#12737B#12737B

#12737B is a mid, moderate teal. Relative luminance 0.138; OKLCH L 50.8% C 0.082 H 203.8°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#12737B
RGB	rgb(18, 115, 123)
HSL	hsl(185, 74%, 28%)
HSV	hsv(185, 85%, 48%)
CMYK	cmyk(85.4%, 6.5%, 0%, 51.8%)
CIE-LAB	lab(43.97, -22.82, -11.93)
CIE-LCH	lch(43.97, 25.75, 207.59°)
OKLab	oklab(50.83% -0.0754 -0.0332)
OKLCH	oklch(50.83% 0.082 203.8)
XYZ	xyz(9.9537, 13.8189, 20.8777)
Luminance	0.1382 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12737B #7B1A12

analogous

#127B4E #12737B #123F7B

triadic

#12737B #7B1273 #737B12

tetradic

#12737B #4E127B #7B1A12 #3F7B12

square

#12737B #4E127B #7B1A12 #3F7B12

split-complementary

#12737B #7B123F #7B4E12

monochromatic

#04191B #0A4146 #12737B #1AA5B0 #28D2E0

Accessibility & contrast

On white

5.58

#12737B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#12737B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #12737B

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12737B	#FFFFFF	#000000	##FFFFFF
##12737B	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696E7C

Deuteranopia (green-blind)

#5B647B

Tritanopia (blue-blind)

#007875

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #12737b;
/* rgb */ color: rgb(18, 115, 123);
/* oklch */ color: oklch(50.8% 0.082 203.8);

Tailwind

colors: {
  custom: {
    50: '#679ba1',
    500: '#12737b',
    950: '#000000',
  },
}

SCSS

$custom: #12737b;
$custom-light: #679ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#12737b",
  "rgb": {
    "r": 18,
    "g": 115,
    "b": 123
  },
  "hsl": {
    "h": 184.571,
    "s": 74.468,
    "l": 27.647
  },
  "oklch": {
    "l": 0.50825,
    "c": 0.08235,
    "h": 203.8
  },
  "luminance": 0.1382
}

Semantic roles & 50–950 ramp

primary

#12737B

secondary

#B14138

accent

#4537F1

background

#F6F9F9

surface

#EBF2F2

border

#C6CCCC

text

#070E0E

muted

#7A7E7E

Preview Lab

Preview with #12737B

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

Preview Lab → · Contrast checker → · Palette generator →