#1D8AAD#1D8AAD

#1D8AAD is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.2% C 0.105 H 225.5°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#1D8AAD
RGB	rgb(29, 138, 173)
HSL	hsl(195, 71%, 40%)
HSV	hsv(195, 83%, 68%)
CMYK	cmyk(83.2%, 20.2%, 0%, 32.2%)
CIE-LAB	lab(53.44, -16.86, -26.74)
CIE-LCH	lch(53.44, 31.61, 237.76°)
OKLab	oklab(59.15% -0.0737 -0.0751)
OKLCH	oklch(59.15% 0.105 225.5)
XYZ	xyz(17.1348, 21.4531, 42.7648)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8AAD #AD401D

analogous

#1DAD88 #1D8AAD #1D42AD

triadic

#1D8AAD #AD1D8A #8AAD1D

tetradic

#1D8AAD #881DAD #AD401D #42AD1D

square

#1D8AAD #881DAD #AD401D #42AD1D

split-complementary

#1D8AAD #AD1D42 #AD881D

monochromatic

#0B3644 #146079 #1D8AAD #2CB1DC #60C4E4

Accessibility & contrast

On white

3.97

#1D8AAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#1D8AAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8AAD

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8AAD	#FFFFFF	#000000	##000000
##1D8AAD	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7787AF

Deuteranopia (green-blind)

#647AAD

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #1d8aad;
/* rgb */ color: rgb(29, 138, 173);
/* oklch */ color: oklch(59.2% 0.105 225.5);

Tailwind

colors: {
  custom: {
    50: '#74acc5',
    500: '#1d8aad',
    950: '#000000',
  },
}

SCSS

$custom: #1d8aad;
$custom-light: #74acc5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8aad",
  "rgb": {
    "r": 29,
    "g": 138,
    "b": 173
  },
  "hsl": {
    "h": 194.583,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.59154,
    "c": 0.10526,
    "h": 225.5
  },
  "luminance": 0.21455
}

Semantic roles & 50–950 ramp

primary

#1D8AAD

secondary

#C9775D

accent

#663AEE

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1D8AAD

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

Preview Lab → · Contrast checker → · Palette generator →