#123E38#123E38

#123E38 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.2% C 0.049 H 182.7°. Best body text is #FFFFFF at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#123E38
RGB	rgb(18, 62, 56)
HSL	hsl(172, 55%, 16%)
HSV	hsv(172, 71%, 24%)
CMYK	cmyk(71%, 0%, 9.7%, 75.7%)
CIE-LAB	lab(23.20, -16.68, -0.75)
CIE-LCH	lch(23.20, 16.69, 182.59°)
OKLab	oklab(33.18% -0.0488 -0.0023)
OKLCH	oklch(33.18% 0.049 182.7)
XYZ	xyz(2.6856, 3.8591, 4.3440)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E38 #3E1218

analogous

#123E22 #123E38 #122E3E

triadic

#123E38 #38123E #3E3812

tetradic

#123E38 #22123E #3E1218 #2E3E12

square

#123E38 #22123E #3E1218 #2E3E12

split-complementary

#123E38 #3E122E #3E2212

monochromatic

#071815 #071815 #123E38 #206D63 #2E9D8E

Accessibility & contrast

On white

11.85

#123E38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123E38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E38

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E38	#FFFFFF	#000000	##FFFFFF
##123E38	1.00	11.85	1.77	11.85
#FFFFFF	11.85	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3A38

Deuteranopia (green-blind)

#343539

Tritanopia (blue-blind)

#003F3C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123e38;
/* rgb */ color: rgb(18, 62, 56);
/* oklch */ color: oklch(33.2% 0.049 182.7);

Tailwind

colors: {
  custom: {
    50: '#56736e',
    500: '#123e38',
    950: '#000000',
  },
}

SCSS

$custom: #123e38;
$custom-light: #56736e;
$custom-dark: #000000;

JSON

{
  "hex": "#123e38",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 56
  },
  "hsl": {
    "h": 171.818,
    "s": 55,
    "l": 15.686
  },
  "oklch": {
    "l": 0.33183,
    "c": 0.0489,
    "h": 182.7
  },
  "luminance": 0.03859
}

Semantic roles & 50–950 ramp

primary

#123E38

secondary

#77353E

accent

#495EDE

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030807

muted

#787B7A

Preview Lab

Preview with #123E38

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

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