#409CB1#409CB1

#409CB1 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.6% C 0.091 H 215.4°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#409CB1
RGB	rgb(64, 156, 177)
HSL	hsl(191, 47%, 47%)
HSV	hsv(191, 64%, 69%)
CMYK	cmyk(63.8%, 11.9%, 0%, 30.6%)
CIE-LAB	lab(59.92, -20.56, -19.00)
CIE-LCH	lch(59.92, 27.99, 222.73°)
OKLab	oklab(64.64% -0.0743 -0.0528)
OKLCH	oklch(64.64% 0.091 215.4)
XYZ	xyz(21.9354, 28.0389, 45.8425)
Luminance	0.2804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409CB1 #B15540

analogous

#40B18D #409CB1 #4064B1

triadic

#409CB1 #B1409C #9CB140

tetradic

#409CB1 #8D40B1 #B15540 #64B140

square

#409CB1 #8D40B1 #B15540 #64B140

split-complementary

#409CB1 #B14064 #B18D40

monochromatic

#1F4D57 #307484 #409CB1 #66B6C8 #93CBD8

Accessibility & contrast

On white

3.18

#409CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#409CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409CB1

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409CB1	#FFFFFF	#000000	##000000
##409CB1	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D97B2

Deuteranopia (green-blind)

#7D8BB1

Tritanopia (blue-blind)

#00A4A2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #409cb1;
/* rgb */ color: rgb(64, 156, 177);
/* oklch */ color: oklch(64.6% 0.091 215.4);

Tailwind

colors: {
  custom: {
    50: '#81b9c8',
    500: '#409cb1',
    950: '#000000',
  },
}

SCSS

$custom: #409cb1;
$custom-light: #81b9c8;
$custom-dark: #000000;

JSON

{
  "hex": "#409cb1",
  "rgb": {
    "r": 64,
    "g": 156,
    "b": 177
  },
  "hsl": {
    "h": 191.15,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.64639,
    "c": 0.09114,
    "h": 215.4
  },
  "luminance": 0.28041
}

Semantic roles & 50–950 ramp

primary

#409CB1

secondary

#C39489

accent

#6A51D7

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #409CB1

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

Preview Lab → · Contrast checker → · Palette generator →