#1F504E#1F504E

#1F504E is a dark, muted teal. Relative luminance 0.066; OKLCH L 39.7% C 0.053 H 191.6°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#1F504E
RGB	rgb(31, 80, 78)
HSL	hsl(178, 44%, 22%)
HSV	hsv(178, 61%, 31%)
CMYK	cmyk(61.2%, 0%, 2.5%, 68.6%)
CIE-LAB	lab(30.83, -16.92, -3.80)
CIE-LCH	lch(30.83, 17.34, 192.66°)
OKLab	oklab(39.74% -0.0515 -0.0106)
OKLCH	oklch(39.74% 0.053 191.6)
XYZ	xyz(4.8083, 6.5782, 8.2226)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F504E #501F21

analogous

#1F5036 #1F504E #1F3A50

triadic

#1F504E #4E1F50 #504E1F

tetradic

#1F504E #361F50 #501F21 #3A501F

square

#1F504E #361F50 #501F21 #3A501F

split-complementary

#1F504E #501F3A #50361F

monochromatic

#091616 #0E2423 #1F504E #307C79 #41A8A4

Accessibility & contrast

On white

9.07

#1F504E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1F504E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F504E

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F504E	#FFFFFF	#000000	##FFFFFF
##1F504E	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4C4E

Deuteranopia (green-blind)

#43464E

Tritanopia (blue-blind)

#00524F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f504e;
/* rgb */ color: rgb(31, 80, 78);
/* oklch */ color: oklch(39.7% 0.053 191.6);

Tailwind

colors: {
  custom: {
    50: '#61817f',
    500: '#1f504e',
    950: '#000000',
  },
}

SCSS

$custom: #1f504e;
$custom-light: #61817f;
$custom-dark: #000000;

JSON

{
  "hex": "#1f504e",
  "rgb": {
    "r": 31,
    "g": 80,
    "b": 78
  },
  "hsl": {
    "h": 177.551,
    "s": 44.144,
    "l": 21.765
  },
  "oklch": {
    "l": 0.39738,
    "c": 0.05262,
    "h": 191.6
  },
  "luminance": 0.06579
}

Semantic roles & 50–950 ramp

primary

#1F504E

secondary

#854649

accent

#5459D4

background

#F5F7F7

surface

#EAEEEE

border

#C6C9C9

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1F504E

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

Preview Lab → · Contrast checker → · Palette generator →