#1F504F#1F504F

#1F504F is a dark, muted teal. Relative luminance 0.066; OKLCH L 39.8% C 0.052 H 193.4°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#1F504F
RGB	rgb(31, 80, 79)
HSL	hsl(179, 44%, 22%)
HSV	hsv(179, 61%, 31%)
CMYK	cmyk(61.2%, 0%, 1.2%, 68.6%)
CIE-LAB	lab(30.86, -16.60, -4.39)
CIE-LCH	lch(30.86, 17.17, 194.81°)
OKLab	oklab(39.78% -0.051 -0.0122)
OKLCH	oklch(39.78% 0.052 193.4)
XYZ	xyz(4.8444, 6.5927, 8.4128)
Luminance	0.0659 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F504F #501F20

analogous

#1F5037 #1F504F #1F3950

triadic

#1F504F #4F1F50 #504F1F

tetradic

#1F504F #371F50 #501F20 #39501F

square

#1F504F #371F50 #501F20 #39501F

split-complementary

#1F504F #501F39 #50371F

monochromatic

#091616 #0E2423 #1F504F #307C7B #41A8A6

Accessibility & contrast

On white

9.06

#1F504F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#1F504F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F504F

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F504F	#FFFFFF	#000000	##FFFFFF
##1F504F	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4C4F

Deuteranopia (green-blind)

#43464F

Tritanopia (blue-blind)

#005250

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1f504f;
/* rgb */ color: rgb(31, 80, 79);
/* oklch */ color: oklch(39.8% 0.052 193.4);

Tailwind

colors: {
  custom: {
    50: '#618180',
    500: '#1f504f',
    950: '#000000',
  },
}

SCSS

$custom: #1f504f;
$custom-light: #618180;
$custom-dark: #000000;

JSON

{
  "hex": "#1f504f",
  "rgb": {
    "r": 31,
    "g": 80,
    "b": 79
  },
  "hsl": {
    "h": 178.776,
    "s": 44.144,
    "l": 21.765
  },
  "oklch": {
    "l": 0.39777,
    "c": 0.05248,
    "h": 193.4
  },
  "luminance": 0.06593
}

Semantic roles & 50–950 ramp

primary

#1F504F

secondary

#854647

accent

#5457D4

background

#F5F7F7

surface

#EAEEEE

border

#C6C9C9

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1F504F

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

Preview Lab → · Contrast checker → · Palette generator →