#1B574D#1B574D

#1B574D is a dark, moderate teal. Relative luminance 0.076; OKLCH L 41.5% C 0.063 H 179.9°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#1B574D
RGB	rgb(27, 87, 77)
HSL	hsl(170, 53%, 22%)
HSV	hsv(170, 69%, 34%)
CMYK	cmyk(69%, 0%, 11.5%, 65.9%)
CIE-LAB	lab(33.10, -21.85, 0.17)
CIE-LCH	lch(33.10, 21.85, 179.56°)
OKLab	oklab(41.54% -0.0633 0.0001)
OKLCH	oklch(41.54% 0.063 179.9)
XYZ	xyz(5.1991, 7.5847, 8.2097)
Luminance	0.0759 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B574D #571B25

analogous

#1B572F #1B574D #1B4357

triadic

#1B574D #4D1B57 #574D1B

tetradic

#1B574D #2F1B57 #571B25 #43571B

square

#1B574D #2F1B57 #571B25 #43571B

split-complementary

#1B574D #571B43 #572F1B

monochromatic

#071715 #0D2824 #1B574D #298676 #38B4A0

Accessibility & contrast

On white

8.34

#1B574D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1B574D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B574D

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B574D	#FFFFFF	#000000	##FFFFFF
##1B574D	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53524D

Deuteranopia (green-blind)

#4A4B4E

Tritanopia (blue-blind)

#005954

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b574d;
/* rgb */ color: rgb(27, 87, 77);
/* oklch */ color: oklch(41.5% 0.063 179.9);

Tailwind

colors: {
  custom: {
    50: '#60877e',
    500: '#1b574d',
    950: '#000000',
  },
}

SCSS

$custom: #1b574d;
$custom-light: #60877e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b574d",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 77
  },
  "hsl": {
    "h": 170,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41536,
    "c": 0.06329,
    "h": 179.9
  },
  "luminance": 0.07585
}

Semantic roles & 50–950 ramp

primary

#1B574D

secondary

#8D414E

accent

#4C64DC

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #1B574D

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

Preview Lab → · Contrast checker → · Palette generator →