#1F554F#1F554F

#1F554F is a dark, muted teal. Relative luminance 0.074; OKLCH L 41.2% C 0.058 H 185.2°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F554F
RGB	rgb(31, 85, 79)
HSL	hsl(173, 47%, 23%)
HSV	hsv(173, 64%, 33%)
CMYK	cmyk(63.5%, 0%, 7.1%, 66.7%)
CIE-LAB	lab(32.60, -19.36, -1.82)
CIE-LCH	lch(32.60, 19.44, 185.38°)
OKLab	oklab(41.18% -0.0573 -0.0052)
OKLCH	oklch(41.18% 0.058 185.2)
XYZ	xyz(5.2242, 7.3523, 8.5394)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F554F #551F25

analogous

#1F5534 #1F554F #1F4055

triadic

#1F554F #4F1F55 #554F1F

tetradic

#1F554F #341F55 #551F25 #40551F

square

#1F554F #341F55 #551F25 #40551F

split-complementary

#1F554F #551F40 #55341F

monochromatic

#081615 #0F2825 #1F554F #2F8279 #40AFA2

Accessibility & contrast

On white

8.50

#1F554F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1F554F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F554F

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F554F	#FFFFFF	#000000	##FFFFFF
##1F554F	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504F

Deuteranopia (green-blind)

#484A50

Tritanopia (blue-blind)

#005753

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1f554f;
/* rgb */ color: rgb(31, 85, 79);
/* oklch */ color: oklch(41.2% 0.058 185.2);

Tailwind

colors: {
  custom: {
    50: '#628580',
    500: '#1f554f',
    950: '#000000',
  },
}

SCSS

$custom: #1f554f;
$custom-light: #628580;
$custom-dark: #000000;

JSON

{
  "hex": "#1f554f",
  "rgb": {
    "r": 31,
    "g": 85,
    "b": 79
  },
  "hsl": {
    "h": 173.333,
    "s": 46.552,
    "l": 22.745
  },
  "oklch": {
    "l": 0.41181,
    "c": 0.05757,
    "h": 185.2
  },
  "luminance": 0.07353
}

Semantic roles & 50–950 ramp

primary

#1F554F

secondary

#8A464E

accent

#5260D6

background

#F6F8F7

surface

#EBEFEE

border

#C6CAC9

text

#050B0A

muted

#7A7C7C

Preview Lab

Preview with #1F554F

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

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