#0A0843#0A0843

#0A0843 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.7% C 0.105 H 272.7°. Best body text is #FFFFFF at 18.61:1 contrast (WCAG AA passes).

Color values

HEX	#0A0843
RGB	rgb(10, 8, 67)
HSL	hsl(242, 79%, 15%)
HSV	hsv(242, 88%, 26%)
CMYK	cmyk(85.1%, 88.1%, 0%, 73.7%)
CIE-LAB	lab(5.81, 23.21, -35.73)
CIE-LCH	lch(5.81, 42.61, 303.01°)
OKLab	oklab(19.65% 0.0049 -0.1046)
OKLCH	oklch(19.65% 0.105 272.7)
XYZ	xyz(1.2248, 0.6433, 5.3687)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0843 #414308

analogous

#082443 #0A0843 #280843

triadic

#0A0843 #430A08 #08430A

tetradic

#0A0843 #430824 #414308 #084328

square

#0A0843 #430824 #414308 #084328

split-complementary

#0A0843 #432808 #244308

monochromatic

#04031B #04031B #0A0843 #120F7A #1A15B0

Accessibility & contrast

On white

18.61

#0A0843 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0A0843 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0843

18.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0843	#FFFFFF	#000000	##FFFFFF
##0A0843	1.00	18.61	1.13	18.61
#FFFFFF	18.61	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001645

Deuteranopia (green-blind)

#001042

Tritanopia (blue-blind)

#001A25

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0a0843;
/* rgb */ color: rgb(10, 8, 67);
/* oklch */ color: oklch(19.7% 0.105 272.7);

Tailwind

colors: {
  custom: {
    50: '#554978',
    500: '#0a0843',
    950: '#000000',
  },
}

SCSS

$custom: #0a0843;
$custom-light: #554978;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0843",
  "rgb": {
    "r": 10,
    "g": 8,
    "b": 67
  },
  "hsl": {
    "h": 242.034,
    "s": 78.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.19651,
    "c": 0.10471,
    "h": 272.7
  },
  "luminance": 0.00643
}

Semantic roles & 50–950 ramp

primary

#0A0843

secondary

#7E8125

accent

#F533EF

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0A0843

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

Preview Lab → · Contrast checker → · Palette generator →