#1D5D5B#1D5D5B

#1D5D5B is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.8% C 0.064 H 192.1°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#1D5D5B
RGB	rgb(29, 93, 91)
HSL	hsl(178, 52%, 24%)
HSV	hsv(178, 69%, 36%)
CMYK	cmyk(68.8%, 0%, 2.2%, 63.5%)
CIE-LAB	lab(35.68, -20.33, -4.80)
CIE-LCH	lch(35.68, 20.89, 193.27°)
OKLab	oklab(43.8% -0.0621 -0.0133)
OKLCH	oklch(43.8% 0.064 192.1)
XYZ	xyz(6.3085, 8.8445, 11.2702)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5D5B #5D1D1F

analogous

#1D5D3B #1D5D5B #1D3F5D

triadic

#1D5D5B #5B1D5D #5D5B1D

tetradic

#1D5D5B #3B1D5D #5D1D1F #3F5D1D

square

#1D5D5B #3B1D5D #5D1D1F #3F5D1D

split-complementary

#1D5D5B #5D1D3F #5D3B1D

monochromatic

#071717 #0E2E2D #1D5D5B #2C8C89 #3ABAB6

Accessibility & contrast

On white

7.58

#1D5D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#1D5D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D5D5B

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5D5B	#FFFFFF	#000000	##FFFFFF
##1D5D5B	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57585B

Deuteranopia (green-blind)

#4D515C

Tritanopia (blue-blind)

#00605C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1d5d5b;
/* rgb */ color: rgb(29, 93, 91);
/* oklch */ color: oklch(43.8% 0.064 192.1);

Tailwind

colors: {
  custom: {
    50: '#638b89',
    500: '#1d5d5b',
    950: '#000000',
  },
}

SCSS

$custom: #1d5d5b;
$custom-light: #638b89;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5d5b",
  "rgb": {
    "r": 29,
    "g": 93,
    "b": 91
  },
  "hsl": {
    "h": 178.125,
    "s": 52.459,
    "l": 23.922
  },
  "oklch": {
    "l": 0.43797,
    "c": 0.06356,
    "h": 192.1
  },
  "luminance": 0.08845
}

Semantic roles & 50–950 ramp

primary

#1D5D5B

secondary

#924446

accent

#4C50DC

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #1D5D5B

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

Preview Lab → · Contrast checker → · Palette generator →