#198BB4#198BB4

#198BB4 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.7% C 0.112 H 229.0°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX#198BB4
RGBrgb(25, 139, 180)
HSLhsl(196, 76%, 40%)
HSVhsv(196, 86%, 71%)
CMYKcmyk(86.1%, 22.8%, 0%, 29.4%)
CIE-LABlab(53.99, -15.25, -29.91)
CIE-LCHlch(53.99, 33.57, 242.98°)
OKLaboklab(59.68% -0.0732 -0.0843)
OKLCHoklch(59.68% 0.112 229)
XYZxyz(17.8683, 21.9649, 46.4691)
Luminance0.2197 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#198BB4 #B44219
analogous
#19B48F #198BB4 #193DB4
triadic
#198BB4 #B4198B #8BB419
tetradic
#198BB4 #8F19B4 #B44219 #3DB419
square
#198BB4 #8F19B4 #B44219 #3DB419
split-complementary
#198BB4 #B4193D #B48F19
monochromatic
#0A3849 #12627E #198BB4 #29B1E1 #5FC4E9

Accessibility & contrast

On white

3.89
#198BB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.39
#198BB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #198BB4
5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##198BB4#FFFFFF#000000##000000
##198BB41.003.895.395.39
#FFFFFF3.891.0021.0021.00
#0000005.3921.001.001.00
##0000005.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7689B6
Deuteranopia (green-blind)
#627BB3
Tritanopia (blue-blind)
#009699
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #198bb4;
/* rgb */ color: rgb(25, 139, 180);
/* oklch */ color: oklch(59.7% 0.112 229.0);
Tailwind
colors: {
  custom: {
    50: '#74adca',
    500: '#198bb4',
    950: '#000000',
  },
}
SCSS
$custom: #198bb4;
$custom-light: #74adca;
$custom-dark: #000000;
JSON
{
  "hex": "#198bb4",
  "rgb": {
    "r": 25,
    "g": 139,
    "b": 180
  },
  "hsl": {
    "h": 195.871,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.59675,
    "c": 0.11164,
    "h": 229
  },
  "luminance": 0.21967
}

Semantic roles & 50–950 ramp

primary
#198BB4
secondary
#CD7A5C
accent
#6736F2
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #198BB4

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

Preview Lab → · Contrast checker → · Palette generator →

#198BB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva