#0F1A5A#0F1A5A

#0F1A5A is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.115 H 268.8°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#0F1A5A
RGB	rgb(15, 26, 90)
HSL	hsl(231, 71%, 21%)
HSV	hsv(231, 83%, 35%)
CMYK	cmyk(83.3%, 71.1%, 0%, 64.7%)
CIE-LAB	lab(13.10, 21.50, -39.61)
CIE-LCH	lch(13.10, 45.07, 298.49°)
OKLab	oklab(25.94% -0.0023 -0.1146)
OKLCH	oklch(25.94% 0.115 268.8)
XYZ	xyz(2.4112, 1.5783, 9.8484)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1A5A #5A4F0F

analogous

#0F3F5A #0F1A5A #290F5A

triadic

#0F1A5A #5A0F1A #1A5A0F

tetradic

#0F1A5A #5A0F3F #5A4F0F #0F5A29

square

#0F1A5A #5A0F3F #5A4F0F #0F5A29

split-complementary

#0F1A5A #5A290F #3F5A0F

monochromatic

#04081A #060B26 #0F1A5A #18298E #2038C3

Accessibility & contrast

On white

15.96

#0F1A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0F1A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1A5A

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1A5A	#FFFFFF	#000000	##FFFFFF
##0F1A5A	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255C

Deuteranopia (green-blind)

#001E59

Tritanopia (blue-blind)

#002B37

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0f1a5a;
/* rgb */ color: rgb(15, 26, 90);
/* oklch */ color: oklch(25.9% 0.115 268.8);

Tailwind

colors: {
  custom: {
    50: '#5c5689',
    500: '#0f1a5a',
    950: '#000000',
  },
}

SCSS

$custom: #0f1a5a;
$custom-light: #5c5689;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1a5a",
  "rgb": {
    "r": 15,
    "g": 26,
    "b": 90
  },
  "hsl": {
    "h": 231.2,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.25939,
    "c": 0.11466,
    "h": 268.8
  },
  "luminance": 0.01579
}

Semantic roles & 50–950 ramp

primary

#0F1A5A

secondary

#948531

accent

#D43AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F1A5A

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

Preview Lab → · Contrast checker → · Palette generator →