#1A583B#1A583B

#1A583B is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.2% C 0.080 H 159.2°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#1A583B
RGB	rgb(26, 88, 59)
HSL	hsl(152, 54%, 22%)
HSV	hsv(152, 70%, 35%)
CMYK	cmyk(70.5%, 0%, 33%, 65.5%)
CIE-LAB	lab(32.95, -27.41, 11.19)
CIE-LCH	lch(32.95, 29.61, 157.79°)
OKLab	oklab(41.25% -0.0747 0.0284)
OKLCH	oklch(41.25% 0.08 159.2)
XYZ	xyz(4.7047, 7.5143, 5.3393)
Luminance	0.0751 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A583B #581A37

analogous

#1A581C #1A583B #1A5658

triadic

#1A583B #3B1A58 #583B1A

tetradic

#1A583B #1C1A58 #581A37 #56581A

square

#1A583B #1C1A58 #581A37 #56581A

split-complementary

#1A583B #581A56 #581C1A

monochromatic

#071810 #0C291B #1A583B #28875B #36B67A

Accessibility & contrast

On white

8.39

#1A583B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#1A583B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A583B

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A583B	#FFFFFF	#000000	##FFFFFF
##1A583B	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575139

Deuteranopia (green-blind)

#4F4B3D

Tritanopia (blue-blind)

#005850

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1a583b;
/* rgb */ color: rgb(26, 88, 59);
/* oklch */ color: oklch(41.2% 0.080 159.2);

Tailwind

colors: {
  custom: {
    50: '#5f8871',
    500: '#1a583b',
    950: '#000000',
  },
}

SCSS

$custom: #1a583b;
$custom-light: #5f8871;
$custom-dark: #000000;

JSON

{
  "hex": "#1a583b",
  "rgb": {
    "r": 26,
    "g": 88,
    "b": 59
  },
  "hsl": {
    "h": 151.935,
    "s": 54.386,
    "l": 22.353
  },
  "oklch": {
    "l": 0.41246,
    "c": 0.07994,
    "h": 159.2
  },
  "luminance": 0.07515
}

Semantic roles & 50–950 ramp

primary

#1A583B

secondary

#8E4064

accent

#4A8FDE

background

#F5F8F6

surface

#EAEFEC

border

#C6CAC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #1A583B

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

Preview Lab → · Contrast checker → · Palette generator →