#408FD3#408FD3

#408FD3 is a light, vivid cyan. Relative luminance 0.254; OKLCH L 63.2% C 0.129 H 247.5°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#408FD3
RGB	rgb(64, 143, 211)
HSL	hsl(208, 63%, 54%)
HSV	hsv(208, 70%, 83%)
CMYK	cmyk(69.7%, 32.2%, 0%, 17.3%)
CIE-LAB	lab(57.50, -2.13, -41.92)
CIE-LCH	lch(57.50, 41.98, 267.08°)
OKLab	oklab(63.18% -0.0491 -0.1188)
OKLCH	oklch(63.18% 0.129 247.5)
XYZ	xyz(23.6902, 25.4355, 65.2764)
Luminance	0.2544 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408FD3 #D38440

analogous

#40D3CE #408FD3 #4046D3

triadic

#408FD3 #D3408F #8FD340

tetradic

#408FD3 #CE40D3 #D38440 #46D340

square

#408FD3 #CE40D3 #D38440 #46D340

split-complementary

#408FD3 #D34046 #D3CE40

monochromatic

#1D507C #2870AE #408FD3 #72ACDE #A3C9EA

Accessibility & contrast

On white

3.45

#408FD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#408FD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408FD3

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408FD3	#FFFFFF	#000000	##000000
##408FD3	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7092D6

Deuteranopia (green-blind)

#5C84D2

Tritanopia (blue-blind)

#009FA7

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #408fd3;
/* rgb */ color: rgb(64, 143, 211);
/* oklch */ color: oklch(63.2% 0.129 247.5);

Tailwind

colors: {
  custom: {
    50: '#85afe1',
    500: '#408fd3',
    950: '#000000',
  },
}

SCSS

$custom: #408fd3;
$custom-light: #85afe1;
$custom-dark: #000000;

JSON

{
  "hex": "#408fd3",
  "rgb": {
    "r": 64,
    "g": 143,
    "b": 211
  },
  "hsl": {
    "h": 207.755,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.6318,
    "c": 0.12852,
    "h": 247.5
  },
  "luminance": 0.25438
}

Semantic roles & 50–950 ramp

primary

#408FD3

secondary

#D7B598

accent

#8E42E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #408FD3

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

Preview Lab → · Contrast checker → · Palette generator →