#0A072F#0A072F

#0A072F is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.9% C 0.077 H 278.0°. Best body text is #FFFFFF at 19.37:1 contrast (WCAG AA passes).

Color values

HEX	#0A072F
RGB	rgb(10, 7, 47)
HSL	hsl(245, 74%, 11%)
HSV	hsv(245, 85%, 18%)
CMYK	cmyk(78.7%, 85.1%, 0%, 81.6%)
CIE-LAB	lab(3.81, 12.83, -24.40)
CIE-LCH	lch(3.81, 27.57, 297.74°)
OKLab	oklab(16.89% 0.0107 -0.0758)
OKLCH	oklch(16.89% 0.077 278)
XYZ	xyz(0.7141, 0.4217, 2.7325)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A072F #2C2F07

analogous

#07182F #0A072F #1E072F

triadic

#0A072F #2F0A07 #072F0A

tetradic

#0A072F #2F0718 #2C2F07 #072F1E

square

#0A072F #2F0718 #2C2F07 #072F1E

split-complementary

#0A072F #2F1E07 #182F07

monochromatic

#06041B #06041B #0A072F #150F64 #21179A

Accessibility & contrast

On white

19.37

#0A072F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0A072F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A072F

19.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A072F	#FFFFFF	#000000	##FFFFFF
##0A072F	1.00	19.37	1.08	19.37
#FFFFFF	19.37	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F30

Deuteranopia (green-blind)

#000C2E

Tritanopia (blue-blind)

#00121A

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #0a072f;
/* rgb */ color: rgb(10, 7, 47);
/* oklch */ color: oklch(16.9% 0.077 278.0);

Tailwind

colors: {
  custom: {
    50: '#4d4968',
    500: '#0a072f',
    950: '#000000',
  },
}

SCSS

$custom: #0a072f;
$custom-light: #4d4968;
$custom-dark: #000000;

JSON

{
  "hex": "#0a072f",
  "rgb": {
    "r": 10,
    "g": 7,
    "b": 47
  },
  "hsl": {
    "h": 244.5,
    "s": 74.074,
    "l": 10.588
  },
  "oklch": {
    "l": 0.16889,
    "c": 0.07651,
    "h": 278
  },
  "luminance": 0.00422
}

Semantic roles & 50–950 ramp

primary

#0A072F

secondary

#696F23

accent

#F137E3

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0A072F

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

Preview Lab → · Contrast checker → · Palette generator →