#1C819F#1C819F

#1C819F is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.2% C 0.098 H 223.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#1C819F
RGB	rgb(28, 129, 159)
HSL	hsl(194, 70%, 37%)
HSV	hsv(194, 82%, 62%)
CMYK	cmyk(82.4%, 18.9%, 0%, 37.6%)
CIE-LAB	lab(50.04, -16.95, -23.91)
CIE-LCH	lch(50.04, 29.31, 234.66°)
OKLab	oklab(56.23% -0.0708 -0.0671)
OKLCH	oklch(56.23% 0.098 223.4)
XYZ	xyz(14.5845, 18.4488, 35.5865)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C819F #9F3A1C

analogous

#1C9F7B #1C819F #1C409F

triadic

#1C819F #9F1C81 #819F1C

tetradic

#1C819F #7B1C9F #9F3A1C #409F1C

square

#1C819F #7B1C9F #9F3A1C #409F1C

split-complementary

#1C819F #9F1C40 #9F7B1C

monochromatic

#0A2D37 #13576B #1C819F #25ABD3 #54C1E1

Accessibility & contrast

On white

4.48

#1C819F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#1C819F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C819F

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C819F	#FFFFFF	#000000	##000000
##1C819F	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707EA1

Deuteranopia (green-blind)

#5F729F

Tritanopia (blue-blind)

#008A8B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1c819f;
/* rgb */ color: rgb(28, 129, 159);
/* oklch */ color: oklch(56.2% 0.098 223.4);

Tailwind

colors: {
  custom: {
    50: '#70a5bb',
    500: '#1c819f',
    950: '#000000',
  },
}

SCSS

$custom: #1c819f;
$custom-light: #70a5bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c819f",
  "rgb": {
    "r": 28,
    "g": 129,
    "b": 159
  },
  "hsl": {
    "h": 193.74,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.56225,
    "c": 0.09756,
    "h": 223.4
  },
  "luminance": 0.18451
}

Semantic roles & 50–950 ramp

primary

#1C819F

secondary

#C46D53

accent

#643BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1C819F

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

Preview Lab → · Contrast checker → · Palette generator →