#1B575E#1B575E

#1B575E is a dark, moderate teal. Relative luminance 0.079; OKLCH L 42.2% C 0.061 H 206.1°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#1B575E
RGB	rgb(27, 87, 94)
HSL	hsl(186, 55%, 24%)
HSV	hsv(186, 71%, 37%)
CMYK	cmyk(71.3%, 7.4%, 0%, 63.1%)
CIE-LAB	lab(33.68, -16.40, -9.68)
CIE-LCH	lch(33.68, 19.05, 210.54°)
OKLab	oklab(42.2% -0.0547 -0.0268)
OKLCH	oklch(42.2% 0.061 206.1)
XYZ	xyz(5.8797, 7.8569, 11.7942)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B575E #5E221B

analogous

#1B5E43 #1B575E #1B355E

triadic

#1B575E #5E1B57 #575E1B

tetradic

#1B575E #431B5E #5E221B #355E1B

square

#1B575E #431B5E #5E221B #355E1B

split-complementary

#1B575E #5E1B35 #5E431B

monochromatic

#071618 #0D2B2E #1B575E #29838E #36AFBD

Accessibility & contrast

On white

8.17

#1B575E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#1B575E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B575E

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B575E	#FFFFFF	#000000	##FFFFFF
##1B575E	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F535E

Deuteranopia (green-blind)

#464C5E

Tritanopia (blue-blind)

#005B59

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1b575e;
/* rgb */ color: rgb(27, 87, 94);
/* oklch */ color: oklch(42.2% 0.061 206.1);

Tailwind

colors: {
  custom: {
    50: '#62868b',
    500: '#1b575e',
    950: '#000000',
  },
}

SCSS

$custom: #1b575e;
$custom-light: #62868b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b575e",
  "rgb": {
    "r": 27,
    "g": 87,
    "b": 94
  },
  "hsl": {
    "h": 186.269,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.42199,
    "c": 0.06098,
    "h": 206.1
  },
  "luminance": 0.07858
}

Semantic roles & 50–950 ramp

primary

#1B575E

secondary

#944A41

accent

#5949DF

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #1B575E

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

Preview Lab → · Contrast checker → · Palette generator →