#0A0638#0A0638

#0A0638 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.8% C 0.092 H 275.8°. Best body text is #FFFFFF at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#0A0638
RGB	rgb(10, 6, 56)
HSL	hsl(245, 81%, 12%)
HSV	hsv(245, 89%, 22%)
CMYK	cmyk(82.1%, 89.3%, 0%, 78%)
CIE-LAB	lab(4.34, 18.27, -30.21)
CIE-LCH	lch(4.34, 35.31, 301.16°)
OKLab	oklab(17.82% 0.0092 -0.0912)
OKLCH	oklch(17.82% 0.092 275.8)
XYZ	xyz(0.9039, 0.4802, 3.7857)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0638 #343806

analogous

#061B38 #0A0638 #230638

triadic

#0A0638 #380A06 #06380A

tetradic

#0A0638 #38061B #343806 #063823

square

#0A0638 #38061B #343806 #063823

split-complementary

#0A0638 #382306 #1B3806

monochromatic

#05031C #05031C #0A0638 #140C6F #1E12A7

Accessibility & contrast

On white

19.16

#0A0638 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0A0638 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0638

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0638	#FFFFFF	#000000	##FFFFFF
##0A0638	1.00	19.16	1.10	19.16
#FFFFFF	19.16	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001139

Deuteranopia (green-blind)

#000D37

Tritanopia (blue-blind)

#00151E

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0a0638;
/* rgb */ color: rgb(10, 6, 56);
/* oklch */ color: oklch(17.8% 0.092 275.8);

Tailwind

colors: {
  custom: {
    50: '#51486f',
    500: '#0a0638',
    950: '#000000',
  },
}

SCSS

$custom: #0a0638;
$custom-light: #51486f;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0638",
  "rgb": {
    "r": 10,
    "g": 6,
    "b": 56
  },
  "hsl": {
    "h": 244.8,
    "s": 80.645,
    "l": 12.157
  },
  "oklch": {
    "l": 0.17817,
    "c": 0.09163,
    "h": 275.8
  },
  "luminance": 0.0048
}

Semantic roles & 50–950 ramp

primary

#0A0638

secondary

#717821

accent

#F731E7

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #0A0638

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

Preview Lab → · Contrast checker → · Palette generator →