#183E2F#183E2F

#183E2F is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.1% C 0.051 H 165.0°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#183E2F
RGB	rgb(24, 62, 47)
HSL	hsl(156, 44%, 17%)
HSV	hsv(156, 61%, 24%)
CMYK	cmyk(61.3%, 0%, 24.2%, 75.7%)
CIE-LAB	lab(23.15, -17.86, 5.19)
CIE-LCH	lch(23.15, 18.60, 163.81°)
OKLab	oklab(33.12% -0.0496 0.0133)
OKLCH	oklch(33.12% 0.051 165)
XYZ	xyz(2.6122, 3.8444, 3.2932)
Luminance	0.0384 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183E2F #3E1827

analogous

#183E1C #183E2F #183A3E

triadic

#183E2F #2F183E #3E2F18

tetradic

#183E2F #1C183E #3E1827 #3A3E18

square

#183E2F #1C183E #3E1827 #3A3E18

split-complementary

#183E2F #3E183A #3E1C18

monochromatic

#091611 #091611 #183E2F #296A50 #3A9672

Accessibility & contrast

On white

11.87

#183E2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#183E2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E2F

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183E2F	#FFFFFF	#000000	##FFFFFF
##183E2F	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3A2E

Deuteranopia (green-blind)

#373630

Tritanopia (blue-blind)

#093E3A

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183e2f;
/* rgb */ color: rgb(24, 62, 47);
/* oklch */ color: oklch(33.1% 0.051 165.0);

Tailwind

colors: {
  custom: {
    50: '#597367',
    500: '#183e2f',
    950: '#000000',
  },
}

SCSS

$custom: #183e2f;
$custom-light: #597367;
$custom-dark: #000000;

JSON

{
  "hex": "#183e2f",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 47
  },
  "hsl": {
    "h": 156.316,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.33115,
    "c": 0.05138,
    "h": 165
  },
  "luminance": 0.03845
}

Semantic roles & 50–950 ramp

primary

#183E2F

secondary

#743D53

accent

#5486D4

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#040806

muted

#797B7A

Preview Lab

Preview with #183E2F

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

Preview Lab → · Contrast checker → · Palette generator →