#1F8199#1F8199

#1F8199 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.0% C 0.093 H 218.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F8199
RGB	rgb(31, 129, 153)
HSL	hsl(192, 66%, 36%)
HSV	hsv(192, 80%, 60%)
CMYK	cmyk(79.7%, 15.7%, 0%, 40%)
CIE-LAB	lab(49.85, -18.74, -20.70)
CIE-LCH	lch(49.85, 27.92, 227.84°)
OKLab	oklab(56.01% -0.0722 -0.0579)
OKLCH	oklch(56.01% 0.093 218.7)
XYZ	xyz(14.1627, 18.2900, 32.9147)
Luminance	0.1829 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8199 #99371F

analogous

#1F9974 #1F8199 #1F4499

triadic

#1F8199 #991F81 #81991F

tetradic

#1F8199 #741F99 #99371F #44991F

square

#1F8199 #741F99 #99371F #44991F

split-complementary

#1F8199 #991F44 #99741F

monochromatic

#0A2B33 #155666 #1F8199 #29ACCC #56C2DD

Accessibility & contrast

On white

4.51

#1F8199 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#1F8199 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8199

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8199	#FFFFFF	#000000	##000000
##1F8199	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#727D9A

Deuteranopia (green-blind)

#627199

Tritanopia (blue-blind)

#008989

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1f8199;
/* rgb */ color: rgb(31, 129, 153);
/* oklch */ color: oklch(56.0% 0.093 218.7);

Tailwind

colors: {
  custom: {
    50: '#70a5b7',
    500: '#1f8199',
    950: '#000000',
  },
}

SCSS

$custom: #1f8199;
$custom-light: #70a5b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8199",
  "rgb": {
    "r": 31,
    "g": 129,
    "b": 153
  },
  "hsl": {
    "h": 191.803,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.56007,
    "c": 0.09252,
    "h": 218.7
  },
  "luminance": 0.18292
}

Semantic roles & 50–950 ramp

primary

#1F8199

secondary

#C06954

accent

#603FE9

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #1F8199

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

Preview Lab → · Contrast checker → · Palette generator →