#0A0429#0A0429

#0A0429 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.4% C 0.073 H 282.7°. Best body text is #FFFFFF at 19.77:1 contrast (WCAG AA passes).

Color values

HEX	#0A0429
RGB	rgb(10, 4, 41)
HSL	hsl(250, 82%, 9%)
HSV	hsv(250, 90%, 16%)
CMYK	cmyk(75.6%, 90.2%, 0%, 83.9%)
CIE-LAB	lab(2.81, 11.17, -21.43)
CIE-LCH	lch(2.81, 24.17, 297.53°)
OKLab	oklab(15.39% 0.016 -0.0711)
OKLCH	oklch(15.39% 0.073 282.7)
XYZ	xyz(0.5687, 0.3114, 2.1275)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0429 #232904

analogous

#041129 #0A0429 #1D0429

triadic

#0A0429 #290A04 #04290A

tetradic

#0A0429 #290411 #232904 #04291D

square

#0A0429 #290411 #232904 #04291D

split-complementary

#0A0429 #291D04 #112904

monochromatic

#07031C #07031C #0A0429 #180961 #250F99

Accessibility & contrast

On white

19.77

#0A0429 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#0A0429 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0429

19.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0429	#FFFFFF	#000000	##FFFFFF
##0A0429	1.00	19.77	1.06	19.77
#FFFFFF	19.77	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B2A

Deuteranopia (green-blind)

#000928

Tritanopia (blue-blind)

#000D15

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #0a0429;
/* rgb */ color: rgb(10, 4, 41);
/* oklch */ color: oklch(15.4% 0.073 282.7);

Tailwind

colors: {
  custom: {
    50: '#4c4863',
    500: '#0a0429',
    950: '#000000',
  },
}

SCSS

$custom: #0a0429;
$custom-light: #4c4863;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0429",
  "rgb": {
    "r": 10,
    "g": 4,
    "b": 41
  },
  "hsl": {
    "h": 249.73,
    "s": 82.222,
    "l": 8.824
  },
  "oklch": {
    "l": 0.1539,
    "c": 0.07289,
    "h": 282.7
  },
  "luminance": 0.00311
}

Semantic roles & 50–950 ramp

primary

#0A0429

secondary

#5F6C1D

accent

#F92FD8

background

#F4F4F5

surface

#E7E6EA

border

#C3C2C6

text

#010005

muted

#777779

Preview Lab

Preview with #0A0429

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

Preview Lab → · Contrast checker → · Palette generator →