#1F839C#1F839C

#1F839C is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.6% C 0.094 H 219.2°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F839C
RGB	rgb(31, 131, 156)
HSL	hsl(192, 67%, 37%)
HSV	hsv(192, 80%, 61%)
CMYK	cmyk(80.1%, 16%, 0%, 38.8%)
CIE-LAB	lab(50.60, -18.79, -21.30)
CIE-LCH	lch(50.60, 28.40, 228.58°)
OKLab	oklab(56.65% -0.0729 -0.0596)
OKLCH	oklch(56.65% 0.094 219.2)
XYZ	xyz(14.6796, 18.9224, 34.3247)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F839C #9C381F

analogous

#1F9C77 #1F839C #1F459C

triadic

#1F839C #9C1F83 #839C1F

tetradic

#1F839C #771F9C #9C381F #459C1F

square

#1F839C #771F9C #9C381F #459C1F

split-complementary

#1F839C #9C1F45 #9C771F

monochromatic

#0B2D36 #155869 #1F839C #29AECF #58C3DE

Accessibility & contrast

On white

4.39

#1F839C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#1F839C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F839C

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F839C	#FFFFFF	#000000	##000000
##1F839C	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737F9D

Deuteranopia (green-blind)

#63739C

Tritanopia (blue-blind)

#008B8B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f839c;
/* rgb */ color: rgb(31, 131, 156);
/* oklch */ color: oklch(56.6% 0.094 219.2);

Tailwind

colors: {
  custom: {
    50: '#71a7b9',
    500: '#1f839c',
    950: '#000000',
  },
}

SCSS

$custom: #1f839c;
$custom-light: #71a7b9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f839c",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 156
  },
  "hsl": {
    "h": 192,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.5665,
    "c": 0.09418,
    "h": 219.2
  },
  "luminance": 0.18924
}

Semantic roles & 50–950 ramp

primary

#1F839C

secondary

#C16B55

accent

#603EEA

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1F839C

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

Preview Lab → · Contrast checker → · Palette generator →