#409DDF#409DDF

#409DDF is a light, vivid cyan. Relative luminance 0.305; OKLCH L 67.0% C 0.131 H 243.2°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#409DDF
RGB	rgb(64, 157, 223)
HSL	hsl(205, 71%, 56%)
HSV	hsv(205, 71%, 87%)
CMYK	cmyk(71.3%, 29.6%, 0%, 12.5%)
CIE-LAB	lab(62.11, -6.03, -41.36)
CIE-LCH	lch(62.11, 41.80, 261.71°)
OKLab	oklab(67% -0.059 -0.117)
OKLCH	oklch(67% 0.131 243.2)
XYZ	xyz(27.4855, 30.5286, 74.2418)
Luminance	0.3053 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409DDF #DF8240

analogous

#40DFD2 #409DDF #404EDF

triadic

#409DDF #DF409D #9DDF40

tetradic

#409DDF #D240DF #DF8240 #4EDF40

square

#409DDF #D240DF #DF8240 #4EDF40

split-complementary

#409DDF #DF404E #DFD240

monochromatic

#185C8D #207FC1 #409DDF #74B8E8 #A9D3F1

Accessibility & contrast

On white

2.96

#409DDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#409DDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #409DDF

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409DDF	#FFFFFF	#000000	##000000
##409DDF	1.00	2.96	7.11	7.11
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F9EE2

Deuteranopia (green-blind)

#698FDE

Tritanopia (blue-blind)

#00ADB4

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #409ddf;
/* rgb */ color: rgb(64, 157, 223);
/* oklch */ color: oklch(67.0% 0.131 243.2);

Tailwind

colors: {
  custom: {
    50: '#88b9e9',
    500: '#409ddf',
    950: '#000000',
  },
}

SCSS

$custom: #409ddf;
$custom-light: #88b9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#409ddf",
  "rgb": {
    "r": 64,
    "g": 157,
    "b": 223
  },
  "hsl": {
    "h": 204.906,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.67002,
    "c": 0.13104,
    "h": 243.2
  },
  "luminance": 0.30532
}

Semantic roles & 50–950 ramp

primary

#409DDF

secondary

#DEB89D

accent

#853AEE

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #409DDF

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

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