#1B574B#1B574B

#1B574B is a dark, moderate teal. Relative luminance 0.076; OKLCH L 41.5% C 0.064 H 177.2°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#1B574B
RGB	rgb(27, 87, 75)
HSL	hsl(168, 53%, 22%)
HSV	hsv(168, 69%, 34%)
CMYK	cmyk(69%, 0%, 13.8%, 65.9%)
CIE-LAB	lab(33.04, -22.44, 1.34)
CIE-LCH	lch(33.04, 22.48, 176.59°)
OKLab	oklab(41.47% -0.0643 0.0032)
OKLCH	oklch(41.47% 0.064 177.2)
XYZ	xyz(5.1296, 7.5568, 7.8435)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B574B #571B27

analogous

#1B572D #1B574B #1B4557

triadic

#1B574B #4B1B57 #574B1B

tetradic

#1B574B #2D1B57 #571B27 #45571B

square

#1B574B #2D1B57 #571B27 #45571B

split-complementary

#1B574B #571B45 #572D1B

monochromatic

#071714 #0D2823 #1B574B #298673 #38B49C

Accessibility & contrast

On white

8.36

#1B574B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1B574B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B574B

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B574B	#FFFFFF	#000000	##FFFFFF
##1B574B	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53514A

Deuteranopia (green-blind)

#4B4B4C

Tritanopia (blue-blind)

#005853

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b574b;
/* rgb */ color: rgb(27, 87, 75);
/* oklch */ color: oklch(41.5% 0.064 177.2);

Tailwind

colors: {
  custom: {
    50: '#60877d',
    500: '#1b574b',
    950: '#000000',
  },
}

SCSS

$custom: #1b574b;
$custom-light: #60877d;
$custom-dark: #000000;

JSON

{
  "hex": "#1b574b",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 75
  },
  "hsl": {
    "h": 168,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41467,
    "c": 0.06442,
    "h": 177.2
  },
  "luminance": 0.07557
}

Semantic roles & 50–950 ramp

primary

#1B574B

secondary

#8D4150

accent

#4C69DC

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B09

muted

#797C7B

Preview Lab

Preview with #1B574B

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

Preview Lab → · Contrast checker → · Palette generator →