#0A3340#0A3340

#0A3340 is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.0% C 0.049 H 223.6°. Best body text is #FFFFFF at 13.46:1 contrast (WCAG AA passes).

Color values

HEX	#0A3340
RGB	rgb(10, 51, 64)
HSL	hsl(194, 73%, 15%)
HSV	hsv(194, 84%, 25%)
CMYK	cmyk(84.4%, 20.3%, 0%, 74.9%)
CIE-LAB	lab(19.23, -8.64, -12.15)
CIE-LCH	lch(19.23, 14.91, 234.58°)
OKLab	oklab(30.02% -0.0357 -0.034)
OKLCH	oklch(30.02% 0.049 223.6)
XYZ	xyz(2.2340, 2.8021, 5.2726)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3340 #40170A

analogous

#0A4032 #0A3340 #0A1840

triadic

#0A3340 #400A33 #33400A

tetradic

#0A3340 #320A40 #40170A #18400A

square

#0A3340 #320A40 #40170A #18400A

split-complementary

#0A3340 #400A18 #40320A

monochromatic

#04151A #04151A #0A3340 #125D75 #1B87AA

Accessibility & contrast

On white

13.46

#0A3340 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#0A3340 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3340

13.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3340	#FFFFFF	#000000	##FFFFFF
##0A3340	1.00	13.46	1.56	13.46
#FFFFFF	13.46	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3241

Deuteranopia (green-blind)

#242C40

Tritanopia (blue-blind)

#003737

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a3340;
/* rgb */ color: rgb(10, 51, 64);
/* oklch */ color: oklch(30.0% 0.049 223.6);

Tailwind

colors: {
  custom: {
    50: '#536a74',
    500: '#0a3340',
    950: '#000000',
  },
}

SCSS

$custom: #0a3340;
$custom-light: #536a74;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3340",
  "rgb": {
    "r": 10,
    "g": 51,
    "b": 64
  },
  "hsl": {
    "h": 194.444,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.30017,
    "c": 0.04931,
    "h": 223.6
  },
  "luminance": 0.02802
}

Semantic roles & 50–950 ramp

primary

#0A3340

secondary

#7D3D29

accent

#6438F0

background

#F5F6F7

surface

#E8EBED

border

#C4C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A3340

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

Preview Lab → · Contrast checker → · Palette generator →