#1D81A7#1D81A7

#1D81A7 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.6% C 0.104 H 229.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1D81A7
RGB	rgb(29, 129, 167)
HSL	hsl(197, 70%, 38%)
HSV	hsv(197, 83%, 65%)
CMYK	cmyk(82.6%, 22.8%, 0%, 34.5%)
CIE-LAB	lab(50.39, -14.01, -28.00)
CIE-LCH	lch(50.39, 31.32, 243.41°)
OKLab	oklab(56.63% -0.0674 -0.0788)
OKLCH	oklch(56.63% 0.104 229.5)
XYZ	xyz(15.3291, 18.7498, 39.3629)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D81A7 #A7431D

analogous

#1DA788 #1D81A7 #1D3CA7

triadic

#1D81A7 #A71D81 #81A71D

tetradic

#1D81A7 #881DA7 #A7431D #3CA71D

square

#1D81A7 #881DA7 #A7431D #3CA71D

split-complementary

#1D81A7 #A71D3C #A7881D

monochromatic

#0B303F #145973 #1D81A7 #28A9DA #5CBEE3

Accessibility & contrast

On white

4.42

#1D81A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#1D81A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D81A7

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D81A7	#FFFFFF	#000000	##000000
##1D81A7	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7FA9

Deuteranopia (green-blind)

#5B72A6

Tritanopia (blue-blind)

#008C8E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1d81a7;
/* rgb */ color: rgb(29, 129, 167);
/* oklch */ color: oklch(56.6% 0.104 229.5);

Tailwind

colors: {
  custom: {
    50: '#72a5c1',
    500: '#1d81a7',
    950: '#000000',
  },
}

SCSS

$custom: #1d81a7;
$custom-light: #72a5c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d81a7",
  "rgb": {
    "r": 29,
    "g": 129,
    "b": 167
  },
  "hsl": {
    "h": 196.522,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.56628,
    "c": 0.10374,
    "h": 229.5
  },
  "luminance": 0.18752
}

Semantic roles & 50–950 ramp

primary

#1D81A7

secondary

#C77759

accent

#6C3BED

background

#F7FAFB

surface

#EDF4F7

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1D81A7

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

Preview Lab → · Contrast checker → · Palette generator →