#123B39#123B39

#123B39 is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.3% C 0.045 H 190.7°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#123B39
RGB	rgb(18, 59, 57)
HSL	hsl(177, 53%, 15%)
HSV	hsv(177, 69%, 23%)
CMYK	cmyk(69.5%, 0%, 3.4%, 76.9%)
CIE-LAB	lab(22.13, -14.64, -3.00)
CIE-LCH	lch(22.13, 14.95, 191.58°)
OKLab	oklab(32.33% -0.0444 -0.0084)
OKLCH	oklch(32.33% 0.045 190.7)
XYZ	xyz(2.5516, 3.5517, 4.4212)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123B39 #3B1214

analogous

#123B24 #123B39 #12293B

triadic

#123B39 #39123B #3B3912

tetradic

#123B39 #24123B #3B1214 #293B12

square

#123B39 #24123B #3B1214 #293B12

split-complementary

#123B39 #3B1229 #3B2412

monochromatic

#071717 #071717 #123B39 #206A66 #2F9994

Accessibility & contrast

On white

12.28

#123B39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#123B39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123B39

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123B39	#FFFFFF	#000000	##FFFFFF
##123B39	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373839

Deuteranopia (green-blind)

#313339

Tritanopia (blue-blind)

#003D3A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #123b39;
/* rgb */ color: rgb(18, 59, 57);
/* oklch */ color: oklch(32.3% 0.045 190.7);

Tailwind

colors: {
  custom: {
    50: '#56716f',
    500: '#123b39',
    950: '#000000',
  },
}

SCSS

$custom: #123b39;
$custom-light: #56716f;
$custom-dark: #000000;

JSON

{
  "hex": "#123b39",
  "rgb": {
    "r": 18,
    "g": 59,
    "b": 57
  },
  "hsl": {
    "h": 177.073,
    "s": 53.247,
    "l": 15.098
  },
  "oklch": {
    "l": 0.32327,
    "c": 0.0452,
    "h": 190.7
  },
  "luminance": 0.03552
}

Semantic roles & 50–950 ramp

primary

#123B39

secondary

#743538

accent

#4B52DD

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #123B39

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

Preview Lab → · Contrast checker → · Palette generator →