#1B565A#1B565A

#1B565A is a dark, muted teal. Relative luminance 0.076; OKLCH L 41.8% C 0.060 H 201.5°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#1B565A
RGB	rgb(27, 86, 90)
HSL	hsl(184, 54%, 23%)
HSV	hsv(184, 70%, 35%)
CMYK	cmyk(70%, 4.4%, 0%, 64.7%)
CIE-LAB	lab(33.19, -17.19, -7.90)
CIE-LCH	lch(33.19, 18.92, 204.68°)
OKLab	oklab(41.75% -0.0555 -0.0219)
OKLCH	oklch(41.75% 0.06 201.5)
XYZ	xyz(5.6244, 7.6262, 10.8465)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B565A #5A1F1B

analogous

#1B5A3F #1B565A #1B365A

triadic

#1B565A #5A1B56 #565A1B

tetradic

#1B565A #3F1B5A #5A1F1B #365A1B

square

#1B565A #3F1B5A #5A1F1B #365A1B

split-complementary

#1B565A #5A1B36 #5A3F1B

monochromatic

#071618 #0D292B #1B565A #298389 #37B0B8

Accessibility & contrast

On white

8.32

#1B565A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1B565A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B565A

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B565A	#FFFFFF	#000000	##FFFFFF
##1B565A	1.00	8.32	2.53	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F525A

Deuteranopia (green-blind)

#464B5A

Tritanopia (blue-blind)

#005957

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b565a;
/* rgb */ color: rgb(27, 86, 90);
/* oklch */ color: oklch(41.8% 0.060 201.5);

Tailwind

colors: {
  custom: {
    50: '#618688',
    500: '#1b565a',
    950: '#000000',
  },
}

SCSS

$custom: #1b565a;
$custom-light: #618688;
$custom-dark: #000000;

JSON

{
  "hex": "#1b565a",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 90
  },
  "hsl": {
    "h": 183.81,
    "s": 53.846,
    "l": 22.941
  },
  "oklch": {
    "l": 0.41753,
    "c": 0.05966,
    "h": 201.5
  },
  "luminance": 0.07627
}

Semantic roles & 50–950 ramp

primary

#1B565A

secondary

#904641

accent

#544BDD

background

#F6F8F8

surface

#EBEFEF

border

#C6CACA

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #1B565A

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

Preview Lab → · Contrast checker → · Palette generator →