#1D8FA8#1D8FA8

#1D8FA8 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.2% C 0.101 H 217.1°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#1D8FA8
RGB	rgb(29, 143, 168)
HSL	hsl(191, 71%, 39%)
HSV	hsv(191, 83%, 66%)
CMYK	cmyk(82.7%, 14.9%, 0%, 34.1%)
CIE-LAB	lab(54.79, -21.27, -21.79)
CIE-LCH	lch(54.79, 30.45, 225.68°)
OKLab	oklab(60.18% -0.0805 -0.0609)
OKLCH	oklch(60.18% 0.101 217.1)
XYZ	xyz(17.3940, 22.7311, 40.5090)
Luminance	0.2273 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8FA8 #A8361D

analogous

#1DA87B #1D8FA8 #1D4AA8

triadic

#1D8FA8 #A81D8F #8FA81D

tetradic

#1D8FA8 #7B1DA8 #A8361D #4AA81D

square

#1D8FA8 #7B1DA8 #A8361D #4AA81D

split-complementary

#1D8FA8 #A81D4A #A87B1D

monochromatic

#0B3640 #146374 #1D8FA8 #28BADA #5CCBE3

Accessibility & contrast

On white

3.79

#1D8FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#1D8FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8FA8

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8FA8	#FFFFFF	#000000	##000000
##1D8FA8	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8BA9

Deuteranopia (green-blind)

#6D7DA8

Tritanopia (blue-blind)

#009897

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1d8fa8;
/* rgb */ color: rgb(29, 143, 168);
/* oklch */ color: oklch(60.2% 0.101 217.1);

Tailwind

colors: {
  custom: {
    50: '#73b0c2',
    500: '#1d8fa8',
    950: '#000000',
  },
}

SCSS

$custom: #1d8fa8;
$custom-light: #73b0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8fa8",
  "rgb": {
    "r": 29,
    "g": 143,
    "b": 168
  },
  "hsl": {
    "h": 190.791,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.60175,
    "c": 0.10095,
    "h": 217.1
  },
  "luminance": 0.22733
}

Semantic roles & 50–950 ramp

primary

#1D8FA8

secondary

#C76D5A

accent

#5B3AED

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #1D8FA8

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

Preview Lab → · Contrast checker → · Palette generator →