#1998B3#1998B3

#1998B3 is a light, moderate cyan. Relative luminance 0.259; OKLCH L 62.8% C 0.108 H 217.2°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX#1998B3
RGBrgb(25, 152, 179)
HSLhsl(191, 75%, 40%)
HSVhsv(191, 86%, 70%)
CMYKcmyk(86%, 15.1%, 0%, 29.8%)
CIE-LABlab(57.96, -22.57, -23.21)
CIE-LCHlch(57.96, 32.37, 225.80°)
OKLaboklab(62.85% -0.0857 -0.0649)
OKLCHoklch(62.85% 0.108 217.2)
XYZxyz(19.7623, 25.9153, 46.5996)
Luminance0.2592 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1998B3 #B33419
analogous
#19B381 #1998B3 #194BB3
triadic
#1998B3 #B31998 #98B319
tetradic
#1998B3 #8119B3 #B33419 #4BB319
square
#1998B3 #8119B3 #B33419 #4BB319
split-complementary
#1998B3 #B3194B #B38119
monochromatic
#0A3D48 #126A7D #1998B3 #28C1E1 #5ED0E8

Accessibility & contrast

On white

3.40
#1998B3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.18
#1998B3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1998B3
6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1998B3#FFFFFF#000000##000000
##1998B31.003.406.186.18
#FFFFFF3.401.0021.0021.00
#0000006.1821.001.001.00
##0000006.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8693B4
Deuteranopia (green-blind)
#7385B3
Tritanopia (blue-blind)
#00A1A1
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #1998b3;
/* rgb */ color: rgb(25, 152, 179);
/* oklch */ color: oklch(62.8% 0.108 217.2);
Tailwind
colors: {
  custom: {
    50: '#75b6c9',
    500: '#1998b3',
    950: '#000000',
  },
}
SCSS
$custom: #1998b3;
$custom-light: #75b6c9;
$custom-dark: #000000;
JSON
{
  "hex": "#1998b3",
  "rgb": {
    "r": 25,
    "g": 152,
    "b": 179
  },
  "hsl": {
    "h": 190.519,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.62848,
    "c": 0.10755,
    "h": 217.2
  },
  "luminance": 0.25918
}

Semantic roles & 50–950 ramp

primary
#1998B3
secondary
#CC6F5B
accent
#5736F2
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082

Preview Lab

Preview with #1998B3

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

Preview Lab → · Contrast checker → · Palette generator →

#1998B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva