#1B574C#1B574C

#1B574C is a dark, moderate teal. Relative luminance 0.076; OKLCH L 41.5% C 0.064 H 178.5°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#1B574C
RGB	rgb(27, 87, 76)
HSL	hsl(169, 53%, 22%)
HSV	hsv(169, 69%, 34%)
CMYK	cmyk(69%, 0%, 12.6%, 65.9%)
CIE-LAB	lab(33.07, -22.14, 0.75)
CIE-LCH	lch(33.07, 22.16, 178.05°)
OKLab	oklab(41.5% -0.0638 0.0017)
OKLCH	oklch(41.5% 0.064 178.5)
XYZ	xyz(5.1641, 7.5706, 8.0252)
Luminance	0.0757 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B574C #571B26

analogous

#1B572E #1B574C #1B4457

triadic

#1B574C #4C1B57 #574C1B

tetradic

#1B574C #2E1B57 #571B26 #44571B

square

#1B574C #2E1B57 #571B26 #44571B

split-complementary

#1B574C #571B44 #572E1B

monochromatic

#071714 #0D2823 #1B574C #298675 #38B49E

Accessibility & contrast

On white

8.35

#1B574C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1B574C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B574C

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B574C	#FFFFFF	#000000	##FFFFFF
##1B574C	1.00	8.35	2.51	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53524C

Deuteranopia (green-blind)

#4B4B4D

Tritanopia (blue-blind)

#005854

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b574c;
/* rgb */ color: rgb(27, 87, 76);
/* oklch */ color: oklch(41.5% 0.064 178.5);

Tailwind

colors: {
  custom: {
    50: '#60877e',
    500: '#1b574c',
    950: '#000000',
  },
}

SCSS

$custom: #1b574c;
$custom-light: #60877e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b574c",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 76
  },
  "hsl": {
    "h": 169,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41501,
    "c": 0.06383,
    "h": 178.5
  },
  "luminance": 0.07571
}

Semantic roles & 50–950 ramp

primary

#1B574C

secondary

#8D414F

accent

#4C66DC

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B09

muted

#797C7B

Preview Lab

Preview with #1B574C

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

Preview Lab → · Contrast checker → · Palette generator →