#409BDC#409BDC

#409BDC is a light, vivid cyan. Relative luminance 0.297; OKLCH L 66.4% C 0.129 H 243.3°. Best body text is #000000 at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#409BDC
RGB	rgb(64, 155, 220)
HSL	hsl(205, 69%, 56%)
HSV	hsv(205, 71%, 86%)
CMYK	cmyk(70.9%, 29.5%, 0%, 13.7%)
CIE-LAB	lab(61.39, -5.92, -40.82)
CIE-LCH	lch(61.39, 41.25, 261.74°)
OKLab	oklab(66.39% -0.058 -0.1154)
OKLCH	oklch(66.39% 0.129 243.3)
XYZ	xyz(26.7490, 29.6970, 72.0186)
Luminance	0.2970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409BDC #DC8140

analogous

#40DCCF #409BDC #404DDC

triadic

#409BDC #DC409B #9BDC40

tetradic

#409BDC #CF40DC #DC8140 #4DDC40

square

#409BDC #CF40DC #DC8140 #4DDC40

split-complementary

#409BDC #DC404D #DCCF40

monochromatic

#195A89 #237CBC #409BDC #74B6E5 #A7D1EF

Accessibility & contrast

On white

3.03

#409BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.94

#409BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409BDC

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409BDC	#FFFFFF	#000000	##000000
##409BDC	1.00	3.03	6.94	6.94
#FFFFFF	3.03	1.00	21.00	21.00
#000000	6.94	21.00	1.00	1.00
##000000	6.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9CDF

Deuteranopia (green-blind)

#688EDB

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #409bdc;
/* rgb */ color: rgb(64, 155, 220);
/* oklch */ color: oklch(66.4% 0.129 243.3);

Tailwind

colors: {
  custom: {
    50: '#87b8e7',
    500: '#409bdc',
    950: '#000000',
  },
}

SCSS

$custom: #409bdc;
$custom-light: #87b8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#409bdc",
  "rgb": {
    "r": 64,
    "g": 155,
    "b": 220
  },
  "hsl": {
    "h": 205,
    "s": 69.027,
    "l": 55.686
  },
  "oklch": {
    "l": 0.66391,
    "c": 0.1292,
    "h": 243.3
  },
  "luminance": 0.297
}

Semantic roles & 50–950 ramp

primary

#409BDC

secondary

#DCB69B

accent

#853CEC

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #409BDC

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

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