#1D8AA1#1D8AA1

#1D8AA1 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 58.6% C 0.097 H 216.2°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D8AA1
RGB	rgb(29, 138, 161)
HSL	hsl(190, 69%, 37%)
HSV	hsv(190, 82%, 63%)
CMYK	cmyk(82%, 14.3%, 0%, 36.9%)
CIE-LAB	lab(52.96, -21.02, -20.57)
CIE-LCH	lch(52.96, 29.41, 224.38°)
OKLab	oklab(58.61% -0.0785 -0.0575)
OKLCH	oklch(58.61% 0.097 216.2)
XYZ	xyz(16.0254, 21.0094, 36.9219)
Luminance	0.2101 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8AA1 #A1341D

analogous

#1DA176 #1D8AA1 #1D48A1

triadic

#1D8AA1 #A11D8A #8AA11D

tetradic

#1D8AA1 #761DA1 #A1341D #48A11D

square

#1D8AA1 #761DA1 #A1341D #48A11D

split-complementary

#1D8AA1 #A11D48 #A1761D

monochromatic

#0A3139 #145E6D #1D8AA1 #26B6D5 #58C9E1

Accessibility & contrast

On white

4.04

#1D8AA1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#1D8AA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8AA1

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8AA1	#FFFFFF	#000000	##000000
##1D8AA1	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)

#7B86A2

Deuteranopia (green-blind)

#6979A1

Tritanopia (blue-blind)

#009291

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #1d8aa1;
/* rgb */ color: rgb(29, 138, 161);
/* oklch */ color: oklch(58.6% 0.097 216.2);

Tailwind

colors: {
  custom: {
    50: '#72acbc',
    500: '#1d8aa1',
    950: '#000000',
  },
}

SCSS

$custom: #1d8aa1;
$custom-light: #72acbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8aa1",
  "rgb": {
    "r": 29,
    "g": 138,
    "b": 161
  },
  "hsl": {
    "h": 190.455,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.58607,
    "c": 0.0973,
    "h": 216.2
  },
  "luminance": 0.21011
}

Semantic roles & 50–950 ramp

primary

#1D8AA1

secondary

#C46955

accent

#5A3CEC

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1D8AA1

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

Preview Lab → · Contrast checker → · Palette generator →