#0F1857#0F1857

#0F1857 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.2% C 0.113 H 269.6°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#0F1857
RGB	rgb(15, 24, 87)
HSL	hsl(233, 71%, 20%)
HSV	hsv(233, 83%, 34%)
CMYK	cmyk(82.8%, 72.4%, 0%, 65.9%)
CIE-LAB	lab(12.24, 21.70, -38.99)
CIE-LCH	lch(12.24, 44.63, 299.10°)
OKLab	oklab(25.22% -0.0008 -0.1128)
OKLCH	oklch(25.22% 0.113 269.6)
XYZ	xyz(2.2433, 1.4427, 9.1752)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1857 #574E0F

analogous

#0F3C57 #0F1857 #2A0F57

triadic

#0F1857 #570F18 #18570F

tetradic

#0F1857 #570F3C #574E0F #0F572A

square

#0F1857 #570F3C #574E0F #0F572A

split-complementary

#0F1857 #572A0F #3C570F

monochromatic

#05071A #060A23 #0F1857 #18268B #2135BF

Accessibility & contrast

On white

16.30

#0F1857 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0F1857 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1857

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1857	#FFFFFF	#000000	##FFFFFF
##0F1857	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002359

Deuteranopia (green-blind)

#001D56

Tritanopia (blue-blind)

#002935

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0f1857;
/* rgb */ color: rgb(15, 24, 87);
/* oklch */ color: oklch(25.2% 0.113 269.6);

Tailwind

colors: {
  custom: {
    50: '#5b5487',
    500: '#0f1857',
    950: '#000000',
  },
}

SCSS

$custom: #0f1857;
$custom-light: #5b5487;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1857",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 87
  },
  "hsl": {
    "h": 232.5,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.25216,
    "c": 0.11285,
    "h": 269.6
  },
  "luminance": 0.01443
}

Semantic roles & 50–950 ramp

primary

#0F1857

secondary

#918531

accent

#D73AED

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #0F1857

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

Preview Lab → · Contrast checker → · Palette generator →