#1B757F#1B757F

#1B757F is a mid, moderate teal. Relative luminance 0.145; OKLCH L 51.7% C 0.081 H 206.2°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#1B757F
RGB	rgb(27, 117, 127)
HSL	hsl(186, 65%, 30%)
HSV	hsv(186, 79%, 50%)
CMYK	cmyk(78.7%, 7.9%, 0%, 50.2%)
CIE-LAB	lab(44.92, -21.61, -12.87)
CIE-LCH	lch(44.92, 25.15, 210.78°)
OKLab	oklab(51.69% -0.0726 -0.0358)
OKLCH	oklch(51.69% 0.081 206.2)
XYZ	xyz(10.6424, 14.4866, 22.3099)
Luminance	0.1449 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B757F #7F251B

analogous

#1B7F57 #1B757F #1B437F

triadic

#1B757F #7F1B75 #757F1B

tetradic

#1B757F #571B7F #7F251B #437F1B

square

#1B757F #571B7F #7F251B #437F1B

split-complementary

#1B757F #7F1B43 #7F571B

monochromatic

#06181A #10474D #1B757F #26A3B1 #3EC7D6

Accessibility & contrast

On white

5.39

#1B757F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#1B757F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B757F

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B757F	#FFFFFF	#000000	##FFFFFF
##1B757F	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7080

Deuteranopia (green-blind)

#5D667F

Tritanopia (blue-blind)

#007A78

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1b757f;
/* rgb */ color: rgb(27, 117, 127);
/* oklch */ color: oklch(51.7% 0.081 206.2);

Tailwind

colors: {
  custom: {
    50: '#6a9da4',
    500: '#1b757f',
    950: '#000000',
  },
}

SCSS

$custom: #1b757f;
$custom-light: #6a9da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1b757f",
  "rgb": {
    "r": 27,
    "g": 117,
    "b": 127
  },
  "hsl": {
    "h": 186,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.51686,
    "c": 0.08094,
    "h": 206.2
  },
  "luminance": 0.14488
}

Semantic roles & 50–950 ramp

primary

#1B757F

secondary

#B34E43

accent

#5140E8

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070E0F

muted

#7A7E7F

Preview Lab

Preview with #1B757F

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

Preview Lab → · Contrast checker → · Palette generator →