#0A0D4C#0A0D4C

#0A0D4C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.6% C 0.112 H 270.4°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#0A0D4C
RGB	rgb(10, 13, 76)
HSL	hsl(237, 77%, 17%)
HSV	hsv(237, 87%, 30%)
CMYK	cmyk(86.8%, 82.9%, 0%, 70.2%)
CIE-LAB	lab(7.89, 24.43, -38.62)
CIE-LCH	lch(7.89, 45.70, 302.31°)
OKLab	oklab(21.63% 0.0007 -0.1119)
OKLCH	oklch(21.63% 0.112 270.4)
XYZ	xyz(1.5732, 0.8740, 6.9219)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0D4C #4C490A

analogous

#0A2E4C #0A0D4C #280A4C

triadic

#0A0D4C #4C0A0D #0D4C0A

tetradic

#0A0D4C #4C0A2E #4C490A #0A4C28

square

#0A0D4C #4C0A2E #4C490A #0A4C28

split-complementary

#0A0D4C #4C280A #2E4C0A

monochromatic

#04051B #04051B #0A0D4C #111682 #1820B8

Accessibility & contrast

On white

17.88

#0A0D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0A0D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0D4C

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0D4C	#FFFFFF	#000000	##FFFFFF
##0A0D4C	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4E

Deuteranopia (green-blind)

#00144B

Tritanopia (blue-blind)

#00202C

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0a0d4c;
/* rgb */ color: rgb(10, 13, 76);
/* oklch */ color: oklch(21.6% 0.112 270.4);

Tailwind

colors: {
  custom: {
    50: '#584c7f',
    500: '#0a0d4c',
    950: '#000000',
  },
}

SCSS

$custom: #0a0d4c;
$custom-light: #584c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0d4c",
  "rgb": {
    "r": 10,
    "g": 13,
    "b": 76
  },
  "hsl": {
    "h": 237.273,
    "s": 76.744,
    "l": 16.863
  },
  "oklch": {
    "l": 0.2163,
    "c": 0.11186,
    "h": 270.4
  },
  "luminance": 0.00874
}

Semantic roles & 50–950 ramp

primary

#0A0D4C

secondary

#898429

accent

#EB35F3

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04010A

muted

#79777C

Preview Lab

Preview with #0A0D4C

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

Preview Lab → · Contrast checker → · Palette generator →