#123F45#123F45

#123F45 is a dark, muted teal. Relative luminance 0.041; OKLCH L 34.0% C 0.049 H 207.6°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#123F45
RGB	rgb(18, 63, 69)
HSL	hsl(187, 59%, 17%)
HSV	hsv(187, 74%, 27%)
CMYK	cmyk(73.9%, 8.7%, 0%, 72.9%)
CIE-LAB	lab(24.04, -12.83, -8.15)
CIE-LCH	lch(24.04, 15.20, 212.44°)
OKLab	oklab(34.02% -0.0433 -0.0226)
OKLCH	oklch(34.02% 0.049 207.6)
XYZ	xyz(3.1007, 4.1129, 6.2595)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F45 #451812

analogous

#124532 #123F45 #122645

triadic

#123F45 #45123F #3F4512

tetradic

#123F45 #321245 #451812 #264512

square

#123F45 #321245 #451812 #264512

split-complementary

#123F45 #451226 #453212

monochromatic

#061618 #061618 #123F45 #1F6B76 #2B98A6

Accessibility & contrast

On white

11.52

#123F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#123F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F45

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F45	#FFFFFF	#000000	##FFFFFF
##123F45	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393C45

Deuteranopia (green-blind)

#323745

Tritanopia (blue-blind)

#004241

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #123f45;
/* rgb */ color: rgb(18, 63, 69);
/* oklch */ color: oklch(34.0% 0.049 207.6);

Tailwind

colors: {
  custom: {
    50: '#587478',
    500: '#123f45',
    950: '#000000',
  },
}

SCSS

$custom: #123f45;
$custom-light: #587478;
$custom-dark: #000000;

JSON

{
  "hex": "#123f45",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 69
  },
  "hsl": {
    "h": 187.059,
    "s": 58.621,
    "l": 17.059
  },
  "oklch": {
    "l": 0.34023,
    "c": 0.04884,
    "h": 207.6
  },
  "luminance": 0.04113
}

Semantic roles & 50–950 ramp

primary

#123F45

secondary

#7E3D35

accent

#5846E2

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#040809

muted

#797B7B

Preview Lab

Preview with #123F45

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

Preview Lab → · Contrast checker → · Palette generator →