#1B5F4E#1B5F4E

#1B5F4E is a dark, moderate teal. Relative luminance 0.090; OKLCH L 43.8% C 0.073 H 172.8°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#1B5F4E
RGB	rgb(27, 95, 78)
HSL	hsl(165, 56%, 24%)
HSV	hsv(165, 72%, 37%)
CMYK	cmyk(71.6%, 0%, 17.9%, 62.7%)
CIE-LAB	lab(35.92, -25.61, 3.62)
CIE-LCH	lch(35.92, 25.87, 171.95°)
OKLab	oklab(43.84% -0.0723 0.0092)
OKLCH	oklch(43.84% 0.073 172.8)
XYZ	xyz(5.9187, 8.9668, 8.6251)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5F4E #5F1B2C

analogous

#1B5F2C #1B5F4E #1B4E5F

triadic

#1B5F4E #4E1B5F #5F4E1B

tetradic

#1B5F4E #2C1B5F #5F1B2C #4E5F1B

square

#1B5F4E #2C1B5F #5F1B2C #4E5F1B

split-complementary

#1B5F4E #5F1B4E #5F2C1B

monochromatic

#071814 #0D2F27 #1B5F4E #298F75 #36BE9C

Accessibility & contrast

On white

7.52

#1B5F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#1B5F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5F4E

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5F4E	#FFFFFF	#000000	##FFFFFF
##1B5F4E	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C594D

Deuteranopia (green-blind)

#52524F

Tritanopia (blue-blind)

#00605A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1b5f4e;
/* rgb */ color: rgb(27, 95, 78);
/* oklch */ color: oklch(43.8% 0.073 172.8);

Tailwind

colors: {
  custom: {
    50: '#618d7f',
    500: '#1b5f4e',
    950: '#000000',
  },
}

SCSS

$custom: #1b5f4e;
$custom-light: #618d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5f4e",
  "rgb": {
    "r": 27,
    "g": 95,
    "b": 78
  },
  "hsl": {
    "h": 165,
    "s": 55.738,
    "l": 23.922
  },
  "oklch": {
    "l": 0.43843,
    "c": 0.07286,
    "h": 172.8
  },
  "luminance": 0.08967
}

Semantic roles & 50–950 ramp

primary

#1B5F4E

secondary

#954156

accent

#496EDF

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#050C0A

muted

#7A7D7C

Preview Lab

Preview with #1B5F4E

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

Preview Lab → · Contrast checker → · Palette generator →