#1C839F#1C839F

#1C839F is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 56.7% C 0.097 H 221.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#1C839F
RGB	rgb(28, 131, 159)
HSL	hsl(193, 70%, 37%)
HSV	hsv(193, 82%, 62%)
CMYK	cmyk(82.4%, 17.6%, 0%, 37.6%)
CIE-LAB	lab(50.66, -18.05, -22.94)
CIE-LCH	lch(50.66, 29.19, 231.81°)
OKLab	oklab(56.73% -0.0728 -0.0643)
OKLCH	oklch(56.73% 0.097 221.5)
XYZ	xyz(14.8506, 18.9808, 35.6751)
Luminance	0.1898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C839F #9F381C

analogous

#1C9F79 #1C839F #1C429F

triadic

#1C839F #9F1C83 #839F1C

tetradic

#1C839F #791C9F #9F381C #429F1C

square

#1C839F #791C9F #9F381C #429F1C

split-complementary

#1C839F #9F1C42 #9F791C

monochromatic

#0A2D37 #13586B #1C839F #25AED3 #54C3E1

Accessibility & contrast

On white

4.38

#1C839F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#1C839F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1C839F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C839F	#FFFFFF	#000000	##000000
##1C839F	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7280A0

Deuteranopia (green-blind)

#61739F

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1c839f;
/* rgb */ color: rgb(28, 131, 159);
/* oklch */ color: oklch(56.7% 0.097 221.5);

Tailwind

colors: {
  custom: {
    50: '#70a7bb',
    500: '#1c839f',
    950: '#000000',
  },
}

SCSS

$custom: #1c839f;
$custom-light: #70a7bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c839f",
  "rgb": {
    "r": 28,
    "g": 131,
    "b": 159
  },
  "hsl": {
    "h": 192.824,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.5673,
    "c": 0.09712,
    "h": 221.5
  },
  "luminance": 0.18983
}

Semantic roles & 50–950 ramp

primary

#1C839F

secondary

#C46B53

accent

#613BED

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1C839F

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

Preview Lab → · Contrast checker → · Palette generator →