#0A0742#0A0742

#0A0742 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.3% C 0.104 H 273.1°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#0A0742
RGB	rgb(10, 7, 66)
HSL	hsl(243, 81%, 14%)
HSV	hsv(243, 89%, 26%)
CMYK	cmyk(84.8%, 89.4%, 0%, 74.1%)
CIE-LAB	lab(5.51, 23.21, -35.52)
CIE-LCH	lch(5.51, 42.43, 303.16°)
OKLab	oklab(19.34% 0.0057 -0.1043)
OKLCH	oklch(19.34% 0.105 273.1)
XYZ	xyz(1.1842, 0.6097, 5.2085)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0742 #3F4207

analogous

#072242 #0A0742 #280742

triadic

#0A0742 #420A07 #07420A

tetradic

#0A0742 #420722 #3F4207 #074228

square

#0A0742 #420722 #3F4207 #074228

split-complementary

#0A0742 #422807 #224207

monochromatic

#04031C #04031C #0A0742 #120D79 #1B13B1

Accessibility & contrast

On white

18.72

#0A0742 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0A0742 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0742

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0742	#FFFFFF	#000000	##FFFFFF
##0A0742	1.00	18.72	1.12	18.72
#FFFFFF	18.72	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001544

Deuteranopia (green-blind)

#000F41

Tritanopia (blue-blind)

#001924

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0a0742;
/* rgb */ color: rgb(10, 7, 66);
/* oklch */ color: oklch(19.3% 0.104 273.1);

Tailwind

colors: {
  custom: {
    50: '#554877',
    500: '#0a0742',
    950: '#000000',
  },
}

SCSS

$custom: #0a0742;
$custom-light: #554877;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0742",
  "rgb": {
    "r": 10,
    "g": 7,
    "b": 66
  },
  "hsl": {
    "h": 243.051,
    "s": 80.822,
    "l": 14.314
  },
  "oklch": {
    "l": 0.19344,
    "c": 0.1045,
    "h": 273.1
  },
  "luminance": 0.0061
}

Semantic roles & 50–950 ramp

primary

#0A0742

secondary

#7C8124

accent

#F731ED

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030009

muted

#78777B

Preview Lab

Preview with #0A0742

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

Preview Lab → · Contrast checker → · Palette generator →