#19557B#19557B

#19557B is a dark, moderate cyan. Relative luminance 0.081; OKLCH L 43.1% C 0.087 H 241.3°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#19557B
RGBrgb(25, 85, 123)
HSLhsl(203, 66%, 29%)
HSVhsv(203, 80%, 48%)
CMYKcmyk(79.7%, 30.9%, 0%, 51.8%)
CIE-LABlab(34.26, -4.84, -26.89)
CIE-LCHlch(34.26, 27.33, 259.79°)
OKLaboklab(43.07% -0.0417 -0.0761)
OKLCHoklch(43.07% 0.087 241.3)
XYZxyz(7.2232, 8.1329, 19.9242)
Luminance0.0813 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#19557B #7B3F19
analogous
#197B70 #19557B #19247B
triadic
#19557B #7B1955 #557B19
tetradic
#19557B #70197B #7B3F19 #247B19
square
#19557B #70197B #7B3F19 #247B19
split-complementary
#19557B #7B1924 #7B7019
monochromatic
#051219 #0F3248 #19557B #2378AE #3899D7

Accessibility & contrast

On white

7.99
#19557B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.63
#19557B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #19557B
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##19557B#FFFFFF#000000##FFFFFF
##19557B1.007.992.637.99
#FFFFFF7.991.0021.001.00
#0000002.6321.001.0021.00
##FFFFFF7.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#43567D
Deuteranopia (green-blind)
#364C7A
Tritanopia (blue-blind)
#005E62
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #19557b;
/* rgb */ color: rgb(25, 85, 123);
/* oklch */ color: oklch(43.1% 0.087 241.3);
Tailwind
colors: {
  custom: {
    50: '#6684a1',
    500: '#19557b',
    950: '#000000',
  },
}
SCSS
$custom: #19557b;
$custom-light: #6684a1;
$custom-dark: #000000;
JSON
{
  "hex": "#19557b",
  "rgb": {
    "r": 25,
    "g": 85,
    "b": 123
  },
  "hsl": {
    "h": 203.265,
    "s": 66.216,
    "l": 29.02
  },
  "oklch": {
    "l": 0.43071,
    "c": 0.08683,
    "h": 241.3
  },
  "luminance": 0.08134
}

Semantic roles & 50–950 ramp

primary
#19557B
secondary
#AF6B40
accent
#813FE9
background
#F6F8F9
surface
#EBEFF2
border
#C6CACC
text
#070B0F
muted
#7A7C7E

Preview Lab

Preview with #19557B

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

Preview Lab → · Contrast checker → · Palette generator →

#19557B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva