#0D154D#0D154D

#0D154D is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.4% C 0.103 H 269.8°. Best body text is #FFFFFF at 17.05:1 contrast (WCAG AA passes).

Color values

HEX	#0D154D
RGB	rgb(13, 21, 77)
HSL	hsl(233, 71%, 18%)
HSV	hsv(233, 83%, 30%)
CMYK	cmyk(83.1%, 72.7%, 0%, 69.8%)
CIE-LAB	lab(10.24, 19.51, -35.45)
CIE-LCH	lch(10.24, 40.46, 298.82°)
OKLab	oklab(23.4% -0.0003 -0.1025)
OKLCH	oklch(23.4% 0.103 269.8)
XYZ	xyz(1.7732, 1.1575, 7.1497)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D154D #4D450D

analogous

#0D354D #0D154D #250D4D

triadic

#0D154D #4D0D15 #154D0D

tetradic

#0D154D #4D0D35 #4D450D #0D4D25

square

#0D154D #4D0D35 #4D450D #0D4D25

split-complementary

#0D154D #4D250D #354D0D

monochromatic

#04071A #04071A #0D154D #162381 #1F32B6

Accessibility & contrast

On white

17.05

#0D154D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#0D154D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D154D

17.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D154D	#FFFFFF	#000000	##FFFFFF
##0D154D	1.00	17.05	1.23	17.05
#FFFFFF	17.05	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F4F

Deuteranopia (green-blind)

#00194C

Tritanopia (blue-blind)

#00242E

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #0d154d;
/* rgb */ color: rgb(13, 21, 77);
/* oklch */ color: oklch(23.4% 0.103 269.8);

Tailwind

colors: {
  custom: {
    50: '#58527f',
    500: '#0d154d',
    950: '#000000',
  },
}

SCSS

$custom: #0d154d;
$custom-light: #58527f;
$custom-dark: #000000;

JSON

{
  "hex": "#0d154d",
  "rgb": {
    "r": 13,
    "g": 21,
    "b": 77
  },
  "hsl": {
    "h": 232.5,
    "s": 71.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.23402,
    "c": 0.10254,
    "h": 269.8
  },
  "luminance": 0.01158
}

Semantic roles & 50–950 ramp

primary

#0D154D

secondary

#887D2E

accent

#D73AEE

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0D154D

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

Preview Lab → · Contrast checker → · Palette generator →