#6397CB#6397CB

#6397CB is a light, moderate cyan. Relative luminance 0.291; OKLCH L 66.1% C 0.096 H 249.5°. Best body text is #000000 at 6.82:1 contrast (WCAG AA passes).

Color values

HEX#6397CB
RGBrgb(99, 151, 203)
HSLhsl(210, 50%, 59%)
HSVhsv(210, 51%, 80%)
CMYKcmyk(51.2%, 25.6%, 0%, 20.4%)
CIE-LABlab(60.87, -2.68, -32.06)
CIE-LCHlch(60.87, 32.17, 265.21°)
OKLaboklab(66.11% -0.0336 -0.0897)
OKLCHoklch(66.11% 0.096 249.5)
XYZxyz(26.9879, 29.0956, 60.6822)
Luminance0.2910 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6397CB #CB9763
analogous
#63CBCB #6397CB #6363CB
triadic
#6397CB #CB6397 #97CB63
tetradic
#6397CB #CB63CB #CB9763 #63CB63
square
#6397CB #CB63CB #CB9763 #63CB63
split-complementary
#6397CB #CB6363 #CBCB63
monochromatic
#2D5A87 #3C78B5 #6397CB #91B6DA #BFD4EA

Accessibility & contrast

On white

3.08
#6397CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.82
#6397CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6397CB
6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6397CB#FFFFFF#000000##000000
##6397CB1.003.086.826.82
#FFFFFF3.081.0021.0021.00
#0000006.8221.001.001.00
##0000006.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8299CD
Deuteranopia (green-blind)
#748ECA
Tritanopia (blue-blind)
#2DA3A9
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #6397cb;
/* rgb */ color: rgb(99, 151, 203);
/* oklch */ color: oklch(66.1% 0.096 249.5);
Tailwind
colors: {
  custom: {
    50: '#95b5db',
    500: '#6397cb',
    950: '#000000',
  },
}
SCSS
$custom: #6397cb;
$custom-light: #95b5db;
$custom-dark: #000000;
JSON
{
  "hex": "#6397cb",
  "rgb": {
    "r": 99,
    "g": 151,
    "b": 203
  },
  "hsl": {
    "h": 210,
    "s": 50,
    "l": 59.216
  },
  "oklch": {
    "l": 0.66107,
    "c": 0.09579,
    "h": 249.5
  },
  "luminance": 0.29098
}

Semantic roles & 50–950 ramp

primary
#6397CB
secondary
#D9C5B1
accent
#944EDA
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1115
muted
#7E8083

Preview Lab

Preview with #6397CB

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

Preview Lab → · Contrast checker → · Palette generator →

#6397CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva