#408FDD#408FDD

#408FDD is a light, vivid cyan. Relative luminance 0.260; OKLCH L 63.7% C 0.141 H 250.8°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#408FDD
RGBrgb(64, 143, 221)
HSLhsl(210, 70%, 56%)
HSVhsv(210, 71%, 87%)
CMYKcmyk(71%, 35.3%, 0%, 13.3%)
CIE-LABlab(57.99, 1.36, -46.74)
CIE-LCHlch(57.99, 46.76, 271.66°)
OKLaboklab(63.73% -0.0464 -0.1328)
OKLCHoklch(63.73% 0.141 250.8)
XYZxyz(24.9831, 25.9526, 72.0853)
Luminance0.2596 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408FDD #DD8E40
analogous
#40DDDD #408FDD #4040DD
triadic
#408FDD #DD408F #8FDD40
tetradic
#408FDD #DD40DD #DD8E40 #40DD40
square
#408FDD #DD40DD #DD8E40 #40DD40
split-complementary
#408FDD #DD4040 #DDDD40
monochromatic
#19528A #2270BE #408FDD #74ADE6 #A8CCEF

Accessibility & contrast

On white

3.39
#408FDD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.19
#408FDD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408FDD
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408FDD#FFFFFF#000000##000000
##408FDD1.003.396.196.19
#FFFFFF3.391.0021.0021.00
#0000006.1921.001.001.00
##0000006.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C93E0
Deuteranopia (green-blind)
#5585DB
Tritanopia (blue-blind)
#00A1AB
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #408fdd;
/* rgb */ color: rgb(64, 143, 221);
/* oklch */ color: oklch(63.7% 0.141 250.8);
Tailwind
colors: {
  custom: {
    50: '#87afe8',
    500: '#408fdd',
    950: '#000000',
  },
}
SCSS
$custom: #408fdd;
$custom-light: #87afe8;
$custom-dark: #000000;
JSON
{
  "hex": "#408fdd",
  "rgb": {
    "r": 64,
    "g": 143,
    "b": 221
  },
  "hsl": {
    "h": 209.809,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.63731,
    "c": 0.14071,
    "h": 250.8
  },
  "luminance": 0.25955
}

Semantic roles & 50–950 ramp

primary
#408FDD
secondary
#DDBC9C
accent
#933BED
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #408FDD

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

Preview Lab → · Contrast checker → · Palette generator →

#408FDD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva