#408BD3#408BD3

#408BD3 is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.3% C 0.132 H 250.0°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#408BD3
RGB	rgb(64, 139, 211)
HSL	hsl(209, 63%, 54%)
HSV	hsv(209, 70%, 83%)
CMYK	cmyk(69.7%, 34.1%, 0%, 17.3%)
CIE-LAB	lab(56.34, 0.21, -43.74)
CIE-LCH	lch(56.34, 43.74, 270.27°)
OKLab	oklab(62.27% -0.0452 -0.1241)
OKLCH	oklch(62.27% 0.132 250)
XYZ	xyz(23.1004, 24.2559, 65.0798)
Luminance	0.2426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408BD3 #D38840

analogous

#40D3D2 #408BD3 #4042D3

triadic

#408BD3 #D3408B #8BD340

tetradic

#408BD3 #D240D3 #D38840 #42D340

square

#408BD3 #D240D3 #D38840 #42D340

split-complementary

#408BD3 #D34042 #D3D240

monochromatic

#1D4D7C #286CAE #408BD3 #72A9DE #A3C7EA

Accessibility & contrast

On white

3.59

#408BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#408BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BD3

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408BD3	#FFFFFF	#000000	##000000
##408BD3	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8FD6

Deuteranopia (green-blind)

#5681D2

Tritanopia (blue-blind)

#009CA5

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #408bd3;
/* rgb */ color: rgb(64, 139, 211);
/* oklch */ color: oklch(62.3% 0.132 250.0);

Tailwind

colors: {
  custom: {
    50: '#85ace1',
    500: '#408bd3',
    950: '#000000',
  },
}

SCSS

$custom: #408bd3;
$custom-light: #85ace1;
$custom-dark: #000000;

JSON

{
  "hex": "#408bd3",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 211
  },
  "hsl": {
    "h": 209.388,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.62273,
    "c": 0.13212,
    "h": 250
  },
  "luminance": 0.24258
}

Semantic roles & 50–950 ramp

primary

#408BD3

secondary

#D7B798

accent

#9242E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #408BD3

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

Preview Lab → · Contrast checker → · Palette generator →