#0A403B#0A403B

#0A403B is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.7% C 0.054 H 185.6°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#0A403B
RGB	rgb(10, 64, 59)
HSL	hsl(174, 73%, 15%)
HSV	hsv(174, 84%, 25%)
CMYK	cmyk(84.4%, 0%, 7.8%, 74.9%)
CIE-LAB	lab(23.83, -18.21, -1.85)
CIE-LCH	lch(23.83, 18.30, 185.82°)
OKLab	oklab(33.67% -0.0539 -0.0053)
OKLCH	oklch(33.67% 0.054 185.6)
XYZ	xyz(2.7476, 4.0468, 4.7731)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A403B #400A0F

analogous

#0A4020 #0A403B #0A2A40

triadic

#0A403B #3B0A40 #403B0A

tetradic

#0A403B #200A40 #400A0F #2A400A

square

#0A403B #200A40 #400A0F #2A400A

split-complementary

#0A403B #400A2A #40200A

monochromatic

#041A18 #041A18 #0A403B #12756C #1BAA9D

Accessibility & contrast

On white

11.61

#0A403B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0A403B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A403B

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A403B	#FFFFFF	#000000	##FFFFFF
##0A403B	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)

#3C3C3B

Deuteranopia (green-blind)

#35363C

Tritanopia (blue-blind)

#00423E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0a403b;
/* rgb */ color: rgb(10, 64, 59);
/* oklch */ color: oklch(33.7% 0.054 185.6);

Tailwind

colors: {
  custom: {
    50: '#547570',
    500: '#0a403b',
    950: '#000000',
  },
}

SCSS

$custom: #0a403b;
$custom-light: #547570;
$custom-dark: #000000;

JSON

{
  "hex": "#0a403b",
  "rgb": {
    "r": 10,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 174.444,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33665,
    "c": 0.05417,
    "h": 185.6
  },
  "luminance": 0.04047
}

Semantic roles & 50–950 ramp

primary

#0A403B

secondary

#7D2930

accent

#3849F0

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0A403B

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

Preview Lab → · Contrast checker → · Palette generator →