#1F999F#1F999F

#1F999F is a light, moderate teal. Relative luminance 0.256; OKLCH L 62.4% C 0.100 H 200.1°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F999F
RGB	rgb(31, 153, 159)
HSL	hsl(183, 67%, 37%)
HSV	hsv(183, 81%, 62%)
CMYK	cmyk(80.5%, 3.8%, 0%, 37.6%)
CIE-LAB	lab(57.63, -29.12, -12.33)
CIE-LCH	lch(57.63, 31.62, 202.94°)
OKLab	oklab(62.37% -0.0935 -0.0343)
OKLCH	oklch(62.37% 0.1 200.1)
XYZ	xyz(18.2115, 25.5747, 36.7707)
Luminance	0.2558 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F999F #9F251F

analogous

#1F9F65 #1F999F #1F599F

triadic

#1F999F #9F1F99 #999F1F

tetradic

#1F999F #651F9F #9F251F #599F1F

square

#1F999F #651F9F #9F251F #599F1F

split-complementary

#1F999F #9F1F59 #9F651F

monochromatic

#0B3639 #15686C #1F999F #29CAD2 #5AD9DF

Accessibility & contrast

On white

3.43

#1F999F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#1F999F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F999F

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F999F	#FFFFFF	#000000	##000000
##1F999F	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D92A0

Deuteranopia (green-blind)

#7C85A0

Tritanopia (blue-blind)

#009F9B

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1f999f;
/* rgb */ color: rgb(31, 153, 159);
/* oklch */ color: oklch(62.4% 0.100 200.1);

Tailwind

colors: {
  custom: {
    50: '#74b7bb',
    500: '#1f999f',
    950: '#000000',
  },
}

SCSS

$custom: #1f999f;
$custom-light: #74b7bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1f999f",
  "rgb": {
    "r": 31,
    "g": 153,
    "b": 159
  },
  "hsl": {
    "h": 182.813,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.6237,
    "c": 0.09963,
    "h": 200.1
  },
  "luminance": 0.25577
}

Semantic roles & 50–950 ramp

primary

#1F999F

secondary

#C35C57

accent

#463EEA

background

#F7FBFB

surface

#EEF6F6

border

#C9D0D0

text

#0A1111

muted

#7C8080

Preview Lab

Preview with #1F999F

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

Preview Lab → · Contrast checker → · Palette generator →