#0A0748#0A0748

#0A0748 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.2% C 0.113 H 272.0°. Best body text is #FFFFFF at 18.47:1 contrast (WCAG AA passes).

Color values

HEX	#0A0748
RGB	rgb(10, 7, 72)
HSL	hsl(243, 82%, 15%)
HSV	hsv(243, 90%, 28%)
CMYK	cmyk(86.1%, 90.3%, 0%, 71.8%)
CIE-LAB	lab(6.18, 26.09, -38.66)
CIE-LCH	lch(6.18, 46.64, 304.02°)
OKLab	oklab(20.16% 0.004 -0.1126)
OKLCH	oklch(20.16% 0.113 272)
XYZ	xyz(1.3705, 0.6842, 6.1895)
Luminance	0.0068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0748 #454807

analogous

#072448 #0A0748 #2A0748

triadic

#0A0748 #480A07 #07480A

tetradic

#0A0748 #480724 #454807 #07482A

square

#0A0748 #480724 #454807 #07482A

split-complementary

#0A0748 #482A07 #244807

monochromatic

#04031C #04031C #0A0748 #120C80 #1912B8

Accessibility & contrast

On white

18.47

#0A0748 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0A0748 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0748

18.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0748	#FFFFFF	#000000	##FFFFFF
##0A0748	1.00	18.47	1.14	18.47
#FFFFFF	18.47	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00174A

Deuteranopia (green-blind)

#001047

Tritanopia (blue-blind)

#001C28

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0a0748;
/* rgb */ color: rgb(10, 7, 72);
/* oklch */ color: oklch(20.2% 0.113 272.0);

Tailwind

colors: {
  custom: {
    50: '#57487c',
    500: '#0a0748',
    950: '#000000',
  },
}

SCSS

$custom: #0a0748;
$custom-light: #57487c;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0748",
  "rgb": {
    "r": 10,
    "g": 7,
    "b": 72
  },
  "hsl": {
    "h": 242.769,
    "s": 82.278,
    "l": 15.49
  },
  "oklch": {
    "l": 0.20161,
    "c": 0.11272,
    "h": 272
  },
  "luminance": 0.00684
}

Semantic roles & 50–950 ramp

primary

#0A0748

secondary

#828724

accent

#F92FEF

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#040009

muted

#79777B

Preview Lab

Preview with #0A0748

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

Preview Lab → · Contrast checker → · Palette generator →