#0A063F#0A063F

#0A063F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 18.8% C 0.102 H 274.0°. Best body text is #FFFFFF at 18.91:1 contrast (WCAG AA passes).

Color values

HEX	#0A063F
RGB	rgb(10, 6, 63)
HSL	hsl(244, 83%, 14%)
HSV	hsv(244, 90%, 25%)
CMYK	cmyk(84.1%, 90.5%, 0%, 75.3%)
CIE-LAB	lab(5.00, 22.14, -34.21)
CIE-LCH	lch(5.00, 40.75, 302.92°)
OKLab	oklab(18.76% 0.0071 -0.1013)
OKLCH	oklch(18.76% 0.102 274)
XYZ	xyz(1.0872, 0.5535, 4.7512)
Luminance	0.0055 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.60

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A063F #3B3F06

analogous

#061E3F #0A063F #26063F

triadic

#0A063F #3F0A06 #063F0A

tetradic

#0A063F #3F061E #3B3F06 #063F26

square

#0A063F #3F061E #3B3F06 #063F26

split-complementary

#0A063F #3F2606 #1E3F06

monochromatic

#04031C #04031C #0A063F #130B77 #1C11AF

Accessibility & contrast

On white

18.91

#0A063F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0A063F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A063F

18.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A063F	#FFFFFF	#000000	##FFFFFF
##0A063F	1.00	18.91	1.11	18.91
#FFFFFF	18.91	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001341

Deuteranopia (green-blind)

#000E3E

Tritanopia (blue-blind)

#001722

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0a063f;
/* rgb */ color: rgb(10, 6, 63);
/* oklch */ color: oklch(18.8% 0.102 274.0);

Tailwind

colors: {
  custom: {
    50: '#534875',
    500: '#0a063f',
    950: '#000000',
  },
}

SCSS

$custom: #0a063f;
$custom-light: #534875;
$custom-dark: #000000;

JSON

{
  "hex": "#0a063f",
  "rgb": {
    "r": 10,
    "g": 6,
    "b": 63
  },
  "hsl": {
    "h": 244.211,
    "s": 82.609,
    "l": 13.529
  },
  "oklch": {
    "l": 0.18757,
    "c": 0.10158,
    "h": 274
  },
  "luminance": 0.00554
}

Semantic roles & 50–950 ramp

primary

#0A063F

secondary

#787F22

accent

#F92FEB

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0A063F

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

Preview Lab → · Contrast checker → · Palette generator →