#0A0639#0A0639

#0A0639 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.9% C 0.093 H 275.5°. Best body text is #FFFFFF at 19.13:1 contrast (WCAG AA passes).

Color values

HEX	#0A0639
RGB	rgb(10, 6, 57)
HSL	hsl(245, 81%, 12%)
HSV	hsv(245, 89%, 22%)
CMYK	cmyk(82.5%, 89.5%, 0%, 77.6%)
CIE-LAB	lab(4.43, 18.84, -30.80)
CIE-LCH	lch(4.43, 36.10, 301.46°)
OKLab	oklab(17.95% 0.0089 -0.0926)
OKLCH	oklch(17.95% 0.093 275.5)
XYZ	xyz(0.9286, 0.4901, 3.9158)
Luminance	0.0049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0639 #353906

analogous

#061C39 #0A0639 #240639

triadic

#0A0639 #390A06 #06390A

tetradic

#0A0639 #39061C #353906 #063924

square

#0A0639 #39061C #353906 #063924

split-complementary

#0A0639 #392406 #1C3906

monochromatic

#05031C #05031C #0A0639 #140C70 #1D12A8

Accessibility & contrast

On white

19.13

#0A0639 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0A0639 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0639

19.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0639	#FFFFFF	#000000	##FFFFFF
##0A0639	1.00	19.13	1.10	19.13
#FFFFFF	19.13	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123A

Deuteranopia (green-blind)

#000D38

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0a0639;
/* rgb */ color: rgb(10, 6, 57);
/* oklch */ color: oklch(17.9% 0.093 275.5);

Tailwind

colors: {
  custom: {
    50: '#514870',
    500: '#0a0639',
    950: '#000000',
  },
}

SCSS

$custom: #0a0639;
$custom-light: #514870;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0639",
  "rgb": {
    "r": 10,
    "g": 6,
    "b": 57
  },
  "hsl": {
    "h": 244.706,
    "s": 80.952,
    "l": 12.353
  },
  "oklch": {
    "l": 0.17949,
    "c": 0.09308,
    "h": 275.5
  },
  "luminance": 0.0049
}

Semantic roles & 50–950 ramp

primary

#0A0639

secondary

#727922

accent

#F730E8

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #0A0639

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

Preview Lab → · Contrast checker → · Palette generator →