#6490CB#6490CB

#6490CB is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.6% C 0.101 H 256.0°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX#6490CB
RGBrgb(100, 144, 203)
HSLhsl(214, 50%, 59%)
HSVhsv(214, 51%, 80%)
CMYKcmyk(50.7%, 29.1%, 0%, 20.4%)
CIE-LABlab(58.94, 1.57, -35.05)
CIE-LCHlch(58.94, 35.09, 272.56°)
OKLaboklab(64.61% -0.0245 -0.0983)
OKLCHoklch(64.61% 0.101 256)
XYZxyz(26.0046, 26.9657, 60.3229)
Luminance0.2697 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6490CB #CB9F64
analogous
#64C3CB #6490CB #6C64CB
triadic
#6490CB #CB6490 #90CB64
tetradic
#6490CB #CB64C3 #CB9F64 #64CB6C
square
#6490CB #CB64C3 #CB9F64 #64CB6C
split-complementary
#6490CB #CB6C64 #C3CB64
monochromatic
#2D5487 #3D70B5 #6490CB #92B1DA #C0D2EA

Accessibility & contrast

On white

3.28
#6490CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.39
#6490CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6490CB
6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6490CB#FFFFFF#000000##000000
##6490CB1.003.286.396.39
#FFFFFF3.281.0021.0021.00
#0000006.3921.001.001.00
##0000006.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7993CE
Deuteranopia (green-blind)
#6C89CA
Tritanopia (blue-blind)
#329DA5
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #6490cb;
/* rgb */ color: rgb(100, 144, 203);
/* oklch */ color: oklch(64.6% 0.101 256.0);
Tailwind
colors: {
  custom: {
    50: '#96b0db',
    500: '#6490cb',
    950: '#000000',
  },
}
SCSS
$custom: #6490cb;
$custom-light: #96b0db;
$custom-dark: #000000;
JSON
{
  "hex": "#6490cb",
  "rgb": {
    "r": 100,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 214.369,
    "s": 49.758,
    "l": 59.412
  },
  "oklch": {
    "l": 0.64612,
    "c": 0.10134,
    "h": 256
  },
  "luminance": 0.26968
}

Semantic roles & 50–950 ramp

primary
#6490CB
secondary
#D9C8B1
accent
#9E4FD9
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #6490CB

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

Preview Lab → · Contrast checker → · Palette generator →

#6490CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva