#1CB5DA#1CB5DA

#1CB5DA is a light, vivid cyan. Relative luminance 0.384; OKLCH L 71.7% C 0.126 H 220.2°. Best body text is #000000 at 8.67:1 contrast (WCAG AA passes).

Color values

HEX#1CB5DA
RGBrgb(28, 181, 218)
HSLhsl(192, 77%, 48%)
HSVhsv(192, 87%, 85%)
CMYKcmyk(87.2%, 17%, 0%, 14.5%)
CIE-LABlab(68.28, -24.16, -29.06)
CIE-LCHlch(68.28, 37.79, 230.26°)
OKLaboklab(71.67% -0.0963 -0.0815)
OKLCHoklch(71.67% 0.126 220.2)
XYZxyz(29.6522, 38.3527, 72.1560)
Luminance0.3836 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1CB5DA #DA411C
analogous
#1CDAA0 #1CB5DA #1C56DA
triadic
#1CB5DA #DA1CB5 #B5DA1C
tetradic
#1CB5DA #A01CDA #DA411C #56DA1C
square
#1CB5DA #A01CDA #DA411C #56DA1C
split-complementary
#1CB5DA #DA1C56 #DAA01C
monochromatic
#0E5B6E #1588A4 #1CB5DA #4BC9E8 #82DAEF

Accessibility & contrast

On white

2.42
#1CB5DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.67
#1CB5DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1CB5DA
8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1CB5DA#FFFFFF#000000##000000
##1CB5DA1.002.428.678.67
#FFFFFF2.421.0021.0021.00
#0000008.6721.001.001.00
##0000008.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9FB0DC
Deuteranopia (green-blind)
#879FDA
Tritanopia (blue-blind)
#00C1C1
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #1cb5da;
/* rgb */ color: rgb(28, 181, 218);
/* oklch */ color: oklch(71.7% 0.126 220.2);
Tailwind
colors: {
  custom: {
    50: '#7ecbe5',
    500: '#1cb5da',
    950: '#000000',
  },
}
SCSS
$custom: #1cb5da;
$custom-light: #7ecbe5;
$custom-dark: #000000;
JSON
{
  "hex": "#1cb5da",
  "rgb": {
    "r": 28,
    "g": 181,
    "b": 218
  },
  "hsl": {
    "h": 191.684,
    "s": 77.236,
    "l": 48.235
  },
  "oklch": {
    "l": 0.71667,
    "c": 0.12617,
    "h": 220.2
  },
  "luminance": 0.38357
}

Semantic roles & 50–950 ramp

primary
#1CB5DA
secondary
#D78C7A
accent
#5934F4
background
#F8FCFE
surface
#F0F8FC
border
#CBD1D5
text
#0C1315
muted
#7D8284

Preview Lab

Preview with #1CB5DA

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

Preview Lab → · Contrast checker → · Palette generator →

#1CB5DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva