#409EDF#409EDF

#409EDF is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.2% C 0.130 H 242.6°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#409EDF
RGB	rgb(64, 158, 223)
HSL	hsl(205, 71%, 56%)
HSV	hsv(205, 71%, 87%)
CMYK	cmyk(71.3%, 29.1%, 0%, 12.5%)
CIE-LAB	lab(62.40, -6.59, -40.91)
CIE-LCH	lch(62.40, 41.44, 260.85°)
OKLab	oklab(67.23% -0.06 -0.1157)
OKLCH	oklch(67.23% 0.13 242.6)
XYZ	xyz(27.6554, 30.8683, 74.2984)
Luminance	0.3087 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#409EDF #DF8140

analogous

#40DFD0 #409EDF #404FDF

triadic

#409EDF #DF409E #9EDF40

tetradic

#409EDF #D040DF #DF8140 #4FDF40

square

#409EDF #D040DF #DF8140 #4FDF40

split-complementary

#409EDF #DF404F #DFD040

monochromatic

#185D8D #2080C1 #409EDF #74B9E8 #A9D3F1

Accessibility & contrast

On white

2.93

#409EDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#409EDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #409EDF

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##409EDF	#FFFFFF	#000000	##000000
##409EDF	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809FE2

Deuteranopia (green-blind)

#6A90DE

Tritanopia (blue-blind)

#00AEB5

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #409edf;
/* rgb */ color: rgb(64, 158, 223);
/* oklch */ color: oklch(67.2% 0.130 242.6);

Tailwind

colors: {
  custom: {
    50: '#88bae9',
    500: '#409edf',
    950: '#000000',
  },
}

SCSS

$custom: #409edf;
$custom-light: #88bae9;
$custom-dark: #000000;

JSON

{
  "hex": "#409edf",
  "rgb": {
    "r": 64,
    "g": 158,
    "b": 223
  },
  "hsl": {
    "h": 204.528,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.6723,
    "c": 0.13029,
    "h": 242.6
  },
  "luminance": 0.30871
}

Semantic roles & 50–950 ramp

primary

#409EDF

secondary

#DEB79D

accent

#833AEE

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #409EDF

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

Preview Lab → · Contrast checker → · Palette generator →