#1D9DBC#1D9DBC

#1D9DBC is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.5% C 0.111 H 219.6°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D9DBC
RGB	rgb(29, 157, 188)
HSL	hsl(192, 73%, 43%)
HSV	hsv(192, 85%, 74%)
CMYK	cmyk(84.6%, 16.5%, 0%, 26.3%)
CIE-LAB	lab(59.89, -21.82, -25.31)
CIE-LCH	lch(59.89, 33.42, 229.24°)
OKLab	oklab(64.54% -0.0858 -0.0709)
OKLCH	oklch(64.54% 0.111 219.6)
XYZ	xyz(21.6369, 28.0032, 51.8320)
Luminance	0.2801 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D9DBC #BC3C1D

analogous

#1DBC8B #1D9DBC #1D4EBC

triadic

#1D9DBC #BC1D9D #9DBC1D

tetradic

#1D9DBC #8B1DBC #BC3C1D #4EBC1D

square

#1D9DBC #8B1DBC #BC3C1D #4EBC1D

split-complementary

#1D9DBC #BC1D4E #BC8B1D

monochromatic

#0D4452 #157187 #1D9DBC #36BFE0 #6BD0E8

Accessibility & contrast

On white

3.18

#1D9DBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#1D9DBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D9DBC

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D9DBC	#FFFFFF	#000000	##000000
##1D9DBC	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A99BE

Deuteranopia (green-blind)

#768ABC

Tritanopia (blue-blind)

#00A7A7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #1d9dbc;
/* rgb */ color: rgb(29, 157, 188);
/* oklch */ color: oklch(64.5% 0.111 219.6);

Tailwind

colors: {
  custom: {
    50: '#78bad0',
    500: '#1d9dbc',
    950: '#000000',
  },
}

SCSS

$custom: #1d9dbc;
$custom-light: #78bad0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d9dbc",
  "rgb": {
    "r": 29,
    "g": 157,
    "b": 188
  },
  "hsl": {
    "h": 191.698,
    "s": 73.272,
    "l": 42.549
  },
  "oklch": {
    "l": 0.64536,
    "c": 0.11131,
    "h": 219.6
  },
  "luminance": 0.28006
}

Semantic roles & 50–950 ramp

primary

#1D9DBC

secondary

#CE7B67

accent

#5C38F0

background

#F8FBFC

surface

#EFF6F9

border

#CAD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #1D9DBC

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

Preview Lab → · Contrast checker → · Palette generator →