#409ADF#409ADF

#409ADF is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.3% C 0.133 H 245.1°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#409ADF
RGB	rgb(64, 154, 223)
HSL	hsl(206, 71%, 56%)
HSV	hsv(206, 71%, 87%)
CMYK	cmyk(71.3%, 30.9%, 0%, 12.5%)
CIE-LAB	lab(61.24, -4.32, -42.72)
CIE-LCH	lch(61.24, 42.94, 264.22°)
OKLab	oklab(66.32% -0.0562 -0.121)
OKLCH	oklch(66.32% 0.133 245.1)
XYZ	xyz(26.9841, 29.5259, 74.0747)
Luminance	0.2953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409ADF #DF8540

analogous

#40DFD5 #409ADF #404BDF

triadic

#409ADF #DF409A #9ADF40

tetradic

#409ADF #D540DF #DF8540 #4BDF40

square

#409ADF #D540DF #DF8540 #4BDF40

split-complementary

#409ADF #DF404B #DFD540

monochromatic

#185A8D #207CC1 #409ADF #74B6E8 #A9D1F1

Accessibility & contrast

On white

3.04

#409ADF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#409ADF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #409ADF

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409ADF	#FFFFFF	#000000	##000000
##409ADF	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B9CE2

Deuteranopia (green-blind)

#648DDE

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #409adf;
/* rgb */ color: rgb(64, 154, 223);
/* oklch */ color: oklch(66.3% 0.133 245.1);

Tailwind

colors: {
  custom: {
    50: '#88b7e9',
    500: '#409adf',
    950: '#000000',
  },
}

SCSS

$custom: #409adf;
$custom-light: #88b7e9;
$custom-dark: #000000;

JSON

{
  "hex": "#409adf",
  "rgb": {
    "r": 64,
    "g": 154,
    "b": 223
  },
  "hsl": {
    "h": 206.038,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.66319,
    "c": 0.13339,
    "h": 245.1
  },
  "luminance": 0.29529
}

Semantic roles & 50–950 ramp

primary

#409ADF

secondary

#DEB99D

accent

#883AEE

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #409ADF

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

Preview Lab → · Contrast checker → · Palette generator →