#408BDD#408BDD

#408BDD is a light, vivid cyan. Relative luminance 0.248; OKLCH L 62.8% C 0.145 H 252.9°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#408BDD
RGB	rgb(64, 139, 221)
HSL	hsl(211, 70%, 56%)
HSV	hsv(211, 71%, 87%)
CMYK	cmyk(71%, 37.1%, 0%, 13.3%)
CIE-LAB	lab(56.85, 3.72, -48.54)
CIE-LCH	lch(56.85, 48.69, 274.38°)
OKLab	oklab(62.84% -0.0426 -0.1382)
OKLCH	oklch(62.84% 0.145 252.9)
XYZ	xyz(24.3933, 24.7730, 71.8887)
Luminance	0.2478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#408BDD #DD9240

analogous

#40D9DD #408BDD #4340DD

triadic

#408BDD #DD408B #8BDD40

tetradic

#408BDD #DD40D9 #DD9240 #40DD43

square

#408BDD #DD40D9 #DD9240 #40DD43

split-complementary

#408BDD #DD4340 #D9DD40

monochromatic

#194F8A #226CBE #408BDD #74ABE6 #A8CAEF

Accessibility & contrast

On white

3.53

#408BDD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#408BDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408BDD

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##408BDD	#FFFFFF	#000000	##000000
##408BDD	1.00	3.53	5.96	5.96
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6590E0

Deuteranopia (green-blind)

#4E82DB

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #408bdd;
/* rgb */ color: rgb(64, 139, 221);
/* oklch */ color: oklch(62.8% 0.145 252.9);

Tailwind

colors: {
  custom: {
    50: '#87ace8',
    500: '#408bdd',
    950: '#000000',
  },
}

SCSS

$custom: #408bdd;
$custom-light: #87ace8;
$custom-dark: #000000;

JSON

{
  "hex": "#408bdd",
  "rgb": {
    "r": 64,
    "g": 139,
    "b": 221
  },
  "hsl": {
    "h": 211.338,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.62839,
    "c": 0.14462,
    "h": 252.9
  },
  "luminance": 0.24776
}

Semantic roles & 50–950 ramp

primary

#408BDD

secondary

#DDBE9C

accent

#983BED

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #408BDD

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

Preview Lab → · Contrast checker → · Palette generator →