#1D9AB3#1D9AB3

#1D9AB3 is a light, moderate cyan. Relative luminance 0.266; OKLCH L 63.4% C 0.106 H 215.6°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#1D9AB3
RGB	rgb(29, 154, 179)
HSL	hsl(190, 72%, 41%)
HSV	hsv(190, 84%, 70%)
CMYK	cmyk(83.8%, 14%, 0%, 29.8%)
CIE-LAB	lab(58.63, -23.30, -22.18)
CIE-LCH	lch(58.63, 32.17, 223.59°)
OKLab	oklab(63.4% -0.0866 -0.062)
OKLCH	oklch(63.4% 0.106 215.6)
XYZ	xyz(20.1955, 26.6245, 46.7137)
Luminance	0.2663 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D9AB3 #B3361D

analogous

#1DB381 #1D9AB3 #1D4FB3

triadic

#1D9AB3 #B31D9A #9AB31D

tetradic

#1D9AB3 #811DB3 #B3361D #4FB31D

square

#1D9AB3 #811DB3 #B3361D #4FB31D

split-complementary

#1D9AB3 #B31D4F #B3811D

monochromatic

#0C3F4A #146D7E #1D9AB3 #30C0DD #64D0E6

Accessibility & contrast

On white

3.32

#1D9AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#1D9AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D9AB3

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D9AB3	#FFFFFF	#000000	##000000
##1D9AB3	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8995B4

Deuteranopia (green-blind)

#7687B3

Tritanopia (blue-blind)

#00A3A2

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #1d9ab3;
/* rgb */ color: rgb(29, 154, 179);
/* oklch */ color: oklch(63.4% 0.106 215.6);

Tailwind

colors: {
  custom: {
    50: '#76b8c9',
    500: '#1d9ab3',
    950: '#000000',
  },
}

SCSS

$custom: #1d9ab3;
$custom-light: #76b8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d9ab3",
  "rgb": {
    "r": 29,
    "g": 154,
    "b": 179
  },
  "hsl": {
    "h": 190,
    "s": 72.115,
    "l": 40.784
  },
  "oklch": {
    "l": 0.63402,
    "c": 0.10647,
    "h": 215.6
  },
  "luminance": 0.26627
}

Semantic roles & 50–950 ramp

primary

#1D9AB3

secondary

#CB7361

accent

#5739EF

background

#F7FBFC

surface

#EEF6F8

border

#C9D0D1

text

#0A1113

muted

#7C8082

Preview Lab

Preview with #1D9AB3

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

Preview Lab → · Contrast checker → · Palette generator →