#233D37#233D37

#233D37 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.7% C 0.034 H 177.8°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#233D37
RGB	rgb(35, 61, 55)
HSL	hsl(166, 27%, 19%)
HSV	hsv(166, 43%, 24%)
CMYK	cmyk(42.6%, 0%, 9.8%, 76.1%)
CIE-LAB	lab(23.57, -11.67, 0.55)
CIE-LCH	lch(23.57, 11.68, 177.30°)
OKLab	oklab(33.69% -0.0339 0.0013)
OKLCH	oklch(33.69% 0.034 177.8)
XYZ	xyz(3.0512, 3.9705, 4.2193)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233D37 #3D2329

analogous

#233D2A #233D37 #23363D

triadic

#233D37 #37233D #3D3723

tetradic

#233D37 #2A233D #3D2329 #363D23

square

#233D37 #2A233D #3D2329 #363D23

split-complementary

#233D37 #3D2336 #3D2A23

monochromatic

#0B1312 #0D1614 #233D37 #39645A #508B7D

Accessibility & contrast

On white

11.70

#233D37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#233D37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D37

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233D37	#FFFFFF	#000000	##FFFFFF
##233D37	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3A37

Deuteranopia (green-blind)

#373737

Tritanopia (blue-blind)

#1B3E3B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #233d37;
/* rgb */ color: rgb(35, 61, 55);
/* oklch */ color: oklch(33.7% 0.034 177.8);

Tailwind

colors: {
  custom: {
    50: '#5f726d',
    500: '#233d37',
    950: '#000000',
  },
}

SCSS

$custom: #233d37;
$custom-light: #5f726d;
$custom-dark: #000000;

JSON

{
  "hex": "#233d37",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 166.154,
    "s": 27.083,
    "l": 18.824
  },
  "oklch": {
    "l": 0.33687,
    "c": 0.0339,
    "h": 177.8
  },
  "luminance": 0.03971
}

Semantic roles & 50–950 ramp

primary

#233D37

secondary

#704C54

accent

#647AC3

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#050807

muted

#797B7A

Preview Lab

Preview with #233D37

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

Preview Lab → · Contrast checker → · Palette generator →