#0A0D43#0A0D43

#0A0D43 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.5% C 0.099 H 271.4°. Best body text is #FFFFFF at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#0A0D43
RGB	rgb(10, 13, 67)
HSL	hsl(237, 74%, 15%)
HSV	hsv(237, 85%, 26%)
CMYK	cmyk(85.1%, 80.6%, 0%, 73.7%)
CIE-LAB	lab(6.84, 20.56, -34.04)
CIE-LCH	lch(6.84, 39.77, 301.13°)
OKLab	oklab(20.51% 0.0024 -0.0988)
OKLCH	oklch(20.51% 0.099 271.4)
XYZ	xyz(1.2819, 0.7575, 5.3878)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.14

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0D43 #43400A

analogous

#0A2943 #0A0D43 #230A43

triadic

#0A0D43 #430A0D #0D430A

tetradic

#0A0D43 #430A29 #43400A #0A4323

square

#0A0D43 #430A29 #43400A #0A4323

split-complementary

#0A0D43 #43230A #29430A

monochromatic

#04051B #04051B #0A0D43 #121778 #1A22AE

Accessibility & contrast

On white

18.24

#0A0D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0A0D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0D43

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0D43	#FFFFFF	#000000	##FFFFFF
##0A0D43	1.00	18.24	1.15	18.24
#FFFFFF	18.24	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001845

Deuteranopia (green-blind)

#001242

Tritanopia (blue-blind)

#001C27

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0a0d43;
/* rgb */ color: rgb(10, 13, 67);
/* oklch */ color: oklch(20.5% 0.099 271.4);

Tailwind

colors: {
  custom: {
    50: '#554c78',
    500: '#0a0d43',
    950: '#000000',
  },
}

SCSS

$custom: #0a0d43;
$custom-light: #554c78;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0d43",
  "rgb": {
    "r": 10,
    "g": 13,
    "b": 67
  },
  "hsl": {
    "h": 236.842,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.20506,
    "c": 0.09887,
    "h": 271.4
  },
  "luminance": 0.00758
}

Semantic roles & 50–950 ramp

primary

#0A0D43

secondary

#807C29

accent

#E737F1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030109

muted

#78777B

Preview Lab

Preview with #0A0D43

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

Preview Lab → · Contrast checker → · Palette generator →