#1F737F#1F737F

#1F737F is a mid, moderate teal. Relative luminance 0.141; OKLCH L 51.2% C 0.079 H 209.0°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F737F
RGB	rgb(31, 115, 127)
HSL	hsl(188, 61%, 31%)
HSV	hsv(188, 76%, 50%)
CMYK	cmyk(75.6%, 9.4%, 0%, 50.2%)
CIE-LAB	lab(44.35, -20.04, -13.72)
CIE-LCH	lch(44.35, 24.29, 214.41°)
OKLab	oklab(51.25% -0.0688 -0.0382)
OKLCH	oklch(51.25% 0.079 209)
XYZ	xyz(10.5249, 14.0838, 22.2383)
Luminance	0.1409 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F737F #7F2B1F

analogous

#1F7F5B #1F737F #1F437F

triadic

#1F737F #7F1F73 #737F1F

tetradic

#1F737F #5B1F7F #7F2B1F #437F1F

square

#1F737F #5B1F7F #7F2B1F #437F1F

split-complementary

#1F737F #7F1F43 #7F5B1F

monochromatic

#071A1D #13464E #1F737F #2BA0B0 #46C1D2

Accessibility & contrast

On white

5.50

#1F737F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#1F737F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F737F

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F737F	#FFFFFF	#000000	##FFFFFF
##1F737F	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#686E80

Deuteranopia (green-blind)

#5B657F

Tritanopia (blue-blind)

#007977

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #1f737f;
/* rgb */ color: rgb(31, 115, 127);
/* oklch */ color: oklch(51.2% 0.079 209.0);

Tailwind

colors: {
  custom: {
    50: '#6b9ba4',
    500: '#1f737f',
    950: '#000000',
  },
}

SCSS

$custom: #1f737f;
$custom-light: #6b9ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f737f",
  "rgb": {
    "r": 31,
    "g": 115,
    "b": 127
  },
  "hsl": {
    "h": 187.5,
    "s": 60.759,
    "l": 30.98
  },
  "oklch": {
    "l": 0.51249,
    "c": 0.0787,
    "h": 209
  },
  "luminance": 0.14085
}

Semantic roles & 50–950 ramp

primary

#1F737F

secondary

#B25548

accent

#5844E4

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080E0F

muted

#7A7E7F

Preview Lab

Preview with #1F737F

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

Preview Lab → · Contrast checker → · Palette generator →