#13403B#13403B

#13403B is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.049 H 184.9°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#13403B
RGB	rgb(19, 64, 59)
HSL	hsl(173, 54%, 16%)
HSV	hsv(173, 70%, 25%)
CMYK	cmyk(70.3%, 0%, 7.8%, 74.9%)
CIE-LAB	lab(24.07, -16.62, -1.47)
CIE-LCH	lch(24.07, 16.69, 185.06°)
OKLab	oklab(33.93% -0.0491 -0.0042)
OKLCH	oklch(33.93% 0.049 184.9)
XYZ	xyz(2.8910, 4.1207, 4.7798)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13403B #401318

analogous

#134025 #13403B #132F40

triadic

#13403B #3B1340 #403B13

tetradic

#13403B #251340 #401318 #2F4013

square

#13403B #251340 #401318 #2F4013

split-complementary

#13403B #40132F #402513

monochromatic

#071816 #071816 #13403B #216F67 #2F9E92

Accessibility & contrast

On white

11.51

#13403B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#13403B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13403B

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13403B	#FFFFFF	#000000	##FFFFFF
##13403B	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3C3B

Deuteranopia (green-blind)

#36373C

Tritanopia (blue-blind)

#00413E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #13403b;
/* rgb */ color: rgb(19, 64, 59);
/* oklch */ color: oklch(33.9% 0.049 184.9);

Tailwind

colors: {
  custom: {
    50: '#577570',
    500: '#13403b',
    950: '#000000',
  },
}

SCSS

$custom: #13403b;
$custom-light: #577570;
$custom-dark: #000000;

JSON

{
  "hex": "#13403b",
  "rgb": {
    "r": 19,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 173.333,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.3393,
    "c": 0.04933,
    "h": 184.9
  },
  "luminance": 0.04121
}

Semantic roles & 50–950 ramp

primary

#13403B

secondary

#79363E

accent

#4A5BDE

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #13403B

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

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