#0A0749#0A0749

#0A0749 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.3% C 0.114 H 271.9°. Best body text is #FFFFFF at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#0A0749
RGB	rgb(10, 7, 73)
HSL	hsl(243, 83%, 16%)
HSV	hsv(243, 90%, 29%)
CMYK	cmyk(86.3%, 90.4%, 0%, 71.4%)
CIE-LAB	lab(6.30, 26.54, -39.16)
CIE-LCH	lch(6.30, 47.31, 304.13°)
OKLab	oklab(20.3% 0.0037 -0.114)
OKLCH	oklch(20.3% 0.114 271.9)
XYZ	xyz(1.4033, 0.6974, 6.3627)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0749 #464907

analogous

#072549 #0A0749 #2B0749

triadic

#0A0749 #490A07 #07490A

tetradic

#0A0749 #490725 #464907 #07492B

square

#0A0749 #490725 #464907 #07492B

split-complementary

#0A0749 #492B07 #254907

monochromatic

#04031C #04031C #0A0749 #120C81 #1912B9

Accessibility & contrast

On white

18.43

#0A0749 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0A0749 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0749

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0749	#FFFFFF	#000000	##FFFFFF
##0A0749	1.00	18.43	1.14	18.43
#FFFFFF	18.43	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00174B

Deuteranopia (green-blind)

#001148

Tritanopia (blue-blind)

#001C29

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0a0749;
/* rgb */ color: rgb(10, 7, 73);
/* oklch */ color: oklch(20.3% 0.114 271.9);

Tailwind

colors: {
  custom: {
    50: '#57487d',
    500: '#0a0749',
    950: '#000000',
  },
}

SCSS

$custom: #0a0749;
$custom-light: #57487d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0749",
  "rgb": {
    "r": 10,
    "g": 7,
    "b": 73
  },
  "hsl": {
    "h": 242.727,
    "s": 82.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.20299,
    "c": 0.11407,
    "h": 271.9
  },
  "luminance": 0.00698
}

Semantic roles & 50–950 ramp

primary

#0A0749

secondary

#838824

accent

#F92FF0

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#04000A

muted

#79777C

Preview Lab

Preview with #0A0749

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

Preview Lab → · Contrast checker → · Palette generator →