#0F1753#0F1753

#0F1753 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.6% C 0.108 H 270.1°. Best body text is #FFFFFF at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#0F1753
RGB	rgb(15, 23, 83)
HSL	hsl(233, 69%, 19%)
HSV	hsv(233, 82%, 33%)
CMYK	cmyk(81.9%, 72.3%, 0%, 67.5%)
CIE-LAB	lab(11.54, 20.78, -37.42)
CIE-LCH	lch(11.54, 42.80, 299.04°)
OKLab	oklab(24.58% 0.0002 -0.1083)
OKLCH	oklch(24.58% 0.108 270.1)
XYZ	xyz(2.0642, 1.3387, 8.3315)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1753 #534B0F

analogous

#0F3953 #0F1753 #290F53

triadic

#0F1753 #530F17 #17530F

tetradic

#0F1753 #530F39 #534B0F #0F5329

square

#0F1753 #530F39 #534B0F #0F5329

split-complementary

#0F1753 #53290F #39530F

monochromatic

#05071A #06091F #0F1753 #182587 #2234BB

Accessibility & contrast

On white

16.56

#0F1753 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0F1753 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1753

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1753	#FFFFFF	#000000	##FFFFFF
##0F1753	1.00	16.56	1.27	16.56
#FFFFFF	16.56	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002255

Deuteranopia (green-blind)

#001B52

Tritanopia (blue-blind)

#002732

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0f1753;
/* rgb */ color: rgb(15, 23, 83);
/* oklch */ color: oklch(24.6% 0.108 270.1);

Tailwind

colors: {
  custom: {
    50: '#5a5484',
    500: '#0f1753',
    950: '#000000',
  },
}

SCSS

$custom: #0f1753;
$custom-light: #5a5484;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1753",
  "rgb": {
    "r": 15,
    "g": 23,
    "b": 83
  },
  "hsl": {
    "h": 232.941,
    "s": 69.388,
    "l": 19.216
  },
  "oklch": {
    "l": 0.24579,
    "c": 0.10826,
    "h": 270.1
  },
  "luminance": 0.01339
}

Semantic roles & 50–950 ramp

primary

#0F1753

secondary

#8D8231

accent

#D73CEC

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0F1753

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

Preview Lab → · Contrast checker → · Palette generator →