#1B585C#1B585C

#1B585C is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.4% C 0.061 H 201.3°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#1B585C
RGB	rgb(27, 88, 92)
HSL	hsl(184, 55%, 23%)
HSV	hsv(184, 71%, 36%)
CMYK	cmyk(70.7%, 4.3%, 0%, 63.9%)
CIE-LAB	lab(33.95, -17.64, -8.02)
CIE-LCH	lch(33.95, 19.37, 204.45°)
OKLab	oklab(42.39% -0.0569 -0.0222)
OKLCH	oklch(42.39% 0.061 201.3)
XYZ	xyz(5.8726, 7.9845, 11.3548)
Luminance	0.0799 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B585C #5C1F1B

analogous

#1B5C3F #1B585C #1B375C

triadic

#1B585C #5C1B58 #585C1B

tetradic

#1B585C #3F1B5C #5C1F1B #375C1B

square

#1B585C #3F1B5C #5C1F1B #375C1B

split-complementary

#1B585C #5C1B37 #5C3F1B

monochromatic

#071718 #0D2B2D #1B585C #29858B #37B3BB

Accessibility & contrast

On white

8.09

#1B585C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#1B585C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B585C

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B585C	#FFFFFF	#000000	##FFFFFF
##1B585C	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51545C

Deuteranopia (green-blind)

#474D5C

Tritanopia (blue-blind)

#005B59

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1b585c;
/* rgb */ color: rgb(27, 88, 92);
/* oklch */ color: oklch(42.4% 0.061 201.3);

Tailwind

colors: {
  custom: {
    50: '#62878a',
    500: '#1b585c',
    950: '#000000',
  },
}

SCSS

$custom: #1b585c;
$custom-light: #62878a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b585c",
  "rgb": {
    "r": 27,
    "g": 88,
    "b": 92
  },
  "hsl": {
    "h": 183.692,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.4239,
    "c": 0.06107,
    "h": 201.3
  },
  "luminance": 0.07985
}

Semantic roles & 50–950 ramp

primary

#1B585C

secondary

#924641

accent

#534ADE

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #1B585C

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

Preview Lab → · Contrast checker → · Palette generator →