#0A0647#0A0647

#0A0647 is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.9% C 0.113 H 272.4°. Best body text is #FFFFFF at 18.58:1 contrast (WCAG AA passes).

Color values

HEX	#0A0647
RGB	rgb(10, 6, 71)
HSL	hsl(244, 84%, 15%)
HSV	hsv(244, 92%, 28%)
CMYK	cmyk(85.9%, 91.5%, 0%, 72.2%)
CIE-LAB	lab(5.87, 26.14, -38.47)
CIE-LCH	lch(5.87, 46.51, 304.20°)
OKLab	oklab(19.86% 0.0047 -0.1124)
OKLCH	oklch(19.86% 0.113 272.4)
XYZ	xyz(1.3272, 0.6496, 6.0154)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0647 #434706

analogous

#062347 #0A0647 #2A0647

triadic

#0A0647 #470A06 #06470A

tetradic

#0A0647 #470623 #434706 #06472A

square

#0A0647 #470623 #434706 #06472A

split-complementary

#0A0647 #472A06 #234706

monochromatic

#04021C #04021C #0A0647 #120B7F #1A10B8

Accessibility & contrast

On white

18.58

#0A0647 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0A0647 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0647

18.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0647	#FFFFFF	#000000	##FFFFFF
##0A0647	1.00	18.58	1.13	18.58
#FFFFFF	18.58	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001649

Deuteranopia (green-blind)

#001046

Tritanopia (blue-blind)

#001B27

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0a0647;
/* rgb */ color: rgb(10, 6, 71);
/* oklch */ color: oklch(19.9% 0.113 272.4);

Tailwind

colors: {
  custom: {
    50: '#57487b',
    500: '#0a0647',
    950: '#000000',
  },
}

SCSS

$custom: #0a0647;
$custom-light: #57487b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0647",
  "rgb": {
    "r": 10,
    "g": 6,
    "b": 71
  },
  "hsl": {
    "h": 243.692,
    "s": 84.416,
    "l": 15.098
  },
  "oklch": {
    "l": 0.19859,
    "c": 0.11251,
    "h": 272.4
  },
  "luminance": 0.0065
}

Semantic roles & 50–950 ramp

primary

#0A0647

secondary

#808623

accent

#FB2DEE

background

#F5F4F7

surface

#E9E6EE

border

#C5C2C9

text

#040009

muted

#79777B

Preview Lab

Preview with #0A0647

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

Preview Lab → · Contrast checker → · Palette generator →