#1B5752#1B5752

#1B5752 is a dark, moderate teal. Relative luminance 0.077; OKLCH L 41.7% C 0.061 H 187.3°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#1B5752
RGB	rgb(27, 87, 82)
HSL	hsl(175, 53%, 22%)
HSV	hsv(175, 69%, 34%)
CMYK	cmyk(69%, 0%, 5.7%, 65.9%)
CIE-LAB	lab(33.26, -20.32, -2.75)
CIE-LCH	lch(33.26, 20.51, 187.71°)
OKLab	oklab(41.72% -0.0607 -0.0078)
OKLCH	oklch(41.72% 0.061 187.3)
XYZ	xyz(5.3825, 7.6580, 9.1755)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5752 #571B20

analogous

#1B5734 #1B5752 #1B3E57

triadic

#1B5752 #521B57 #57521B

tetradic

#1B5752 #341B57 #571B20 #3E571B

square

#1B5752 #341B57 #571B20 #3E571B

split-complementary

#1B5752 #571B3E #57341B

monochromatic

#071716 #0D2826 #1B5752 #29867E #38B4AA

Accessibility & contrast

On white

8.29

#1B5752 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1B5752 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5752

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5752	#FFFFFF	#000000	##FFFFFF
##1B5752	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525252

Deuteranopia (green-blind)

#494B53

Tritanopia (blue-blind)

#005955

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5752;
/* rgb */ color: rgb(27, 87, 82);
/* oklch */ color: oklch(41.7% 0.061 187.3);

Tailwind

colors: {
  custom: {
    50: '#608682',
    500: '#1b5752',
    950: '#000000',
  },
}

SCSS

$custom: #1b5752;
$custom-light: #608682;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5752",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 82
  },
  "hsl": {
    "h": 175,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41716,
    "c": 0.06119,
    "h": 187.3
  },
  "luminance": 0.07659
}

Semantic roles & 50–950 ramp

primary

#1B5752

secondary

#8D4147

accent

#4C58DC

background

#F6F8F7

surface

#EBEFEE

border

#C6CAC9

text

#050B0A

muted

#7A7C7C

Preview Lab

Preview with #1B5752

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

Preview Lab → · Contrast checker → · Palette generator →