#1B565F#1B565F

#1B565F is a dark, moderate teal. Relative luminance 0.077; OKLCH L 42.0% C 0.061 H 209.4°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#1B565F
RGB	rgb(27, 86, 95)
HSL	hsl(188, 56%, 24%)
HSV	hsv(188, 72%, 37%)
CMYK	cmyk(71.6%, 9.5%, 0%, 62.7%)
CIE-LAB	lab(33.38, -15.50, -10.76)
CIE-LCH	lch(33.38, 18.87, 214.79°)
OKLab	oklab(41.97% -0.0531 -0.0299)
OKLCH	oklch(41.97% 0.061 209.4)
XYZ	xyz(5.8445, 7.7142, 12.0052)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B565F #5F241B

analogous

#1B5F46 #1B565F #1B345F

triadic

#1B565F #5F1B56 #565F1B

tetradic

#1B565F #461B5F #5F241B #345F1B

square

#1B565F #461B5F #5F241B #345F1B

split-complementary

#1B565F #5F1B34 #5F461B

monochromatic

#071618 #0D2B2F #1B565F #29818F #36ACBE

Accessibility & contrast

On white

8.26

#1B565F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#1B565F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B565F

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B565F	#FFFFFF	#000000	##FFFFFF
##1B565F	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5360

Deuteranopia (green-blind)

#444B5F

Tritanopia (blue-blind)

#005A59

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b565f;
/* rgb */ color: rgb(27, 86, 95);
/* oklch */ color: oklch(42.0% 0.061 209.4);

Tailwind

colors: {
  custom: {
    50: '#62858c',
    500: '#1b565f',
    950: '#000000',
  },
}

SCSS

$custom: #1b565f;
$custom-light: #62858c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b565f",
  "rgb": {
    "r": 27,
    "g": 86,
    "b": 95
  },
  "hsl": {
    "h": 187.941,
    "s": 55.738,
    "l": 23.922
  },
  "oklch": {
    "l": 0.41967,
    "c": 0.06095,
    "h": 209.4
  },
  "luminance": 0.07715
}

Semantic roles & 50–950 ramp

primary

#1B565F

secondary

#954C41

accent

#5D49DF

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #1B565F

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

Preview Lab → · Contrast checker → · Palette generator →