#1A5B59#1A5B59

#1A5B59 is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.1% C 0.064 H 192.1°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#1A5B59
RGB	rgb(26, 91, 89)
HSL	hsl(178, 56%, 23%)
HSV	hsv(178, 71%, 36%)
CMYK	cmyk(71.4%, 0%, 2.2%, 64.3%)
CIE-LAB	lab(34.85, -20.42, -4.80)
CIE-LCH	lch(34.85, 20.98, 193.22°)
OKLab	oklab(43.07% -0.0624 -0.0134)
OKLCH	oklch(43.07% 0.064 192.1)
XYZ	xyz(5.9694, 8.4224, 10.7603)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5B59 #5B1A1C

analogous

#1A5B38 #1A5B59 #1A3C5B

triadic

#1A5B59 #591A5B #5B591A

tetradic

#1A5B59 #381A5B #5B1A1C #3C5B1A

square

#1A5B59 #381A5B #5B1A1C #3C5B1A

split-complementary

#1A5B59 #5B1A3C #5B381A

monochromatic

#071817 #0C2B2A #1A5B59 #288B88 #35BAB6

Accessibility & contrast

On white

7.82

#1A5B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1A5B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A5B59

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5B59	#FFFFFF	#000000	##FFFFFF
##1A5B59	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555659

Deuteranopia (green-blind)

#4B4F5A

Tritanopia (blue-blind)

#005E5A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1a5b59;
/* rgb */ color: rgb(26, 91, 89);
/* oklch */ color: oklch(43.1% 0.064 192.1);

Tailwind

colors: {
  custom: {
    50: '#618987',
    500: '#1a5b59',
    950: '#000000',
  },
}

SCSS

$custom: #1a5b59;
$custom-light: #618987;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5b59",
  "rgb": {
    "r": 26,
    "g": 91,
    "b": 89
  },
  "hsl": {
    "h": 178.154,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.43074,
    "c": 0.06383,
    "h": 192.1
  },
  "luminance": 0.08423
}

Semantic roles & 50–950 ramp

primary

#1A5B59

secondary

#914042

accent

#494EDF

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #1A5B59

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

Preview Lab → · Contrast checker → · Palette generator →