#0A1945#0A1945

#0A1945 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.3% C 0.085 H 265.7°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#0A1945
RGB	rgb(10, 25, 69)
HSL	hsl(225, 75%, 15%)
HSV	hsv(225, 86%, 27%)
CMYK	cmyk(85.5%, 63.8%, 0%, 72.9%)
CIE-LAB	lab(10.48, 12.57, -29.50)
CIE-LCH	lch(10.48, 32.07, 293.08°)
OKLab	oklab(23.29% -0.0064 -0.0851)
OKLCH	oklch(23.29% 0.085 265.7)
XYZ	xyz(1.5466, 1.1893, 5.7771)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.42

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1945 #45360A

analogous

#0A3645 #0A1945 #180A45

triadic

#0A1945 #450A19 #19450A

tetradic

#0A1945 #450A36 #45360A #0A4518

square

#0A1945 #450A36 #45360A #0A4518

split-complementary

#0A1945 #45180A #36450A

monochromatic

#040A1B #040A1B #0A1945 #122C7A #1940B0

Accessibility & contrast

On white

16.97

#0A1945 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0A1945 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1945

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1945	#FFFFFF	#000000	##FFFFFF
##0A1945	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F47

Deuteranopia (green-blind)

#001A44

Tritanopia (blue-blind)

#00242C

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0a1945;
/* rgb */ color: rgb(10, 25, 69);
/* oklch */ color: oklch(23.3% 0.085 265.7);

Tailwind

colors: {
  custom: {
    50: '#545579',
    500: '#0a1945',
    950: '#000000',
  },
}

SCSS

$custom: #0a1945;
$custom-light: #545579;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1945",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 69
  },
  "hsl": {
    "h": 224.746,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.23289,
    "c": 0.08537,
    "h": 265.7
  },
  "luminance": 0.01189
}

Semantic roles & 50–950 ramp

primary

#0A1945

secondary

#826B29

accent

#C236F1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030209

muted

#78787B

Preview Lab

Preview with #0A1945

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

Preview Lab → · Contrast checker → · Palette generator →