#0F1851#0F1851

#0F1851 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.6% C 0.104 H 269.8°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#0F1851
RGB	rgb(15, 24, 81)
HSL	hsl(232, 69%, 19%)
HSV	hsv(232, 81%, 32%)
CMYK	cmyk(81.5%, 70.4%, 0%, 68.2%)
CIE-LAB	lab(11.61, 19.21, -35.94)
CIE-LCH	lch(11.61, 40.75, 298.13°)
OKLab	oklab(24.57% -0.0004 -0.1039)
OKLCH	oklch(24.57% 0.104 269.8)
XYZ	xyz(2.0083, 1.3487, 7.9375)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.96

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1851 #51480F

analogous

#0F3951 #0F1851 #270F51

triadic

#0F1851 #510F18 #18510F

tetradic

#0F1851 #510F39 #51480F #0F5127

square

#0F1851 #510F39 #51480F #0F5127

split-complementary

#0F1851 #51270F #39510F

monochromatic

#05081A #05091D #0F1851 #192785 #2237B8

Accessibility & contrast

On white

16.54

#0F1851 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0F1851 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1851

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1851	#FFFFFF	#000000	##FFFFFF
##0F1851	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002253

Deuteranopia (green-blind)

#001C50

Tritanopia (blue-blind)

#002732

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0f1851;
/* rgb */ color: rgb(15, 24, 81);
/* oklch */ color: oklch(24.6% 0.104 269.8);

Tailwind

colors: {
  custom: {
    50: '#5a5482',
    500: '#0f1851',
    950: '#000000',
  },
}

SCSS

$custom: #0f1851;
$custom-light: #5a5482;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1851",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 81
  },
  "hsl": {
    "h": 231.818,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.24566,
    "c": 0.10392,
    "h": 269.8
  },
  "luminance": 0.01349
}

Semantic roles & 50–950 ramp

primary

#0F1851

secondary

#8B7F31

accent

#D43CEC

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F1851

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

Preview Lab → · Contrast checker → · Palette generator →