#1D8EA8#1D8EA8

#1D8EA8 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 59.9% C 0.101 H 218.1°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#1D8EA8
RGB	rgb(29, 142, 168)
HSL	hsl(191, 71%, 39%)
HSV	hsv(191, 83%, 66%)
CMYK	cmyk(82.7%, 15.5%, 0%, 34.1%)
CIE-LAB	lab(54.48, -20.75, -22.26)
CIE-LCH	lch(54.48, 30.43, 227.02°)
OKLab	oklab(59.92% -0.0795 -0.0623)
OKLCH	oklch(59.92% 0.101 218.1)
XYZ	xyz(17.2446, 22.4322, 40.4592)
Luminance	0.2243 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D8EA8 #A8371D

analogous

#1DA87C #1D8EA8 #1D48A8

triadic

#1D8EA8 #A81D8E #8EA81D

tetradic

#1D8EA8 #7C1DA8 #A8371D #48A81D

square

#1D8EA8 #7C1DA8 #A8371D #48A81D

split-complementary

#1D8EA8 #A81D48 #A87C1D

monochromatic

#0B3640 #146274 #1D8EA8 #28B9DA #5CCAE3

Accessibility & contrast

On white

3.83

#1D8EA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#1D8EA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1D8EA8

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D8EA8	#FFFFFF	#000000	##000000
##1D8EA8	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AA9

Deuteranopia (green-blind)

#6B7DA8

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #1d8ea8;
/* rgb */ color: rgb(29, 142, 168);
/* oklch */ color: oklch(59.9% 0.101 218.1);

Tailwind

colors: {
  custom: {
    50: '#73afc2',
    500: '#1d8ea8',
    950: '#000000',
  },
}

SCSS

$custom: #1d8ea8;
$custom-light: #73afc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d8ea8",
  "rgb": {
    "r": 29,
    "g": 142,
    "b": 168
  },
  "hsl": {
    "h": 191.223,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.59924,
    "c": 0.10102,
    "h": 218.1
  },
  "luminance": 0.22434
}

Semantic roles & 50–950 ramp

primary

#1D8EA8

secondary

#C76E5A

accent

#5C3AED

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #1D8EA8

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

Preview Lab → · Contrast checker → · Palette generator →