBB

secondary

#C89E8F

accent

#734FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #409BBB

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

Preview Lab → · Contrast checker → · Palette generator →