#408CDA#408CDA

#408CDA is a light, vivid cyan. Relative luminance 0.249; OKLCH L 62.9% C 0.140 H 251.5°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX#408CDA
RGBrgb(64, 140, 218)
HSLhsl(210, 68%, 55%)
HSVhsv(210, 71%, 85%)
CMYKcmyk(70.6%, 35.8%, 0%, 14.5%)
CIE-LABlab(56.98, 2.07, -46.66)
CIE-LCHlch(56.98, 46.70, 272.54°)
OKLaboklab(62.89% -0.0443 -0.1326)
OKLCHoklch(62.89% 0.14 251.5)
XYZxyz(24.1426, 24.9055, 69.8509)
Luminance0.2491 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#408CDA #DA8E40
analogous
#40D9DA #408CDA #4140DA
triadic
#408CDA #DA408C #8CDA40
tetradic
#408CDA #DA40D9 #DA8E40 #40DA41
square
#408CDA #DA40D9 #DA8E40 #40DA41
split-complementary
#408CDA #DA4140 #D9DA40
monochromatic
#1A4F86 #246DB9 #408CDA #73ABE4 #A7CAEE

Accessibility & contrast

On white

3.51
#408CDA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.98
#408CDA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #408CDA
5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##408CDA#FFFFFF#000000##000000
##408CDA1.003.515.985.98
#FFFFFF3.511.0021.0021.00
#0000005.9821.001.001.00
##0000005.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#6991DD
Deuteranopia (green-blind)
#5282D8
Tritanopia (blue-blind)
#009EA9
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #408cda;
/* rgb */ color: rgb(64, 140, 218);
/* oklch */ color: oklch(62.9% 0.140 251.5);
Tailwind
colors: {
  custom: {
    50: '#87ade6',
    500: '#408cda',
    950: '#000000',
  },
}
SCSS
$custom: #408cda;
$custom-light: #87ade6;
$custom-dark: #000000;
JSON
{
  "hex": "#408cda",
  "rgb": {
    "r": 64,
    "g": 140,
    "b": 218
  },
  "hsl": {
    "h": 210.39,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.6289,
    "c": 0.13986,
    "h": 251.5
  },
  "luminance": 0.24908
}

Semantic roles & 50–950 ramp

primary
#408CDA
secondary
#DBBB9B
accent
#953DEA
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0D1016
muted
#7D7F84

Preview Lab

Preview with #408CDA

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

Preview Lab → · Contrast checker → · Palette generator →

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