#0A0235#0A0235

#0A0235 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.5% C 0.094 H 278.4°. Best body text is #FFFFFF at 19.57:1 contrast (WCAG AA passes).

Color values

HEX	#0A0235
RGB	rgb(10, 2, 53)
HSL	hsl(249, 93%, 11%)
HSV	hsv(249, 96%, 21%)
CMYK	cmyk(81.1%, 96.2%, 0%, 79.2%)
CIE-LAB	lab(3.30, 18.13, -29.69)
CIE-LCH	lch(3.30, 34.78, 301.41°)
OKLab	oklab(16.51% 0.0136 -0.0929)
OKLCH	oklch(16.51% 0.094 278.4)
XYZ	xyz(0.7893, 0.3649, 3.3963)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0235 #2D3502

analogous

#021335 #0A0235 #230235

triadic

#0A0235 #350A02 #02350A

tetradic

#0A0235 #350213 #2D3502 #023523

square

#0A0235 #350213 #2D3502 #023523

split-complementary

#0A0235 #352302 #133502

monochromatic

#06011D #06011D #0A0235 #150470 #2006AB

Accessibility & contrast

On white

19.57

#0A0235 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#0A0235 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0235

19.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0235	#FFFFFF	#000000	##FFFFFF
##0A0235	1.00	19.57	1.07	19.57
#FFFFFF	19.57	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E36

Deuteranopia (green-blind)

#000A34

Tritanopia (blue-blind)

#00111B

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #0a0235;
/* rgb */ color: rgb(10, 2, 53);
/* oklch */ color: oklch(16.5% 0.094 278.4);

Tailwind

colors: {
  custom: {
    50: '#4f476d',
    500: '#0a0235',
    950: '#000000',
  },
}

SCSS

$custom: #0a0235;
$custom-light: #4f476d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0235",
  "rgb": {
    "r": 10,
    "g": 2,
    "b": 53
  },
  "hsl": {
    "h": 249.412,
    "s": 92.727,
    "l": 10.784
  },
  "oklch": {
    "l": 0.16513,
    "c": 0.09386,
    "h": 278.4
  },
  "luminance": 0.00365
}

Semantic roles & 50–950 ramp

primary

#0A0235

secondary

#6A791A

accent

#FF29DD

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0A0235

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

Preview Lab → · Contrast checker → · Palette generator →