#0B403A#0B403A

#0B403A is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.7% C 0.054 H 183.8°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#0B403A
RGB	rgb(11, 64, 58)
HSL	hsl(173, 71%, 15%)
HSV	hsv(173, 83%, 25%)
CMYK	cmyk(82.8%, 0%, 9.4%, 74.9%)
CIE-LAB	lab(23.81, -18.40, -1.21)
CIE-LCH	lch(23.81, 18.43, 183.75°)
OKLab	oklab(33.65% -0.054 -0.0035)
OKLCH	oklch(33.65% 0.054 183.8)
XYZ	xyz(2.7348, 4.0431, 4.6384)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B403A #400B11

analogous

#0B4020 #0B403A #0B2B40

triadic

#0B403A #3A0B40 #403A0B

tetradic

#0B403A #200B40 #400B11 #2B400B

square

#0B403A #200B40 #400B11 #2B400B

split-complementary

#0B403A #400B2B #40200B

monochromatic

#041A18 #041A18 #0B403A #147469 #1DA899

Accessibility & contrast

On white

11.61

#0B403A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0B403A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B403A

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B403A	#FFFFFF	#000000	##FFFFFF
##0B403A	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3A

Deuteranopia (green-blind)

#35363B

Tritanopia (blue-blind)

#00423E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0b403a;
/* rgb */ color: rgb(11, 64, 58);
/* oklch */ color: oklch(33.7% 0.054 183.8);

Tailwind

colors: {
  custom: {
    50: '#547570',
    500: '#0b403a',
    950: '#000000',
  },
}

SCSS

$custom: #0b403a;
$custom-light: #547570;
$custom-dark: #000000;

JSON

{
  "hex": "#0b403a",
  "rgb": {
    "r": 11,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 173.208,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.3365,
    "c": 0.05415,
    "h": 183.8
  },
  "luminance": 0.04043
}

Semantic roles & 50–950 ramp

primary

#0B403A

secondary

#7D2A33

accent

#3A4FED

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0B403A

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

Preview Lab → · Contrast checker → · Palette generator →