#638EA2#638EA2

#638EA2 is a light, muted cyan. Relative luminance 0.246; OKLCH L 62.3% C 0.056 H 228.6°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX#638EA2
RGBrgb(99, 142, 162)
HSLhsl(199, 25%, 51%)
HSVhsv(199, 39%, 64%)
CMYKcmyk(38.9%, 12.3%, 0%, 36.5%)
CIE-LABlab(56.69, -9.43, -15.24)
CIE-LCHlch(56.69, 17.92, 238.24°)
OKLaboklab(62.29% -0.0369 -0.0419)
OKLCHoklch(62.29% 0.056 228.6)
XYZxyz(21.3380, 24.6060, 37.8005)
Luminance0.2461 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#638EA2 #A27763
analogous
#63A296 #638EA2 #636EA2
triadic
#638EA2 #A2638E #8EA263
tetradic
#638EA2 #9663A2 #A27763 #6EA263
square
#638EA2 #9663A2 #A27763 #6EA263
split-complementary
#638EA2 #A2636E #A29663
monochromatic
#344C57 #4B6D7D #638EA2 #89AAB9 #B0C6D0

Accessibility & contrast

On white

3.55
#638EA2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.92
#638EA2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638EA2
5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##638EA2#FFFFFF#000000##000000
##638EA21.003.555.925.92
#FFFFFF3.551.0021.0021.00
#0000005.9221.001.001.00
##0000005.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#848CA3
Deuteranopia (green-blind)
#7A85A2
Tritanopia (blue-blind)
#4B9494
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #638ea2;
/* rgb */ color: rgb(99, 142, 162);
/* oklch */ color: oklch(62.3% 0.056 228.6);
Tailwind
colors: {
  custom: {
    50: '#92afbd',
    500: '#638ea2',
    950: '#000000',
  },
}
SCSS
$custom: #638ea2;
$custom-light: #92afbd;
$custom-dark: #000000;
JSON
{
  "hex": "#638ea2",
  "rgb": {
    "r": 99,
    "g": 142,
    "b": 162
  },
  "hsl": {
    "h": 199.048,
    "s": 25.301,
    "l": 51.176
  },
  "oklch": {
    "l": 0.62285,
    "c": 0.05587,
    "h": 228.6
  },
  "luminance": 0.24607
}

Semantic roles & 50–950 ramp

primary
#638EA2
secondary
#BEABA2
accent
#8366C2
background
#F9FAFB
surface
#F1F4F6
border
#CBCED0
text
#0D1012
muted
#7E7F81

Preview Lab

Preview with #638EA2

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

Preview Lab → · Contrast checker → · Palette generator →

#638EA2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva