#123F31#123F31

#123F31 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.2% C 0.055 H 169.0°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#123F31
RGB	rgb(18, 63, 49)
HSL	hsl(161, 56%, 16%)
HSV	hsv(161, 71%, 25%)
CMYK	cmyk(71.4%, 0%, 22.2%, 75.3%)
CIE-LAB	lab(23.36, -19.35, 4.12)
CIE-LCH	lch(23.36, 19.78, 167.97°)
OKLab	oklab(33.24% -0.0541 0.0106)
OKLCH	oklch(33.24% 0.055 169)
XYZ	xyz(2.5811, 3.9051, 3.5229)
Luminance	0.0391 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F31 #3F1220

analogous

#123F1A #123F31 #12363F

triadic

#123F31 #31123F #3F3112

tetradic

#123F31 #1A123F #3F1220 #363F12

square

#123F31 #1A123F #3F1220 #363F12

split-complementary

#123F31 #3F1236 #3F1A12

monochromatic

#071813 #071813 #123F31 #206F56 #2D9E7B

Accessibility & contrast

On white

11.79

#123F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#123F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F31

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F31	#FFFFFF	#000000	##FFFFFF
##123F31	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3A30

Deuteranopia (green-blind)

#373632

Tritanopia (blue-blind)

#003F3B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123f31;
/* rgb */ color: rgb(18, 63, 49);
/* oklch */ color: oklch(33.2% 0.055 169.0);

Tailwind

colors: {
  custom: {
    50: '#567469',
    500: '#123f31',
    950: '#000000',
  },
}

SCSS

$custom: #123f31;
$custom-light: #567469;
$custom-dark: #000000;

JSON

{
  "hex": "#123f31",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 49
  },
  "hsl": {
    "h": 161.333,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33238,
    "c": 0.05509,
    "h": 169
  },
  "luminance": 0.03905
}

Semantic roles & 50–950 ramp

primary

#123F31

secondary

#78354A

accent

#4978DF

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030806

muted

#787B7A

Preview Lab

Preview with #123F31

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

Preview Lab → · Contrast checker → · Palette generator →