#0F1855#0F1855

#0F1855 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.110 H 269.7°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#0F1855
RGB	rgb(15, 24, 85)
HSL	hsl(232, 70%, 20%)
HSV	hsv(232, 82%, 33%)
CMYK	cmyk(82.4%, 71.8%, 0%, 66.7%)
CIE-LAB	lab(12.03, 20.88, -37.99)
CIE-LCH	lch(12.03, 43.35, 298.80°)
OKLab	oklab(25% -0.0007 -0.1099)
OKLCH	oklch(25% 0.11 269.7)
XYZ	xyz(2.1628, 1.4105, 8.7508)
Luminance	0.0141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1855 #554C0F

analogous

#0F3B55 #0F1855 #290F55

triadic

#0F1855 #550F18 #18550F

tetradic

#0F1855 #550F3B #554C0F #0F5529

square

#0F1855 #550F3B #554C0F #0F5529

split-complementary

#0F1855 #55290F #3B550F

monochromatic

#05071A #060921 #0F1855 #182789 #2135BD

Accessibility & contrast

On white

16.38

#0F1855 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0F1855 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1855

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1855	#FFFFFF	#000000	##FFFFFF
##0F1855	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002357

Deuteranopia (green-blind)

#001C54

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0f1855;
/* rgb */ color: rgb(15, 24, 85);
/* oklch */ color: oklch(25.0% 0.110 269.7);

Tailwind

colors: {
  custom: {
    50: '#5b5486',
    500: '#0f1855',
    950: '#000000',
  },
}

SCSS

$custom: #0f1855;
$custom-light: #5b5486;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1855",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 85
  },
  "hsl": {
    "h": 232.286,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.24997,
    "c": 0.10991,
    "h": 269.7
  },
  "luminance": 0.01411
}

Semantic roles & 50–950 ramp

primary

#0F1855

secondary

#8F8331

accent

#D63BED

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0F1855

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

Preview Lab → · Contrast checker → · Palette generator →