#1D8DA8#1D8DA8

#1D8DA8 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.7% C 0.101 H 219.0°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#1D8DA8
RGB	rgb(29, 141, 168)
HSL	hsl(192, 71%, 39%)
HSV	hsv(192, 83%, 66%)
CMYK	cmyk(82.7%, 16.1%, 0%, 34.1%)
CIE-LAB	lab(54.17, -20.22, -22.74)
CIE-LCH	lch(54.17, 30.43, 228.37°)
OKLab	oklab(59.67% -0.0786 -0.0637)
OKLCH	oklch(59.67% 0.101 219)
XYZ	xyz(17.0964, 22.1360, 40.4098)
Luminance	0.2214 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8DA8 #A8381D

analogous

#1DA87D #1D8DA8 #1D47A8

triadic

#1D8DA8 #A81D8D #8DA81D

tetradic

#1D8DA8 #7D1DA8 #A8381D #47A81D

square

#1D8DA8 #7D1DA8 #A8381D #47A81D

split-complementary

#1D8DA8 #A81D47 #A87D1D

monochromatic

#0B3540 #146174 #1D8DA8 #28B7DA #5CC9E3

Accessibility & contrast

On white

3.87

#1D8DA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#1D8DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8DA8

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8DA8	#FFFFFF	#000000	##000000
##1D8DA8	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C89A9

Deuteranopia (green-blind)

#6A7CA8

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #1d8da8;
/* rgb */ color: rgb(29, 141, 168);
/* oklch */ color: oklch(59.7% 0.101 219.0);

Tailwind

colors: {
  custom: {
    50: '#73aec2',
    500: '#1d8da8',
    950: '#000000',
  },
}

SCSS

$custom: #1d8da8;
$custom-light: #73aec2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8da8",
  "rgb": {
    "r": 29,
    "g": 141,
    "b": 168
  },
  "hsl": {
    "h": 191.655,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.59673,
    "c": 0.10112,
    "h": 219
  },
  "luminance": 0.22138
}

Semantic roles & 50–950 ramp

primary

#1D8DA8

secondary

#C76F5A

accent

#5D3AED

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1D8DA8

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

Preview Lab → · Contrast checker → · Palette generator →