#1B553D#1B553D

#1B553D is a dark, moderate teal. Relative luminance 0.071; OKLCH L 40.5% C 0.073 H 162.5°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#1B553D
RGB	rgb(27, 85, 61)
HSL	hsl(155, 52%, 22%)
HSV	hsv(155, 68%, 33%)
CMYK	cmyk(68.2%, 0%, 28.2%, 66.7%)
CIE-LAB	lab(31.96, -25.27, 8.58)
CIE-LCH	lch(31.96, 26.68, 161.24°)
OKLab	oklab(40.46% -0.0694 0.0219)
OKLCH	oklch(40.46% 0.073 162.5)
XYZ	xyz(4.5424, 7.0665, 5.5386)
Luminance	0.0707 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B553D #551B33

analogous

#1B5520 #1B553D #1B5055

triadic

#1B553D #3D1B55 #553D1B

tetradic

#1B553D #201B55 #551B33 #50551B

square

#1B553D #201B55 #551B33 #50551B

split-complementary

#1B553D #551B50 #55201B

monochromatic

#071711 #0C271C #1B553D #2A835E #39B280

Accessibility & contrast

On white

8.70

#1B553D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1B553D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B553D

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B553D	#FFFFFF	#000000	##FFFFFF
##1B553D	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F3C

Deuteranopia (green-blind)

#4C493F

Tritanopia (blue-blind)

#00554E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1b553d;
/* rgb */ color: rgb(27, 85, 61);
/* oklch */ color: oklch(40.5% 0.073 162.5);

Tailwind

colors: {
  custom: {
    50: '#5f8572',
    500: '#1b553d',
    950: '#000000',
  },
}

SCSS

$custom: #1b553d;
$custom-light: #5f8572;
$custom-dark: #000000;

JSON

{
  "hex": "#1b553d",
  "rgb": {
    "r": 27,
    "g": 85,
    "b": 61
  },
  "hsl": {
    "h": 155.172,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.40456,
    "c": 0.07281,
    "h": 162.5
  },
  "luminance": 0.07067
}

Semantic roles & 50–950 ramp

primary

#1B553D

secondary

#8B4160

accent

#4D88DB

background

#F5F8F6

surface

#EAEFEC

border

#C6CAC7

text

#050B08

muted

#797C7B

Preview Lab

Preview with #1B553D

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

Preview Lab → · Contrast checker → · Palette generator →