#0A053A#0A053A

#0A053A is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.9% C 0.096 H 275.6°. Best body text is #FFFFFF at 19.16:1 contrast (WCAG AA passes).

Color values

HEX	#0A053A
RGB	rgb(10, 5, 58)
HSL	hsl(246, 84%, 12%)
HSV	hsv(246, 91%, 23%)
CMYK	cmyk(82.8%, 91.4%, 0%, 77.3%)
CIE-LAB	lab(4.32, 19.84, -31.69)
CIE-LCH	lch(4.32, 37.39, 302.04°)
OKLab	oklab(17.88% 0.0093 -0.0955)
OKLCH	oklch(17.88% 0.096 275.6)
XYZ	xyz(0.9429, 0.4785, 4.0448)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A053A #353A05

analogous

#051B3A #0A053A #24053A

triadic

#0A053A #3A0A05 #053A0A

tetradic

#0A053A #3A051B #353A05 #053A24

square

#0A053A #3A051B #353A05 #053A24

split-complementary

#0A053A #3A2405 #1B3A05

monochromatic

#05021C #05021C #0A053A #140A72 #1D0FAB

Accessibility & contrast

On white

19.16

#0A053A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0A053A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A053A

19.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A053A	#FFFFFF	#000000	##FFFFFF
##0A053A	1.00	19.16	1.10	19.16
#FFFFFF	19.16	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113B

Deuteranopia (green-blind)

#000D39

Tritanopia (blue-blind)

#00151F

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0a053a;
/* rgb */ color: rgb(10, 5, 58);
/* oklch */ color: oklch(17.9% 0.096 275.6);

Tailwind

colors: {
  custom: {
    50: '#514871',
    500: '#0a053a',
    950: '#000000',
  },
}

SCSS

$custom: #0a053a;
$custom-light: #514871;
$custom-dark: #000000;

JSON

{
  "hex": "#0a053a",
  "rgb": {
    "r": 10,
    "g": 5,
    "b": 58
  },
  "hsl": {
    "h": 245.66,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.1788,
    "c": 0.09595,
    "h": 275.6
  },
  "luminance": 0.00479
}

Semantic roles & 50–950 ramp

primary

#0A053A

secondary

#727B20

accent

#FA2DE7

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020008

muted

#78777B

Preview Lab

Preview with #0A053A

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

Preview Lab → · Contrast checker → · Palette generator →