#0C403B#0C403B

#0C403B is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.7% C 0.053 H 185.5°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#0C403B
RGB	rgb(12, 64, 59)
HSL	hsl(174, 68%, 15%)
HSV	hsv(174, 81%, 25%)
CMYK	cmyk(81.2%, 0%, 7.8%, 74.9%)
CIE-LAB	lab(23.87, -17.91, -1.78)
CIE-LCH	lch(23.87, 18.00, 185.69°)
OKLab	oklab(33.71% -0.053 -0.0051)
OKLCH	oklch(33.71% 0.053 185.5)
XYZ	xyz(2.7741, 4.0604, 4.7744)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C403B #400C11

analogous

#0C4021 #0C403B #0C2B40

triadic

#0C403B #3B0C40 #403B0C

tetradic

#0C403B #210C40 #400C11 #2B400C

square

#0C403B #210C40 #400C11 #2B400C

split-complementary

#0C403B #400C2B #40210C

monochromatic

#051A18 #051A18 #0C403B #16746B #1FA79A

Accessibility & contrast

On white

11.59

#0C403B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0C403B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C403B

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C403B	#FFFFFF	#000000	##FFFFFF
##0C403B	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	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: #0c403b;
/* rgb */ color: rgb(12, 64, 59);
/* oklch */ color: oklch(33.7% 0.053 185.5);

Tailwind

colors: {
  custom: {
    50: '#557570',
    500: '#0c403b',
    950: '#000000',
  },
}

SCSS

$custom: #0c403b;
$custom-light: #557570;
$custom-dark: #000000;

JSON

{
  "hex": "#0c403b",
  "rgb": {
    "r": 12,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 174.231,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.33714,
    "c": 0.05326,
    "h": 185.5
  },
  "luminance": 0.04061
}

Semantic roles & 50–950 ramp

primary

#0C403B

secondary

#7C2C33

accent

#3D4DEB

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0C403B

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

Preview Lab → · Contrast checker → · Palette generator →