#0A333B#0A333B

#0A333B is a dark, muted teal. Relative luminance 0.027; OKLCH L 29.8% C 0.046 H 213.6°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#0A333B
RGB	rgb(10, 51, 59)
HSL	hsl(190, 71%, 14%)
HSV	hsv(190, 83%, 23%)
CMYK	cmyk(83.1%, 13.6%, 0%, 76.9%)
CIE-LAB	lab(19.00, -10.62, -9.09)
CIE-LCH	lch(19.00, 13.98, 220.55°)
OKLab	oklab(29.76% -0.0381 -0.0253)
OKLCH	oklch(29.76% 0.046 213.6)
XYZ	xyz(2.0981, 2.7477, 4.5566)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A333B #3B120A

analogous

#0A3B2A #0A333B #0A1A3B

triadic

#0A333B #3B0A33 #333B0A

tetradic

#0A333B #2A0A3B #3B120A #1A3B0A

square

#0A333B #2A0A3B #3B120A #1A3B0A

split-complementary

#0A333B #3B0A1A #3B2A0A

monochromatic

#04171A #04171A #0A333B #13606F #1C8DA4

Accessibility & contrast

On white

13.55

#0A333B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#0A333B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A333B

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A333B	#FFFFFF	#000000	##FFFFFF
##0A333B	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D313B

Deuteranopia (green-blind)

#262C3B

Tritanopia (blue-blind)

#003635

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #0a333b;
/* rgb */ color: rgb(10, 51, 59);
/* oklch */ color: oklch(29.8% 0.046 213.6);

Tailwind

colors: {
  custom: {
    50: '#526a70',
    500: '#0a333b',
    950: '#000000',
  },
}

SCSS

$custom: #0a333b;
$custom-light: #526a70;
$custom-dark: #000000;

JSON

{
  "hex": "#0a333b",
  "rgb": {
    "r": 10,
    "g": 51,
    "b": 59
  },
  "hsl": {
    "h": 189.796,
    "s": 71.014,
    "l": 13.529
  },
  "oklch": {
    "l": 0.29757,
    "c": 0.04573,
    "h": 213.6
  },
  "luminance": 0.02748
}

Semantic roles & 50–950 ramp

primary

#0A333B

secondary

#783528

accent

#573AEE

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020607

muted

#787A7A

Preview Lab

Preview with #0A333B

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

Preview Lab → · Contrast checker → · Palette generator →