#409CBB#409CBB

#409CBB is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.1% C 0.097 H 223.7°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#409CBB
RGB	rgb(64, 156, 187)
HSL	hsl(195, 49%, 49%)
HSV	hsv(195, 66%, 73%)
CMYK	cmyk(65.8%, 16.6%, 0%, 26.7%)
CIE-LAB	lab(60.30, -17.42, -24.07)
CIE-LCH	lch(60.30, 29.71, 234.10°)
OKLab	oklab(65.06% -0.0703 -0.0672)
OKLCH	oklch(65.06% 0.097 223.7)
XYZ	xyz(22.9688, 28.4523, 51.2854)
Luminance	0.2846 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409CBB #BB5F40

analogous

#40BB9D #409CBB #405FBB

triadic

#409CBB #BB409C #9CBB40

tetradic

#409CBB #9D40BB #BB5F40 #5FBB40

square

#409CBB #9D40BB #BB5F40 #5FBB40

split-complementary

#409CBB #BB405F #BB9D40

monochromatic

#215060 #30768D #409CBB #6CB4CD #99CBDC

Accessibility & contrast

On white

3.14

#409CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#409CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409CBB

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409CBB	#FFFFFF	#000000	##000000
##409CBB	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BD

Deuteranopia (green-blind)

#798CBB

Tritanopia (blue-blind)

#00A5A6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #409cbb;
/* rgb */ color: rgb(64, 156, 187);
/* oklch */ color: oklch(65.1% 0.097 223.7);

Tailwind

colors: {
  custom: {
    50: '#82b9cf',
    500: '#409cbb',
    950: '#000000',
  },
}

SCSS

$custom: #409cbb;
$custom-light: #82b9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#409cbb",
  "rgb": {
    "r": 64,
    "g": 156,
    "b": 187
  },
  "hsl": {
    "h": 195.122,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.6506,
    "c": 0.09727,
    "h": 223.7
  },
  "luminance": 0.28455
}

Semantic roles & 50–950 ramp

primary

#409CBB

secondary

#C89D8F

accent

#724FD9

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #409CBB

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

Preview Lab → · Contrast checker → · Palette generator →