#0A192C#0A192C

#0A192C is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 21.1% C 0.043 H 255.2°. Best body text is #FFFFFF at 17.67:1 contrast (WCAG AA passes).

Color values

HEX	#0A192C
RGB	rgb(10, 25, 44)
HSL	hsl(214, 63%, 11%)
HSV	hsv(214, 77%, 17%)
CMYK	cmyk(77.3%, 43.2%, 0%, 82.7%)
CIE-LAB	lab(8.50, 1.26, -14.73)
CIE-LCH	lch(8.50, 14.78, 274.88°)
OKLab	oklab(21.14% -0.011 -0.0417)
OKLCH	oklch(21.14% 0.043 255.2)
XYZ	xyz(0.9273, 0.9416, 2.5153)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A192C #2C1D0A

analogous

#0A2A2C #0A192C #0C0A2C

triadic

#0A192C #2C0A19 #192C0A

tetradic

#0A192C #2C0A2A #2C1D0A #0A2C0C

square

#0A192C #2C0A2A #2C1D0A #0A2C0C

split-complementary

#0A192C #2C0C0A #2A2C0A

monochromatic

#060E19 #060E19 #0A192C #15355E #215290

Accessibility & contrast

On white

17.67

#0A192C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0A192C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A192C

17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A192C	#FFFFFF	#000000	##FFFFFF
##0A192C	1.00	17.67	1.19	17.67
#FFFFFF	17.67	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111A2D

Deuteranopia (green-blind)

#0C172C

Tritanopia (blue-blind)

#001D20

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a192c;
/* rgb */ color: rgb(10, 25, 44);
/* oklch */ color: oklch(21.1% 0.043 255.2);

Tailwind

colors: {
  custom: {
    50: '#4d5565',
    500: '#0a192c',
    950: '#000000',
  },
}

SCSS

$custom: #0a192c;
$custom-light: #4d5565;
$custom-dark: #000000;

JSON

{
  "hex": "#0a192c",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 44
  },
  "hsl": {
    "h": 213.529,
    "s": 62.963,
    "l": 10.588
  },
  "oklch": {
    "l": 0.21137,
    "c": 0.04316,
    "h": 255.2
  },
  "luminance": 0.00942
}

Semantic roles & 50–950 ramp

primary

#0A192C

secondary

#694D29

accent

#9E42E6

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010305

muted

#77787A

Preview Lab

Preview with #0A192C

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

Preview Lab → · Contrast checker → · Palette generator →