#0A1145#0A1145

#0A1145 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.097 H 269.8°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#0A1145
RGB	rgb(10, 17, 69)
HSL	hsl(233, 75%, 15%)
HSV	hsv(233, 86%, 27%)
CMYK	cmyk(85.5%, 75.4%, 0%, 72.9%)
CIE-LAB	lab(8.08, 18.74, -33.42)
CIE-LCH	lch(8.08, 38.31, 299.28°)
OKLab	oklab(21.52% -0.0004 -0.0967)
OKLCH	oklch(21.52% 0.097 269.8)
XYZ	xyz(1.3994, 0.8949, 5.7281)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 1.34

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1145 #453E0A

analogous

#0A2E45 #0A1145 #200A45

triadic

#0A1145 #450A11 #11450A

tetradic

#0A1145 #450A2E #453E0A #0A4520

square

#0A1145 #450A2E #453E0A #0A4520

split-complementary

#0A1145 #45200A #2E450A

monochromatic

#04071B #04071B #0A1145 #121E7A #192BB0

Accessibility & contrast

On white

17.81

#0A1145 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0A1145 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1145

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1145	#FFFFFF	#000000	##FFFFFF
##0A1145	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B47

Deuteranopia (green-blind)

#001544

Tritanopia (blue-blind)

#001F29

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a1145;
/* rgb */ color: rgb(10, 17, 69);
/* oklch */ color: oklch(21.5% 0.097 269.8);

Tailwind

colors: {
  custom: {
    50: '#554e79',
    500: '#0a1145',
    950: '#000000',
  },
}

SCSS

$custom: #0a1145;
$custom-light: #554e79;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1145",
  "rgb": {
    "r": 10,
    "g": 17,
    "b": 69
  },
  "hsl": {
    "h": 232.881,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.21517,
    "c": 0.09671,
    "h": 269.8
  },
  "luminance": 0.00895
}

Semantic roles & 50–950 ramp

primary

#0A1145

secondary

#827729

accent

#DB36F1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0A1145

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

Preview Lab → · Contrast checker → · Palette generator →