#1B5E4D#1B5E4D

#1B5E4D is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.5% C 0.072 H 172.5°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#1B5E4D
RGB	rgb(27, 94, 77)
HSL	hsl(165, 55%, 24%)
HSV	hsv(165, 71%, 37%)
CMYK	cmyk(71.3%, 0%, 18.1%, 63.1%)
CIE-LAB	lab(35.54, -25.40, 3.70)
CIE-LCH	lch(35.54, 25.67, 171.71°)
OKLab	oklab(43.53% -0.0716 0.0094)
OKLCH	oklch(43.53% 0.072 172.5)
XYZ	xyz(5.7936, 8.7736, 8.4079)
Luminance	0.0877 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5E4D #5E1B2C

analogous

#1B5E2B #1B5E4D #1B4D5E

triadic

#1B5E4D #4D1B5E #5E4D1B

tetradic

#1B5E4D #2B1B5E #5E1B2C #4D5E1B

square

#1B5E4D #2B1B5E #5E1B2C #4D5E1B

split-complementary

#1B5E4D #5E1B4D #5E2B1B

monochromatic

#071813 #0D2E26 #1B5E4D #298E74 #36BD9B

Accessibility & contrast

On white

7.62

#1B5E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#1B5E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5E4D

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5E4D	#FFFFFF	#000000	##FFFFFF
##1B5E4D	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B584C

Deuteranopia (green-blind)

#52514E

Tritanopia (blue-blind)

#005F59

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1b5e4d;
/* rgb */ color: rgb(27, 94, 77);
/* oklch */ color: oklch(43.5% 0.072 172.5);

Tailwind

colors: {
  custom: {
    50: '#618c7e',
    500: '#1b5e4d',
    950: '#000000',
  },
}

SCSS

$custom: #1b5e4d;
$custom-light: #618c7e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5e4d",
  "rgb": {
    "r": 27,
    "g": 94,
    "b": 77
  },
  "hsl": {
    "h": 164.776,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.43527,
    "c": 0.07225,
    "h": 172.5
  },
  "luminance": 0.08774
}

Semantic roles & 50–950 ramp

primary

#1B5E4D

secondary

#944156

accent

#496FDF

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#050C0A

muted

#7A7D7C

Preview Lab

Preview with #1B5E4D

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

Preview Lab → · Contrast checker → · Palette generator →