#123F38#123F38

#123F38 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.5% C 0.050 H 181.0°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#123F38
RGB	rgb(18, 63, 56)
HSL	hsl(171, 56%, 16%)
HSV	hsv(171, 71%, 25%)
CMYK	cmyk(71.4%, 0%, 11.1%, 75.3%)
CIE-LAB	lab(23.57, -17.23, -0.21)
CIE-LCH	lch(23.57, 17.23, 180.71°)
OKLab	oklab(33.48% -0.0501 -0.0009)
OKLCH	oklch(33.48% 0.05 181)
XYZ	xyz(2.7404, 3.9688, 4.3623)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F38 #3F1219

analogous

#123F21 #123F38 #122F3F

triadic

#123F38 #38123F #3F3812

tetradic

#123F38 #21123F #3F1219 #2F3F12

square

#123F38 #21123F #3F1219 #2F3F12

split-complementary

#123F38 #3F122F #3F2112

monochromatic

#071815 #071815 #123F38 #206F62 #2D9E8D

Accessibility & contrast

On white

11.71

#123F38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#123F38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F38

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F38	#FFFFFF	#000000	##FFFFFF
##123F38	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3B38

Deuteranopia (green-blind)

#353639

Tritanopia (blue-blind)

#00403D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123f38;
/* rgb */ color: rgb(18, 63, 56);
/* oklch */ color: oklch(33.5% 0.050 181.0);

Tailwind

colors: {
  custom: {
    50: '#57746e',
    500: '#123f38',
    950: '#000000',
  },
}

SCSS

$custom: #123f38;
$custom-light: #57746e;
$custom-dark: #000000;

JSON

{
  "hex": "#123f38",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 56
  },
  "hsl": {
    "h": 170.667,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33483,
    "c": 0.05015,
    "h": 181
  },
  "luminance": 0.03969
}

Semantic roles & 50–950 ramp

primary

#123F38

secondary

#78353F

accent

#4960DF

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030807

muted

#787B7A

Preview Lab

Preview with #123F38

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

Preview Lab → · Contrast checker → · Palette generator →