#408DD3#408DD3

#408DD3 is a light, vivid cyan. Relative luminance 0.248; OKLCH L 62.7% C 0.130 H 248.8°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#408DD3
RGB	rgb(64, 141, 211)
HSL	hsl(209, 63%, 54%)
HSV	hsv(209, 70%, 83%)
CMYK	cmyk(69.7%, 33.2%, 0%, 17.3%)
CIE-LAB	lab(56.92, -0.97, -42.83)
CIE-LCH	lch(56.92, 42.84, 268.71°)
OKLab	oklab(62.73% -0.0471 -0.1215)
OKLCH	oklch(62.73% 0.13 248.8)
XYZ	xyz(23.3927, 24.8404, 65.1772)
Luminance	0.2484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408DD3 #D38640

analogous

#40D3CF #408DD3 #4044D3

triadic

#408DD3 #D3408D #8DD340

tetradic

#408DD3 #CF40D3 #D38640 #44D340

square

#408DD3 #CF40D3 #D38640 #44D340

split-complementary

#408DD3 #D34044 #D3CF40

monochromatic

#1D4F7C #286EAE #408DD3 #72ABDE #A3C8EA

Accessibility & contrast

On white

3.52

#408DD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#408DD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408DD3

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408DD3	#FFFFFF	#000000	##000000
##408DD3	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E90D6

Deuteranopia (green-blind)

#5982D2

Tritanopia (blue-blind)

#009EA6

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #408dd3;
/* rgb */ color: rgb(64, 141, 211);
/* oklch */ color: oklch(62.7% 0.130 248.8);

Tailwind

colors: {
  custom: {
    50: '#85aee1',
    500: '#408dd3',
    950: '#000000',
  },
}

SCSS

$custom: #408dd3;
$custom-light: #85aee1;
$custom-dark: #000000;

JSON

{
  "hex": "#408dd3",
  "rgb": {
    "r": 64,
    "g": 141,
    "b": 211
  },
  "hsl": {
    "h": 208.571,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.62726,
    "c": 0.13029,
    "h": 248.8
  },
  "luminance": 0.24843
}

Semantic roles & 50–950 ramp

primary

#408DD3

secondary

#D7B698

accent

#9042E6

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #408DD3

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

Preview Lab → · Contrast checker → · Palette generator →