#0A073B#0A073B

#0A073B is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.4% C 0.095 H 274.6°. Best body text is #FFFFFF at 18.98:1 contrast (WCAG AA passes).

Color values

HEX	#0A073B
RGB	rgb(10, 7, 59)
HSL	hsl(243, 79%, 13%)
HSV	hsv(243, 88%, 23%)
CMYK	cmyk(83.1%, 88.1%, 0%, 76.9%)
CIE-LAB	lab(4.81, 19.52, -31.63)
CIE-LCH	lch(4.81, 37.17, 301.68°)
OKLab	oklab(18.41% 0.0076 -0.0943)
OKLCH	oklch(18.41% 0.095 274.6)
XYZ	xyz(0.9903, 0.5322, 4.1874)
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

#0A073B #383B07

analogous

#071E3B #0A073B #24073B

triadic

#0A073B #3B0A07 #073B0A

tetradic

#0A073B #3B071E #383B07 #073B24

square

#0A073B #3B071E #383B07 #073B24

split-complementary

#0A073B #3B2407 #1E3B07

monochromatic

#05031B #05031B #0A073B #130D72 #1D14A8

Accessibility & contrast

On white

18.98

#0A073B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0A073B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A073B

18.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A073B	#FFFFFF	#000000	##FFFFFF
##0A073B	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)

#00133C

Deuteranopia (green-blind)

#000E3A

Tritanopia (blue-blind)

#001620

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0a073b;
/* rgb */ color: rgb(10, 7, 59);
/* oklch */ color: oklch(18.4% 0.095 274.6);

Tailwind

colors: {
  custom: {
    50: '#524972',
    500: '#0a073b',
    950: '#000000',
  },
}

SCSS

$custom: #0a073b;
$custom-light: #524972;
$custom-dark: #000000;

JSON

{
  "hex": "#0a073b",
  "rgb": {
    "r": 10,
    "g": 7,
    "b": 59
  },
  "hsl": {
    "h": 243.462,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.18412,
    "c": 0.09457,
    "h": 274.6
  },
  "luminance": 0.00532
}

Semantic roles & 50–950 ramp

primary

#0A073B

secondary

#757A23

accent

#F533EA

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#030008

muted

#78777B

Preview Lab

Preview with #0A073B

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

Preview Lab → · Contrast checker → · Palette generator →