#1F504D#1F504D

#1F504D is a dark, muted teal. Relative luminance 0.066; OKLCH L 39.7% C 0.053 H 189.8°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F504D
RGB	rgb(31, 80, 77)
HSL	hsl(176, 44%, 22%)
HSV	hsv(176, 61%, 31%)
CMYK	cmyk(61.2%, 0%, 3.7%, 68.6%)
CIE-LAB	lab(30.79, -17.23, -3.21)
CIE-LCH	lch(30.79, 17.53, 190.56°)
OKLab	oklab(39.7% -0.0521 -0.009)
OKLCH	oklch(39.7% 0.053 189.8)
XYZ	xyz(4.7727, 6.5640, 8.0352)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F504D #501F22

analogous

#1F5035 #1F504D #1F3B50

triadic

#1F504D #4D1F50 #504D1F

tetradic

#1F504D #351F50 #501F22 #3B501F

square

#1F504D #351F50 #501F22 #3B501F

split-complementary

#1F504D #501F3B #50351F

monochromatic

#091615 #0E2423 #1F504D #307C77 #41A8A2

Accessibility & contrast

On white

9.08

#1F504D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1F504D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F504D

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F504D	#FFFFFF	#000000	##FFFFFF
##1F504D	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4C4D

Deuteranopia (green-blind)

#44464D

Tritanopia (blue-blind)

#00524F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f504d;
/* rgb */ color: rgb(31, 80, 77);
/* oklch */ color: oklch(39.7% 0.053 189.8);

Tailwind

colors: {
  custom: {
    50: '#61817e',
    500: '#1f504d',
    950: '#000000',
  },
}

SCSS

$custom: #1f504d;
$custom-light: #61817e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f504d",
  "rgb": {
    "r": 31,
    "g": 80,
    "b": 77
  },
  "hsl": {
    "h": 176.327,
    "s": 44.144,
    "l": 21.765
  },
  "oklch": {
    "l": 0.39699,
    "c": 0.05283,
    "h": 189.8
  },
  "luminance": 0.06564
}

Semantic roles & 50–950 ramp

primary

#1F504D

secondary

#85464A

accent

#545CD4

background

#F5F7F7

surface

#EAEEEE

border

#C6C9C9

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1F504D

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

Preview Lab → · Contrast checker → · Palette generator →