#1B717F#1B717F

#1B717F is a mid, moderate teal. Relative luminance 0.136; OKLCH L 50.6% C 0.080 H 211.2°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B717F
RGB	rgb(27, 113, 127)
HSL	hsl(188, 65%, 30%)
HSV	hsv(188, 79%, 50%)
CMYK	cmyk(78.7%, 11%, 0%, 50.2%)
CIE-LAB	lab(43.62, -19.47, -14.85)
CIE-LCH	lch(43.62, 24.49, 217.34°)
OKLab	oklab(50.63% -0.0684 -0.0414)
OKLCH	oklch(50.63% 0.08 211.2)
XYZ	xyz(10.1862, 13.5743, 22.1578)
Luminance	0.1358 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B717F #7F291B

analogous

#1B7F5B #1B717F #1B3F7F

triadic

#1B717F #7F1B71 #717F1B

tetradic

#1B717F #5B1B7F #7F291B #3F7F1B

square

#1B717F #5B1B7F #7F291B #3F7F1B

split-complementary

#1B717F #7F1B3F #7F5B1B

monochromatic

#06171A #10444D #1B717F #269EB1 #3EC1D6

Accessibility & contrast

On white

5.65

#1B717F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#1B717F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B717F

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B717F	#FFFFFF	#000000	##FFFFFF
##1B717F	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#666D80

Deuteranopia (green-blind)

#58637F

Tritanopia (blue-blind)

#007775

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #1b717f;
/* rgb */ color: rgb(27, 113, 127);
/* oklch */ color: oklch(50.6% 0.080 211.2);

Tailwind

colors: {
  custom: {
    50: '#699aa4',
    500: '#1b717f',
    950: '#000000',
  },
}

SCSS

$custom: #1b717f;
$custom-light: #699aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b717f",
  "rgb": {
    "r": 27,
    "g": 113,
    "b": 127
  },
  "hsl": {
    "h": 188.4,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.5063,
    "c": 0.07993,
    "h": 211.2
  },
  "luminance": 0.13576
}

Semantic roles & 50–950 ramp

primary

#1B717F

secondary

#B35343

accent

#5740E8

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070E0F

muted

#7A7E7F

Preview Lab

Preview with #1B717F

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

Preview Lab → · Contrast checker → · Palette generator →