#1F839A#1F839A

#1F839A is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.6% C 0.093 H 217.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F839A
RGB	rgb(31, 131, 154)
HSL	hsl(191, 66%, 36%)
HSV	hsv(191, 80%, 60%)
CMYK	cmyk(79.9%, 14.9%, 0%, 39.6%)
CIE-LAB	lab(50.52, -19.48, -20.25)
CIE-LCH	lch(50.52, 28.10, 226.12°)
OKLab	oklab(56.56% -0.0738 -0.0566)
OKLCH	oklch(56.56% 0.093 217.5)
XYZ	xyz(14.5116, 18.8552, 33.4402)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F839A #9A361F

analogous

#1F9A74 #1F839A #1F469A

triadic

#1F839A #9A1F83 #839A1F

tetradic

#1F839A #741F9A #9A361F #469A1F

square

#1F839A #741F9A #9A361F #469A1F

split-complementary

#1F839A #9A1F46 #9A741F

monochromatic

#0A2C34 #155867 #1F839A #29AECD #56C4DD

Accessibility & contrast

On white

4.40

#1F839A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#1F839A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F839A

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F839A	#FFFFFF	#000000	##000000
##1F839A	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747F9B

Deuteranopia (green-blind)

#64739A

Tritanopia (blue-blind)

#008B8A

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1f839a;
/* rgb */ color: rgb(31, 131, 154);
/* oklch */ color: oklch(56.6% 0.093 217.5);

Tailwind

colors: {
  custom: {
    50: '#70a7b7',
    500: '#1f839a',
    950: '#000000',
  },
}

SCSS

$custom: #1f839a;
$custom-light: #70a7b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f839a",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 154
  },
  "hsl": {
    "h": 191.22,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.5656,
    "c": 0.09298,
    "h": 217.5
  },
  "luminance": 0.18857
}

Semantic roles & 50–950 ramp

primary

#1F839A

secondary

#C16854

accent

#5E3EE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1F839A

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

Preview Lab → · Contrast checker → · Palette generator →