#233F37#233F37

#233F37 is a dark, muted teal. Relative luminance 0.042; OKLCH L 34.3% C 0.037 H 173.8°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#233F37
RGB	rgb(35, 63, 55)
HSL	hsl(163, 29%, 19%)
HSV	hsv(163, 44%, 25%)
CMYK	cmyk(44.4%, 0%, 12.7%, 75.3%)
CIE-LAB	lab(24.28, -12.86, 1.58)
CIE-LCH	lch(24.28, 12.96, 172.99°)
OKLab	oklab(34.26% -0.0369 0.004)
OKLCH	oklch(34.26% 0.037 173.8)
XYZ	xyz(3.1600, 4.1880, 4.2555)
Luminance	0.0419 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233F37 #3F232B

analogous

#233F29 #233F37 #23393F

triadic

#233F37 #37233F #3F3723

tetradic

#233F37 #29233F #3F232B #393F23

square

#233F37 #29233F #3F232B #393F23

split-complementary

#233F37 #3F2339 #3F2923

monochromatic

#0B1411 #0D1815 #233F37 #396659 #4F8E7C

Accessibility & contrast

On white

11.43

#233F37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#233F37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F37

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233F37	#FFFFFF	#000000	##FFFFFF
##233F37	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3C37

Deuteranopia (green-blind)

#393838

Tritanopia (blue-blind)

#1A403D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #233f37;
/* rgb */ color: rgb(35, 63, 55);
/* oklch */ color: oklch(34.3% 0.037 173.8);

Tailwind

colors: {
  custom: {
    50: '#5f746d',
    500: '#233f37',
    950: '#000000',
  },
}

SCSS

$custom: #233f37;
$custom-light: #5f746d;
$custom-dark: #000000;

JSON

{
  "hex": "#233f37",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 55
  },
  "hsl": {
    "h": 162.857,
    "s": 28.571,
    "l": 19.216
  },
  "oklch": {
    "l": 0.34258,
    "c": 0.03711,
    "h": 173.8
  },
  "luminance": 0.04188
}

Semantic roles & 50–950 ramp

primary

#233F37

secondary

#724C57

accent

#637FC5

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#050807

muted

#797B7A

Preview Lab

Preview with #233F37

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

Preview Lab → · Contrast checker → · Palette generator →