#408FD9#408FD9

#408FD9 is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.5% C 0.136 H 249.6°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#408FD9
RGB	rgb(64, 143, 217)
HSL	hsl(209, 67%, 55%)
HSV	hsv(209, 71%, 85%)
CMYK	cmyk(70.5%, 34.1%, 0%, 14.9%)
CIE-LAB	lab(57.79, -0.05, -44.82)
CIE-LCH	lch(57.79, 44.82, 269.94°)
OKLab	oklab(63.51% -0.0474 -0.1272)
OKLCH	oklch(63.51% 0.136 249.6)
XYZ	xyz(24.4565, 25.7420, 69.3120)
Luminance	0.2575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408FD9 #D98A40

analogous

#40D9D7 #408FD9 #4042D9

triadic

#408FD9 #D9408F #8FD940

tetradic

#408FD9 #D740D9 #D98A40 #42D940

square

#408FD9 #D740D9 #D98A40 #42D940

split-complementary

#408FD9 #D94042 #D9D740

monochromatic

#1A5184 #2470B7 #408FD9 #73ADE3 #A6CBED

Accessibility & contrast

On white

3.42

#408FD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#408FD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408FD9

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408FD9	#FFFFFF	#000000	##000000
##408FD9	1.00	3.42	6.15	6.15
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E93DC

Deuteranopia (green-blind)

#5884D8

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #408fd9;
/* rgb */ color: rgb(64, 143, 217);
/* oklch */ color: oklch(63.5% 0.136 249.6);

Tailwind

colors: {
  custom: {
    50: '#86afe5',
    500: '#408fd9',
    950: '#000000',
  },
}

SCSS

$custom: #408fd9;
$custom-light: #86afe5;
$custom-dark: #000000;

JSON

{
  "hex": "#408fd9",
  "rgb": {
    "r": 64,
    "g": 143,
    "b": 217
  },
  "hsl": {
    "h": 209.02,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63507,
    "c": 0.13579,
    "h": 249.6
  },
  "luminance": 0.25745
}

Semantic roles & 50–950 ramp

primary

#408FD9

secondary

#DAB99A

accent

#913EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #408FD9

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

Preview Lab → · Contrast checker → · Palette generator →