#0A0633#0A0633

#0A0633 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.2% C 0.084 H 277.3°. Best body text is #FFFFFF at 19.32:1 contrast (WCAG AA passes).

Color values

HEX	#0A0633
RGB	rgb(10, 6, 51)
HSL	hsl(245, 79%, 11%)
HSV	hsv(245, 88%, 20%)
CMYK	cmyk(80.4%, 88.2%, 0%, 80%)
CIE-LAB	lab(3.92, 15.38, -27.21)
CIE-LCH	lch(3.92, 31.25, 299.47°)
OKLab	oklab(17.16% 0.0107 -0.0836)
OKLCH	oklch(17.16% 0.084 277.3)
XYZ	xyz(0.7876, 0.4337, 3.1735)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight

#03012D

ΔE00 1.99

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0633 #2F3306

analogous

#061833 #0A0633 #200633

triadic

#0A0633 #330A06 #06330A

tetradic

#0A0633 #330618 #2F3306 #063320

square

#0A0633 #330618 #2F3306 #063320

split-complementary

#0A0633 #332006 #183306

monochromatic

#05031B #05031B #0A0633 #150C6A #1F13A1

Accessibility & contrast

On white

19.32

#0A0633 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#0A0633 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0633

19.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0633	#FFFFFF	#000000	##FFFFFF
##0A0633	1.00	19.32	1.09	19.32
#FFFFFF	19.32	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001034

Deuteranopia (green-blind)

#000C32

Tritanopia (blue-blind)

#00131C

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0a0633;
/* rgb */ color: rgb(10, 6, 51);
/* oklch */ color: oklch(17.2% 0.084 277.3);

Tailwind

colors: {
  custom: {
    50: '#4e496b',
    500: '#0a0633',
    950: '#000000',
  },
}

SCSS

$custom: #0a0633;
$custom-light: #4e496b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0633",
  "rgb": {
    "r": 10,
    "g": 6,
    "b": 51
  },
  "hsl": {
    "h": 245.333,
    "s": 78.947,
    "l": 11.176
  },
  "oklch": {
    "l": 0.17164,
    "c": 0.08428,
    "h": 277.3
  },
  "luminance": 0.00434
}

Semantic roles & 50–950 ramp

primary

#0A0633

secondary

#6C7421

accent

#F532E4

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020007

muted

#78777A

Preview Lab

Preview with #0A0633

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

Preview Lab → · Contrast checker → · Palette generator →