#0D123A#0D123A

#0D123A is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.7% C 0.077 H 272.4°. Best body text is #FFFFFF at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#0D123A
RGB	rgb(13, 18, 58)
HSL	hsl(233, 63%, 14%)
HSV	hsv(233, 78%, 23%)
CMYK	cmyk(77.6%, 69%, 0%, 77.3%)
CIE-LAB	lab(7.44, 13.61, -26.63)
CIE-LCH	lch(7.44, 29.90, 297.08°)
OKLab	oklab(20.73% 0.0032 -0.0768)
OKLCH	oklch(20.73% 0.077 272.4)
XYZ	xyz(1.1458, 0.8236, 4.1007)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.63

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D123A #3A350D

analogous

#0D293A #0D123A #1F0D3A

triadic

#0D123A #3A0D12 #123A0D

tetradic

#0D123A #3A0D29 #3A350D #0D3A1F

square

#0D123A #3A0D29 #3A350D #0D3A1F

split-complementary

#0D123A #3A1F0D #293A0D

monochromatic

#060819 #060819 #0D123A #18226C #23319E

Accessibility & contrast

On white

18.03

#0D123A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0D123A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D123A

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D123A	#FFFFFF	#000000	##FFFFFF
##0D123A	1.00	18.03	1.16	18.03
#FFFFFF	18.03	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183B

Deuteranopia (green-blind)

#001439

Tritanopia (blue-blind)

#001C23

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0d123a;
/* rgb */ color: rgb(13, 18, 58);
/* oklch */ color: oklch(20.7% 0.077 272.4);

Tailwind

colors: {
  custom: {
    50: '#534f70',
    500: '#0d123a',
    950: '#000000',
  },
}

SCSS

$custom: #0d123a;
$custom-light: #534f70;
$custom-dark: #000000;

JSON

{
  "hex": "#0d123a",
  "rgb": {
    "r": 13,
    "g": 18,
    "b": 58
  },
  "hsl": {
    "h": 233.333,
    "s": 63.38,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20733,
    "c": 0.07686,
    "h": 272.4
  },
  "luminance": 0.00824
}

Semantic roles & 50–950 ramp

primary

#0D123A

secondary

#766D2D

accent

#D441E6

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #0D123A

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

Preview Lab → · Contrast checker → · Palette generator →