#1C8DA4#1C8DA4

#1C8DA4 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.5% C 0.099 H 215.7°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C8DA4
RGB	rgb(28, 141, 164)
HSL	hsl(190, 71%, 38%)
HSV	hsv(190, 83%, 64%)
CMYK	cmyk(82.9%, 14%, 0%, 35.7%)
CIE-LAB	lab(54.00, -21.67, -20.71)
CIE-LCH	lch(54.00, 29.97, 223.70°)
OKLab	oklab(59.48% -0.0805 -0.0579)
OKLCH	oklch(59.48% 0.099 215.7)
XYZ	xyz(16.7017, 21.9748, 38.4761)
Luminance	0.2198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C8DA4 #A4331C

analogous

#1CA477 #1C8DA4 #1C49A4

triadic

#1C8DA4 #A41C8D #8DA41C

tetradic

#1C8DA4 #771CA4 #A4331C #49A41C

square

#1C8DA4 #771CA4 #A4331C #49A41C

split-complementary

#1C8DA4 #A41C49 #A4771C

monochromatic

#0A333B #136070 #1C8DA4 #25BAD8 #58CBE2

Accessibility & contrast

On white

3.89

#1C8DA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#1C8DA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C8DA4

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C8DA4	#FFFFFF	#000000	##000000
##1C8DA4	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D88A5

Deuteranopia (green-blind)

#6C7CA4

Tritanopia (blue-blind)

#009594

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1c8da4;
/* rgb */ color: rgb(28, 141, 164);
/* oklch */ color: oklch(59.5% 0.099 215.7);

Tailwind

colors: {
  custom: {
    50: '#72aebf',
    500: '#1c8da4',
    950: '#000000',
  },
}

SCSS

$custom: #1c8da4;
$custom-light: #72aebf;
$custom-dark: #000000;

JSON

{
  "hex": "#1c8da4",
  "rgb": {
    "r": 28,
    "g": 141,
    "b": 164
  },
  "hsl": {
    "h": 190.147,
    "s": 70.833,
    "l": 37.647
  },
  "oklch": {
    "l": 0.5948,
    "c": 0.09914,
    "h": 215.7
  },
  "luminance": 0.21977
}

Semantic roles & 50–950 ramp

primary

#1C8DA4

secondary

#C66956

accent

#593AEE

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#091012

muted

#7B7F81

Preview Lab

Preview with #1C8DA4

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

Preview Lab → · Contrast checker → · Palette generator →