#0D174A#0D174A

#0D174A is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.095 H 269.1°. Best body text is #FFFFFF at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#0D174A
RGB	rgb(13, 23, 74)
HSL	hsl(230, 70%, 17%)
HSV	hsv(230, 82%, 29%)
CMYK	cmyk(82.4%, 68.9%, 0%, 71%)
CIE-LAB	lab(10.50, 16.73, -32.94)
CIE-LCH	lch(10.50, 36.94, 296.92°)
OKLab	oklab(23.5% -0.0016 -0.0952)
OKLCH	oklch(23.5% 0.095 269.1)
XYZ	xyz(1.7080, 1.1926, 6.6174)
Luminance	0.0119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D174A #4A400D

analogous

#0D364A #0D174A #220D4A

triadic

#0D174A #4A0D17 #174A0D

tetradic

#0D174A #4A0D36 #4A400D #0D4A22

square

#0D174A #4A0D36 #4A400D #0D4A22

split-complementary

#0D174A #4A220D #364A0D

monochromatic

#05081A #05081A #0D174A #16277E #1F37B2

Accessibility & contrast

On white

16.95

#0D174A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0D174A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D174A

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D174A	#FFFFFF	#000000	##FFFFFF
##0D174A	1.00	16.95	1.24	16.95
#FFFFFF	16.95	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4C

Deuteranopia (green-blind)

#001A49

Tritanopia (blue-blind)

#00242D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0d174a;
/* rgb */ color: rgb(13, 23, 74);
/* oklch */ color: oklch(23.5% 0.095 269.1);

Tailwind

colors: {
  custom: {
    50: '#57537d',
    500: '#0d174a',
    950: '#000000',
  },
}

SCSS

$custom: #0d174a;
$custom-light: #57537d;
$custom-dark: #000000;

JSON

{
  "hex": "#0d174a",
  "rgb": {
    "r": 13,
    "g": 23,
    "b": 74
  },
  "hsl": {
    "h": 230.164,
    "s": 70.115,
    "l": 17.059
  },
  "oklch": {
    "l": 0.235,
    "c": 0.0952,
    "h": 269.1
  },
  "luminance": 0.01193
}

Semantic roles & 50–950 ramp

primary

#0D174A

secondary

#85772E

accent

#D03BED

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0D174A

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

Preview Lab → · Contrast checker → · Palette generator →