#0A063B#0A063B

#0A063B is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.2% C 0.096 H 275.0°. Best body text is #FFFFFF at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#0A063B
RGB	rgb(10, 6, 59)
HSL	hsl(245, 82%, 13%)
HSV	hsv(245, 90%, 23%)
CMYK	cmyk(83.1%, 89.8%, 0%, 76.9%)
CIE-LAB	lab(4.61, 19.97, -31.95)
CIE-LCH	lch(4.61, 37.68, 302.00°)
OKLab	oklab(18.22% 0.0083 -0.0956)
OKLCH	oklch(18.22% 0.096 275)
XYZ	xyz(0.9795, 0.5105, 4.1837)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A063B #373B06

analogous

#061D3B #0A063B #24063B

triadic

#0A063B #3B0A06 #063B0A

tetradic

#0A063B #3B061D #373B06 #063B24

square

#0A063B #3B061D #373B06 #063B24

split-complementary

#0A063B #3B2406 #1D3B06

monochromatic

#05031C #05031C #0A063B #130C73 #1D11AA

Accessibility & contrast

On white

19.05

#0A063B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0A063B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A063B

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A063B	#FFFFFF	#000000	##FFFFFF
##0A063B	1.00	19.05	1.10	19.05
#FFFFFF	19.05	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123C

Deuteranopia (green-blind)

#000D3A

Tritanopia (blue-blind)

#001620

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0a063b;
/* rgb */ color: rgb(10, 6, 59);
/* oklch */ color: oklch(18.2% 0.096 275.0);

Tailwind

colors: {
  custom: {
    50: '#524872',
    500: '#0a063b',
    950: '#000000',
  },
}

SCSS

$custom: #0a063b;
$custom-light: #524872;
$custom-dark: #000000;

JSON

{
  "hex": "#0a063b",
  "rgb": {
    "r": 10,
    "g": 6,
    "b": 59
  },
  "hsl": {
    "h": 244.528,
    "s": 81.538,
    "l": 12.745
  },
  "oklch": {
    "l": 0.18216,
    "c": 0.09594,
    "h": 275
  },
  "luminance": 0.00511
}

Semantic roles & 50–950 ramp

primary

#0A063B

secondary

#747B22

accent

#F830E9

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#030008

muted

#78777B

Preview Lab

Preview with #0A063B

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

Preview Lab → · Contrast checker → · Palette generator →