#1B757B#1B757B

#1B757B is a mid, moderate teal. Relative luminance 0.144; OKLCH L 51.5% C 0.080 H 201.8°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B757B
RGB	rgb(27, 117, 123)
HSL	hsl(184, 64%, 29%)
HSV	hsv(184, 78%, 48%)
CMYK	cmyk(78%, 4.9%, 0%, 51.8%)
CIE-LAB	lab(44.78, -22.93, -10.70)
CIE-LCH	lch(44.78, 25.30, 205.01°)
OKLab	oklab(51.52% -0.0744 -0.0297)
OKLCH	oklch(51.52% 0.08 201.8)
XYZ	xyz(10.3868, 14.3844, 20.9641)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B757B #7B211B

analogous

#1B7B51 #1B757B #1B457B

triadic

#1B757B #7B1B75 #757B1B

tetradic

#1B757B #511B7B #7B211B #457B1B

square

#1B757B #511B7B #7B211B #457B1B

split-complementary

#1B757B #7B1B45 #7B511B

monochromatic

#061819 #104549 #1B757B #26A5AD #3CCBD4

Accessibility & contrast

On white

5.42

#1B757B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#1B757B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B757B

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B757B	#FFFFFF	#000000	##FFFFFF
##1B757B	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B707B

Deuteranopia (green-blind)

#5E667B

Tritanopia (blue-blind)

#007A77

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1b757b;
/* rgb */ color: rgb(27, 117, 123);
/* oklch */ color: oklch(51.5% 0.080 201.8);

Tailwind

colors: {
  custom: {
    50: '#699da1',
    500: '#1b757b',
    950: '#000000',
  },
}

SCSS

$custom: #1b757b;
$custom-light: #699da1;
$custom-dark: #000000;

JSON

{
  "hex": "#1b757b",
  "rgb": {
    "r": 27,
    "g": 117,
    "b": 123
  },
  "hsl": {
    "h": 183.75,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.51522,
    "c": 0.08014,
    "h": 201.8
  },
  "luminance": 0.14386
}

Semantic roles & 50–950 ramp

primary

#1B757B

secondary

#AF4A43

accent

#4B41E7

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#070E0E

muted

#7A7E7E

Preview Lab

Preview with #1B757B

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

Preview Lab → · Contrast checker → · Palette generator →