#1B574F#1B574F

#1B574F is a dark, moderate teal. Relative luminance 0.076; OKLCH L 41.6% C 0.062 H 182.8°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#1B574F
RGB	rgb(27, 87, 79)
HSL	hsl(172, 53%, 22%)
HSV	hsv(172, 69%, 34%)
CMYK	cmyk(69%, 0%, 9.2%, 65.9%)
CIE-LAB	lab(33.16, -21.24, -1.00)
CIE-LCH	lch(33.16, 21.27, 182.70°)
OKLab	oklab(41.61% -0.0622 -0.0031)
OKLCH	oklch(41.61% 0.062 182.8)
XYZ	xyz(5.2708, 7.6133, 8.5874)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B574F #571B23

analogous

#1B5731 #1B574F #1B4157

triadic

#1B574F #4F1B57 #574F1B

tetradic

#1B574F #311B57 #571B23 #41571B

square

#1B574F #311B57 #571B23 #41571B

split-complementary

#1B574F #571B41 #57311B

monochromatic

#071715 #0D2825 #1B574F #298679 #38B4A4

Accessibility & contrast

On white

8.32

#1B574F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1B574F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B574F

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B574F	#FFFFFF	#000000	##FFFFFF
##1B574F	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53524F

Deuteranopia (green-blind)

#4A4B50

Tritanopia (blue-blind)

#005954

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b574f;
/* rgb */ color: rgb(27, 87, 79);
/* oklch */ color: oklch(41.6% 0.062 182.8);

Tailwind

colors: {
  custom: {
    50: '#608780',
    500: '#1b574f',
    950: '#000000',
  },
}

SCSS

$custom: #1b574f;
$custom-light: #608780;
$custom-dark: #000000;

JSON

{
  "hex": "#1b574f",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 79
  },
  "hsl": {
    "h": 172,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41606,
    "c": 0.06231,
    "h": 182.8
  },
  "luminance": 0.07614
}

Semantic roles & 50–950 ramp

primary

#1B574F

secondary

#8D414B

accent

#4C5FDC

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #1B574F

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

Preview Lab → · Contrast checker → · Palette generator →