#123B2B#123B2B

#123B2B is a dark, muted teal. Relative luminance 0.034; OKLCH L 31.8% C 0.054 H 164.3°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#123B2B
RGB	rgb(18, 59, 43)
HSL	hsl(157, 53%, 15%)
HSV	hsv(157, 69%, 23%)
CMYK	cmyk(69.5%, 0%, 27.1%, 76.9%)
CIE-LAB	lab(21.69, -18.92, 5.75)
CIE-LCH	lch(21.69, 19.77, 163.09°)
OKLab	oklab(31.83% -0.0523 0.0147)
OKLCH	oklch(31.83% 0.054 164.3)
XYZ	xyz(2.2492, 3.4307, 2.8287)
Luminance	0.0343 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B2B #3B1222

analogous

#123B16 #123B2B #12373B

triadic

#123B2B #2B123B #3B2B12

tetradic

#123B2B #16123B #3B1222 #373B12

square

#123B2B #16123B #3B1222 #373B12

split-complementary

#123B2B #3B1237 #3B1612

monochromatic

#071711 #071711 #123B2B #206A4D #2F996F

Accessibility & contrast

On white

12.45

#123B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#123B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B2B

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B2B	#FFFFFF	#000000	##FFFFFF
##123B2B	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A362A

Deuteranopia (green-blind)

#34322C

Tritanopia (blue-blind)

#003B37

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #123b2b;
/* rgb */ color: rgb(18, 59, 43);
/* oklch */ color: oklch(31.8% 0.054 164.3);

Tailwind

colors: {
  custom: {
    50: '#557164',
    500: '#123b2b',
    950: '#000000',
  },
}

SCSS

$custom: #123b2b;
$custom-light: #557164;
$custom-dark: #000000;

JSON

{
  "hex": "#123b2b",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 43
  },
  "hsl": {
    "h": 156.585,
    "s": 53.247,
    "l": 15.098
  },
  "oklch": {
    "l": 0.31826,
    "c": 0.05431,
    "h": 164.3
  },
  "luminance": 0.03431
}

Semantic roles & 50–950 ramp

primary

#123B2B

secondary

#74354D

accent

#4B84DD

background

#F5F6F5

surface

#E9ECEA

border

#C5C7C6

text

#030705

muted

#787A79

Preview Lab

Preview with #123B2B

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

Preview Lab → · Contrast checker → · Palette generator →