#1F5B59#1F5B59

#1F5B59 is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.2% C 0.061 H 192.0°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#1F5B59
RGB	rgb(31, 91, 89)
HSL	hsl(178, 49%, 24%)
HSV	hsv(178, 66%, 36%)
CMYK	cmyk(65.9%, 0%, 2.2%, 64.3%)
CIE-LAB	lab(34.99, -19.51, -4.57)
CIE-LCH	lch(34.99, 20.04, 193.18°)
OKLab	oklab(43.23% -0.0596 -0.0127)
OKLCH	oklch(43.23% 0.061 192)
XYZ	xyz(6.1085, 8.4941, 10.7669)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F5B59 #5B1F21

analogous

#1F5B3B #1F5B59 #1F3F5B

triadic

#1F5B59 #591F5B #5B591F

tetradic

#1F5B59 #3B1F5B #5B1F21 #3F5B1F

square

#1F5B59 #3B1F5B #5B1F21 #3F5B1F

split-complementary

#1F5B59 #5B1F3F #5B3B1F

monochromatic

#081716 #0F2D2C #1F5B59 #2F8986 #3EB6B2

Accessibility & contrast

On white

7.78

#1F5B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1F5B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F5B59

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F5B59	#FFFFFF	#000000	##FFFFFF
##1F5B59	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555659

Deuteranopia (green-blind)

#4C4F5A

Tritanopia (blue-blind)

#005E5A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1f5b59;
/* rgb */ color: rgb(31, 91, 89);
/* oklch */ color: oklch(43.2% 0.061 192.0);

Tailwind

colors: {
  custom: {
    50: '#638987',
    500: '#1f5b59',
    950: '#000000',
  },
}

SCSS

$custom: #1f5b59;
$custom-light: #638987;
$custom-dark: #000000;

JSON

{
  "hex": "#1f5b59",
  "rgb": {
    "r": 31,
    "g": 91,
    "b": 89
  },
  "hsl": {
    "h": 178,
    "s": 49.18,
    "l": 23.922
  },
  "oklch": {
    "l": 0.43231,
    "c": 0.06094,
    "h": 192
  },
  "luminance": 0.08495
}

Semantic roles & 50–950 ramp

primary

#1F5B59

secondary

#904649

accent

#4F54D9

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #1F5B59

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

Preview Lab → · Contrast checker → · Palette generator →