#1D504B#1D504B

#1D504B is a dark, muted teal. Relative luminance 0.065; OKLCH L 39.5% C 0.055 H 186.4°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D504B
RGB	rgb(29, 80, 75)
HSL	hsl(174, 47%, 21%)
HSV	hsv(174, 64%, 31%)
CMYK	cmyk(63.7%, 0%, 6.2%, 68.6%)
CIE-LAB	lab(30.66, -18.30, -2.15)
CIE-LCH	lch(30.66, 18.42, 186.69°)
OKLab	oklab(39.55% -0.0545 -0.0061)
OKLCH	oklch(39.55% 0.055 186.4)
XYZ	xyz(4.6448, 6.5061, 7.6663)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D504B #501D22

analogous

#1D5032 #1D504B #1D3C50

triadic

#1D504B #4B1D50 #504B1D

tetradic

#1D504B #321D50 #501D22 #3C501D

square

#1D504B #321D50 #501D22 #3C501D

split-complementary

#1D504B #501D3C #50321D

monochromatic

#081615 #0D2321 #1D504B #2D7D75 #3EAA9F

Accessibility & contrast

On white

9.12

#1D504B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1D504B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D504B

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D504B	#FFFFFF	#000000	##FFFFFF
##1D504B	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4C4B

Deuteranopia (green-blind)

#44464C

Tritanopia (blue-blind)

#00524E

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d504b;
/* rgb */ color: rgb(29, 80, 75);
/* oklch */ color: oklch(39.5% 0.055 186.4);

Tailwind

colors: {
  custom: {
    50: '#60817d',
    500: '#1d504b',
    950: '#000000',
  },
}

SCSS

$custom: #1d504b;
$custom-light: #60817d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d504b",
  "rgb": {
    "r": 29,
    "g": 80,
    "b": 75
  },
  "hsl": {
    "h": 174.118,
    "s": 46.789,
    "l": 21.373
  },
  "oklch": {
    "l": 0.39545,
    "c": 0.0548,
    "h": 186.4
  },
  "luminance": 0.06507
}

Semantic roles & 50–950 ramp

primary

#1D504B

secondary

#85444A

accent

#515ED6

background

#F5F7F7

surface

#EAEEEE

border

#C6C9C9

text

#050A09

muted

#797C7B

Preview Lab

Preview with #1D504B

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

Preview Lab → · Contrast checker → · Palette generator →