#6590CB#6590CB

#6590CB is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.7% C 0.101 H 256.5°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX#6590CB
RGBrgb(101, 144, 203)
HSLhsl(215, 50%, 60%)
HSVhsv(215, 50%, 80%)
CMYKcmyk(50.2%, 29.1%, 0%, 20.4%)
CIE-LABlab(59.00, 1.80, -34.96)
CIE-LCHlch(59.00, 35.01, 272.95°)
OKLaboklab(64.67% -0.0236 -0.0981)
OKLCHoklch(64.67% 0.101 256.5)
XYZxyz(26.1159, 27.0231, 60.3281)
Luminance0.2702 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6590CB #CBA065
analogous
#65C3CB #6590CB #6D65CB
triadic
#6590CB #CB6590 #90CB65
tetradic
#6590CB #CB65C3 #CBA065 #65CB6D
square
#6590CB #CB65C3 #CBA065 #65CB6D
split-complementary
#6590CB #CB6D65 #C3CB65
monochromatic
#2E5488 #3D70B6 #6590CB #93B1DA #C1D2EA

Accessibility & contrast

On white

3.28
#6590CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.40
#6590CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6590CB
6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6590CB#FFFFFF#000000##000000
##6590CB1.003.286.406.40
#FFFFFF3.281.0021.0021.00
#0000006.4021.001.001.00
##0000006.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7993CE
Deuteranopia (green-blind)
#6D8ACA
Tritanopia (blue-blind)
#359DA5
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #6590cb;
/* rgb */ color: rgb(101, 144, 203);
/* oklch */ color: oklch(64.7% 0.101 256.5);
Tailwind
colors: {
  custom: {
    50: '#97b0db',
    500: '#6590cb',
    950: '#000000',
  },
}
SCSS
$custom: #6590cb;
$custom-light: #97b0db;
$custom-dark: #000000;
JSON
{
  "hex": "#6590cb",
  "rgb": {
    "r": 101,
    "g": 144,
    "b": 203
  },
  "hsl": {
    "h": 214.706,
    "s": 49.515,
    "l": 59.608
  },
  "oklch": {
    "l": 0.64668,
    "c": 0.10086,
    "h": 256.5
  },
  "luminance": 0.27025
}

Semantic roles & 50–950 ramp

primary
#6590CB
secondary
#DAC9B2
accent
#9F4FD9
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0E1015
muted
#7E7F83

Preview Lab

Preview with #6590CB

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

Preview Lab → · Contrast checker → · Palette generator →

#6590CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva