#0F1951#0F1951

#0F1951 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.8% C 0.103 H 269.4°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#0F1951
RGB	rgb(15, 25, 81)
HSL	hsl(231, 69%, 19%)
HSV	hsv(231, 81%, 32%)
CMYK	cmyk(81.5%, 69.1%, 0%, 68.2%)
CIE-LAB	lab(11.90, 18.47, -35.48)
CIE-LCH	lch(11.90, 40.00, 297.50°)
OKLab	oklab(24.77% -0.0011 -0.1025)
OKLCH	oklch(24.77% 0.103 269.4)
XYZ	xyz(2.0293, 1.3907, 7.9445)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1951 #51470F

analogous

#0F3A51 #0F1951 #260F51

triadic

#0F1951 #510F19 #19510F

tetradic

#0F1951 #510F3A #51470F #0F5126

square

#0F1951 #510F3A #51470F #0F5126

split-complementary

#0F1951 #51260F #3A510F

monochromatic

#05081A #05091D #0F1951 #192985 #2239B8

Accessibility & contrast

On white

16.43

#0F1951 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#0F1951 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1951

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1951	#FFFFFF	#000000	##FFFFFF
##0F1951	1.00	16.43	1.28	16.43
#FFFFFF	16.43	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002253

Deuteranopia (green-blind)

#001C50

Tritanopia (blue-blind)

#002832

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0f1951;
/* rgb */ color: rgb(15, 25, 81);
/* oklch */ color: oklch(24.8% 0.103 269.4);

Tailwind

colors: {
  custom: {
    50: '#595582',
    500: '#0f1951',
    950: '#000000',
  },
}

SCSS

$custom: #0f1951;
$custom-light: #595582;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1951",
  "rgb": {
    "r": 15,
    "g": 25,
    "b": 81
  },
  "hsl": {
    "h": 230.909,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.24774,
    "c": 0.10256,
    "h": 269.4
  },
  "luminance": 0.01391
}

Semantic roles & 50–950 ramp

primary

#0F1951

secondary

#8B7D31

accent

#D13CEC

background

#F5F4F8

surface

#E9E8EF

border

#C5C4CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #0F1951

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

Preview Lab → · Contrast checker → · Palette generator →