#11583B#11583B

#11583B is a dark, moderate teal. Relative luminance 0.074; OKLCH L 41.0% C 0.084 H 160.8°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#11583B
RGB	rgb(17, 88, 59)
HSL	hsl(155, 68%, 21%)
HSV	hsv(155, 81%, 35%)
CMYK	cmyk(80.7%, 0%, 33%, 65.5%)
CIE-LAB	lab(32.73, -29.03, 10.86)
CIE-LCH	lch(32.73, 31.00, 159.50°)
OKLab	oklab(41% -0.0791 0.0275)
OKLCH	oklch(41% 0.084 160.8)
XYZ	xyz(4.5098, 7.4138, 5.3302)
Luminance	0.0741 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11583B #58112E

analogous

#115817 #11583B #115158

triadic

#11583B #3B1158 #583B11

tetradic

#11583B #171158 #58112E #515811

square

#11583B #171158 #58112E #515811

split-complementary

#11583B #581151 #581711

monochromatic

#051A11 #072519 #11583B #1B8B5D #25BF80

Accessibility & contrast

On white

8.46

#11583B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#11583B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11583B

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11583B	#FFFFFF	#000000	##FFFFFF
##11583B	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575139

Deuteranopia (green-blind)

#4E4A3D

Tritanopia (blue-blind)

#005850

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #11583b;
/* rgb */ color: rgb(17, 88, 59);
/* oklch */ color: oklch(41.0% 0.084 160.8);

Tailwind

colors: {
  custom: {
    50: '#5c8871',
    500: '#11583b',
    950: '#000000',
  },
}

SCSS

$custom: #11583b;
$custom-light: #5c8871;
$custom-dark: #000000;

JSON

{
  "hex": "#11583b",
  "rgb": {
    "r": 17,
    "g": 88,
    "b": 59
  },
  "hsl": {
    "h": 155.493,
    "s": 67.619,
    "l": 20.588
  },
  "oklch": {
    "l": 0.41003,
    "c": 0.08375,
    "h": 160.8
  },
  "luminance": 0.07414
}

Semantic roles & 50–950 ramp

primary

#11583B

secondary

#91345A

accent

#3D84EA

background

#F5F8F6

surface

#E9F0EC

border

#C5CBC7

text

#040B07

muted

#797C7A

Preview Lab

Preview with #11583B

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

Preview Lab → · Contrast checker → · Palette generator →