#1D8FAD#1D8FAD

#1D8FAD is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.4% C 0.104 H 221.0°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#1D8FAD
RGB	rgb(29, 143, 173)
HSL	hsl(193, 71%, 40%)
HSV	hsv(193, 83%, 68%)
CMYK	cmyk(83.2%, 17.3%, 0%, 32.2%)
CIE-LAB	lab(54.99, -19.56, -24.35)
CIE-LCH	lch(54.99, 31.23, 231.22°)
OKLab	oklab(60.4% -0.0785 -0.0682)
OKLCH	oklch(60.4% 0.104 221)
XYZ	xyz(17.8688, 22.9210, 43.0095)
Luminance	0.2292 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8FAD #AD3B1D

analogous

#1DAD83 #1D8FAD #1D47AD

triadic

#1D8FAD #AD1D8F #8FAD1D

tetradic

#1D8FAD #831DAD #AD3B1D #47AD1D

square

#1D8FAD #831DAD #AD3B1D #47AD1D

split-complementary

#1D8FAD #AD1D47 #AD831D

monochromatic

#0B3844 #146479 #1D8FAD #2CB7DC #60C9E4

Accessibility & contrast

On white

3.76

#1D8FAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#1D8FAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8FAD

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8FAD	#FFFFFF	#000000	##000000
##1D8FAD	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8BAF

Deuteranopia (green-blind)

#6B7EAD

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1d8fad;
/* rgb */ color: rgb(29, 143, 173);
/* oklch */ color: oklch(60.4% 0.104 221.0);

Tailwind

colors: {
  custom: {
    50: '#74b0c5',
    500: '#1d8fad',
    950: '#000000',
  },
}

SCSS

$custom: #1d8fad;
$custom-light: #74b0c5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8fad",
  "rgb": {
    "r": 29,
    "g": 143,
    "b": 173
  },
  "hsl": {
    "h": 192.5,
    "s": 71.287,
    "l": 39.608
  },
  "oklch": {
    "l": 0.60398,
    "c": 0.104,
    "h": 221
  },
  "luminance": 0.22923
}

Semantic roles & 50–950 ramp

primary

#1D8FAD

secondary

#C9735D

accent

#5F3AEE

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #1D8FAD

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

Preview Lab → · Contrast checker → · Palette generator →