#0A063D#0A063D

#0A063D is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.5% C 0.099 H 274.5°. Best body text is #FFFFFF at 18.98:1 contrast (WCAG AA passes).

Color values

HEX	#0A063D
RGB	rgb(10, 6, 61)
HSL	hsl(244, 82%, 13%)
HSV	hsv(244, 90%, 24%)
CMYK	cmyk(83.6%, 90.2%, 0%, 76.1%)
CIE-LAB	lab(4.80, 21.07, -33.09)
CIE-LCH	lch(4.80, 39.23, 302.48°)
OKLab	oklab(18.49% 0.0077 -0.0985)
OKLCH	oklch(18.49% 0.099 274.5)
XYZ	xyz(1.0323, 0.5316, 4.4622)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A063D #393D06

analogous

#061D3D #0A063D #25063D

triadic

#0A063D #3D0A06 #063D0A

tetradic

#0A063D #3D061D #393D06 #063D25

square

#0A063D #3D061D #393D06 #063D25

split-complementary

#0A063D #3D2506 #1D3D06

monochromatic

#05031C #05031C #0A063D #130B75 #1C11AC

Accessibility & contrast

On white

18.98

#0A063D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0A063D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A063D

18.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A063D	#FFFFFF	#000000	##FFFFFF
##0A063D	1.00	18.98	1.11	18.98
#FFFFFF	18.98	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133F

Deuteranopia (green-blind)

#000E3C

Tritanopia (blue-blind)

#001721

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0a063d;
/* rgb */ color: rgb(10, 6, 61);
/* oklch */ color: oklch(18.5% 0.099 274.5);

Tailwind

colors: {
  custom: {
    50: '#534873',
    500: '#0a063d',
    950: '#000000',
  },
}

SCSS

$custom: #0a063d;
$custom-light: #534873;
$custom-dark: #000000;

JSON

{
  "hex": "#0a063d",
  "rgb": {
    "r": 10,
    "g": 6,
    "b": 61
  },
  "hsl": {
    "h": 244.364,
    "s": 82.09,
    "l": 13.137
  },
  "oklch": {
    "l": 0.18485,
    "c": 0.09877,
    "h": 274.5
  },
  "luminance": 0.00532
}

Semantic roles & 50–950 ramp

primary

#0A063D

secondary

#767D22

accent

#F82FEA

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0A063D

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

Preview Lab → · Contrast checker → · Palette generator →