#123E2B#123E2B

#123E2B is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.7% C 0.059 H 161.6°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#123E2B
RGB	rgb(18, 62, 43)
HSL	hsl(154, 55%, 16%)
HSV	hsv(154, 71%, 24%)
CMYK	cmyk(71%, 0%, 30.6%, 75.7%)
CIE-LAB	lab(22.82, -20.48, 7.33)
CIE-LCH	lch(22.82, 21.75, 160.31°)
OKLab	oklab(32.75% -0.0562 0.0187)
OKLCH	oklch(32.75% 0.059 161.6)
XYZ	xyz(2.4079, 3.7480, 2.8816)
Luminance	0.0375 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E2B #3E1225

analogous

#123E15 #123E2B #123B3E

triadic

#123E2B #2B123E #3E2B12

tetradic

#123E2B #15123E #3E1225 #3B3E12

square

#123E2B #15123E #3E1225 #3B3E12

split-complementary

#123E2B #3E123B #3E1512

monochromatic

#071810 #071810 #123E2B #206D4C #2E9D6D

Accessibility & contrast

On white

12.00

#123E2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#123E2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E2B

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E2B	#FFFFFF	#000000	##FFFFFF
##123E2B	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D392A

Deuteranopia (green-blind)

#37352C

Tritanopia (blue-blind)

#003E39

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123e2b;
/* rgb */ color: rgb(18, 62, 43);
/* oklch */ color: oklch(32.7% 0.059 161.6);

Tailwind

colors: {
  custom: {
    50: '#567364',
    500: '#123e2b',
    950: '#000000',
  },
}

SCSS

$custom: #123e2b;
$custom-light: #567364;
$custom-dark: #000000;

JSON

{
  "hex": "#123e2b",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 43
  },
  "hsl": {
    "h": 154.091,
    "s": 55,
    "l": 15.686
  },
  "oklch": {
    "l": 0.32748,
    "c": 0.05923,
    "h": 161.6
  },
  "luminance": 0.03748
}

Semantic roles & 50–950 ramp

primary

#123E2B

secondary

#773551

accent

#498ADE

background

#F5F7F5

surface

#E9EDEA

border

#C5C8C6

text

#030805

muted

#787B79

Preview Lab

Preview with #123E2B

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

Preview Lab → · Contrast checker → · Palette generator →