#0F1F4B#0F1F4B

#0F1F4B is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.6% C 0.085 H 265.6°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#0F1F4B
RGB	rgb(15, 31, 75)
HSL	hsl(224, 67%, 18%)
HSV	hsv(224, 80%, 29%)
CMYK	cmyk(80%, 58.7%, 0%, 70.6%)
CIE-LAB	lab(13.16, 11.32, -29.29)
CIE-LCH	lch(13.16, 31.41, 291.13°)
OKLab	oklab(25.55% -0.0064 -0.0843)
OKLCH	oklch(25.55% 0.085 265.6)
XYZ	xyz(1.9565, 1.5893, 6.8589)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1F4B #4B3B0F

analogous

#0F3D4B #0F1F4B #1D0F4B

triadic

#0F1F4B #4B0F1F #1F4B0F

tetradic

#0F1F4B #4B0F3D #4B3B0F #0F4B1D

square

#0F1F4B #4B0F3D #4B3B0F #0F4B1D

split-complementary

#0F1F4B #4B1D0F #3D4B0F

monochromatic

#050B1A #050B1A #0F1F4B #19347E #2349B1

Accessibility & contrast

On white

15.93

#0F1F4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0F1F4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1F4B

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1F4B	#FFFFFF	#000000	##FFFFFF
##0F1F4B	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02254D

Deuteranopia (green-blind)

#001F4A

Tritanopia (blue-blind)

#002A31

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0f1f4b;
/* rgb */ color: rgb(15, 31, 75);
/* oklch */ color: oklch(25.6% 0.085 265.6);

Tailwind

colors: {
  custom: {
    50: '#575a7e',
    500: '#0f1f4b',
    950: '#000000',
  },
}

SCSS

$custom: #0f1f4b;
$custom-light: #575a7e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1f4b",
  "rgb": {
    "r": 15,
    "g": 31,
    "b": 75
  },
  "hsl": {
    "h": 224,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.2555,
    "c": 0.08455,
    "h": 265.6
  },
  "luminance": 0.0159
}

Semantic roles & 50–950 ramp

primary

#0F1F4B

secondary

#856F30

accent

#BC3EEA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #0F1F4B

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

Preview Lab → · Contrast checker → · Palette generator →