#1797B3#1797B3

#1797B3 is a light, moderate cyan. Relative luminance 0.256; OKLCH L 62.6% C 0.108 H 217.9°. Best body text is #000000 at 6.11:1 contrast (WCAG AA passes).

Color values

HEX#1797B3
RGBrgb(23, 151, 179)
HSLhsl(191, 77%, 40%)
HSVhsv(191, 87%, 70%)
CMYKcmyk(87.2%, 15.6%, 0%, 29.8%)
CIE-LABlab(57.62, -22.18, -23.72)
CIE-LCHlch(57.62, 32.48, 226.92°)
OKLaboklab(62.57% -0.0853 -0.0664)
OKLCHoklch(62.57% 0.108 217.9)
XYZxyz(19.5531, 25.5675, 46.5435)
Luminance0.2557 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1797B3 #B33317
analogous
#17B381 #1797B3 #1749B3
triadic
#1797B3 #B31797 #97B317
tetradic
#1797B3 #8117B3 #B33317 #49B317
square
#1797B3 #8117B3 #B33317 #49B317
split-complementary
#1797B3 #B31749 #B38117
monochromatic
#093C47 #10697D #1797B3 #24C1E3 #5BD0EA

Accessibility & contrast

On white

3.43
#1797B3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.11
#1797B3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1797B3
6.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1797B3#FFFFFF#000000##000000
##1797B31.003.436.116.11
#FFFFFF3.431.0021.0021.00
#0000006.1121.001.001.00
##0000006.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8592B5
Deuteranopia (green-blind)
#7284B3
Tritanopia (blue-blind)
#00A0A0
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #1797b3;
/* rgb */ color: rgb(23, 151, 179);
/* oklch */ color: oklch(62.6% 0.108 217.9);
Tailwind
colors: {
  custom: {
    50: '#75b5c9',
    500: '#1797b3',
    950: '#000000',
  },
}
SCSS
$custom: #1797b3;
$custom-light: #75b5c9;
$custom-dark: #000000;
JSON
{
  "hex": "#1797b3",
  "rgb": {
    "r": 23,
    "g": 151,
    "b": 179
  },
  "hsl": {
    "h": 190.769,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.62573,
    "c": 0.10809,
    "h": 217.9
  },
  "luminance": 0.2557
}

Semantic roles & 50–950 ramp

primary
#1797B3
secondary
#CD6D58
accent
#5634F4
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082

Preview Lab

Preview with #1797B3

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

Preview Lab → · Contrast checker → · Palette generator →

#1797B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva