#4097BF#4097BF

#4097BF is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.0% C 0.102 H 231.3°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX#4097BF
RGBrgb(64, 151, 191)
HSLhsl(199, 50%, 50%)
HSVhsv(199, 66%, 75%)
CMYKcmyk(66.5%, 20.9%, 0%, 25.1%)
CIE-LABlab(58.96, -13.42, -28.38)
CIE-LCHlch(58.96, 31.40, 244.69°)
OKLaboklab(64.04% -0.0636 -0.0795)
OKLCHoklch(64.04% 0.102 231.3)
XYZxyz(22.5812, 26.9824, 53.2982)
Luminance0.2698 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4097BF #BF6840
analogous
#40BFA8 #4097BF #4057BF
triadic
#4097BF #BF4097 #97BF40
tetradic
#4097BF #A840BF #BF6840 #57BF40
square
#4097BF #A840BF #BF6840 #57BF40
split-complementary
#4097BF #BF4057 #BFA840
monochromatic
#214F63 #317391 #4097BF #6EB0CE #9CC9DE

Accessibility & contrast

On white

3.28
#4097BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.40
#4097BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4097BF
6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4097BF#FFFFFF#000000##000000
##4097BF1.003.286.406.40
#FFFFFF3.281.0021.0021.00
#0000006.4021.001.001.00
##0000006.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8395C1
Deuteranopia (green-blind)
#7188BE
Tritanopia (blue-blind)
#00A2A4
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #4097bf;
/* rgb */ color: rgb(64, 151, 191);
/* oklch */ color: oklch(64.0% 0.102 231.3);
Tailwind
colors: {
  custom: {
    50: '#83b5d2',
    500: '#4097bf',
    950: '#000000',
  },
}
SCSS
$custom: #4097bf;
$custom-light: #83b5d2;
$custom-dark: #000000;
JSON
{
  "hex": "#4097bf",
  "rgb": {
    "r": 64,
    "g": 151,
    "b": 191
  },
  "hsl": {
    "h": 198.898,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.64044,
    "c": 0.10185,
    "h": 231.3
  },
  "luminance": 0.26985
}

Semantic roles & 50–950 ramp

primary
#4097BF
secondary
#CAA391
accent
#7A4ED9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #4097BF

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

Preview Lab → · Contrast checker → · Palette generator →

#4097BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva