#1D8AA0#1D8AA0

#1D8AA0 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.6% C 0.097 H 215.4°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D8AA0
RGB	rgb(29, 138, 160)
HSL	hsl(190, 69%, 37%)
HSV	hsv(190, 82%, 63%)
CMYK	cmyk(81.9%, 13.8%, 0%, 37.3%)
CIE-LAB	lab(52.92, -21.36, -20.05)
CIE-LCH	lch(52.92, 29.30, 223.20°)
OKLab	oklab(58.56% -0.0789 -0.056)
OKLCH	oklch(58.56% 0.097 215.4)
XYZ	xyz(15.9376, 20.9742, 36.4593)
Luminance	0.2098 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8AA0 #A0331D

analogous

#1DA074 #1D8AA0 #1D49A0

triadic

#1D8AA0 #A01D8A #8AA01D

tetradic

#1D8AA0 #741DA0 #A0331D #49A01D

square

#1D8AA0 #741DA0 #A0331D #49A01D

split-complementary

#1D8AA0 #A01D49 #A0741D

monochromatic

#0A3138 #145D6C #1D8AA0 #26B7D4 #57C9E1

Accessibility & contrast

On white

4.04

#1D8AA0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#1D8AA0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8AA0

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8AA0	#FFFFFF	#000000	##000000
##1D8AA0	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B85A1

Deuteranopia (green-blind)

#6A79A0

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1d8aa0;
/* rgb */ color: rgb(29, 138, 160);
/* oklch */ color: oklch(58.6% 0.097 215.4);

Tailwind

colors: {
  custom: {
    50: '#71acbc',
    500: '#1d8aa0',
    950: '#000000',
  },
}

SCSS

$custom: #1d8aa0;
$custom-light: #71acbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8aa0",
  "rgb": {
    "r": 29,
    "g": 138,
    "b": 160
  },
  "hsl": {
    "h": 190.076,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.58564,
    "c": 0.09677,
    "h": 215.4
  },
  "luminance": 0.20976
}

Semantic roles & 50–950 ramp

primary

#1D8AA0

secondary

#C46755

accent

#593CEC

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1D8AA0

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

Preview Lab → · Contrast checker → · Palette generator →