#11403B#11403B

#11403B is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.051 H 185.1°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#11403B
RGB	rgb(17, 64, 59)
HSL	hsl(174, 58%, 16%)
HSV	hsv(174, 73%, 25%)
CMYK	cmyk(73.4%, 0%, 7.8%, 74.9%)
CIE-LAB	lab(24.00, -17.03, -1.57)
CIE-LCH	lch(24.00, 17.10, 185.27°)
OKLab	oklab(33.86% -0.0504 -0.0045)
OKLCH	oklch(33.86% 0.051 185.1)
XYZ	xyz(2.8536, 4.1014, 4.7781)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11403B #401116

analogous

#114023 #11403B #112D40

triadic

#11403B #3B1140 #403B11

tetradic

#11403B #231140 #401116 #2D4011

square

#11403B #231140 #401116 #2D4011

split-complementary

#11403B #40112D #402311

monochromatic

#061816 #061816 #11403B #1E7068 #2BA194

Accessibility & contrast

On white

11.54

#11403B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#11403B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11403B

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11403B	#FFFFFF	#000000	##FFFFFF
##11403B	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3B

Deuteranopia (green-blind)

#35373C

Tritanopia (blue-blind)

#00423E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #11403b;
/* rgb */ color: rgb(17, 64, 59);
/* oklch */ color: oklch(33.9% 0.051 185.1);

Tailwind

colors: {
  custom: {
    50: '#577570',
    500: '#11403b',
    950: '#000000',
  },
}

SCSS

$custom: #11403b;
$custom-light: #577570;
$custom-dark: #000000;

JSON

{
  "hex": "#11403b",
  "rgb": {
    "r": 17,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 173.617,
    "s": 58.025,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33861,
    "c": 0.05057,
    "h": 185.1
  },
  "luminance": 0.04102
}

Semantic roles & 50–950 ramp

primary

#11403B

secondary

#79333B

accent

#4757E1

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #11403B

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

Preview Lab → · Contrast checker → · Palette generator →