#409CB3#409CB3

#409CB3 is a light, moderate cyan. Relative luminance 0.281; OKLCH L 64.7% C 0.092 H 217.1°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#409CB3
RGB	rgb(64, 156, 179)
HSL	hsl(192, 47%, 48%)
HSV	hsv(192, 64%, 70%)
CMYK	cmyk(64.2%, 12.8%, 0%, 29.8%)
CIE-LAB	lab(60.00, -19.94, -20.01)
CIE-LCH	lch(60.00, 28.25, 225.10°)
OKLab	oklab(64.72% -0.0735 -0.0557)
OKLCH	oklch(64.72% 0.092 217.1)
XYZ	xyz(22.1362, 28.1193, 46.9000)
Luminance	0.2812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409CB3 #B35740

analogous

#40B390 #409CB3 #4062B3

triadic

#409CB3 #B3409C #9CB340

tetradic

#409CB3 #9040B3 #B35740 #62B340

square

#409CB3 #9040B3 #B35740 #62B340

split-complementary

#409CB3 #B34062 #B39040

monochromatic

#204D59 #307586 #409CB3 #67B5C9 #94CBD9

Accessibility & contrast

On white

3.17

#409CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#409CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409CB3

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409CB3	#FFFFFF	#000000	##000000
##409CB3	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)

#8D98B4

Deuteranopia (green-blind)

#7C8BB3

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #409cb3;
/* rgb */ color: rgb(64, 156, 179);
/* oklch */ color: oklch(64.7% 0.092 217.1);

Tailwind

colors: {
  custom: {
    50: '#82b9c9',
    500: '#409cb3',
    950: '#000000',
  },
}

SCSS

$custom: #409cb3;
$custom-light: #82b9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#409cb3",
  "rgb": {
    "r": 64,
    "g": 156,
    "b": 179
  },
  "hsl": {
    "h": 192,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.64722,
    "c": 0.09219,
    "h": 217.1
  },
  "luminance": 0.28122
}

Semantic roles & 50–950 ramp

primary

#409CB3

secondary

#C4968A

accent

#6C51D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409CB3

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

Preview Lab → · Contrast checker → · Palette generator →