#0F3471#0F3471

#0F3471 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.9% C 0.114 H 260.1°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#0F3471
RGB	rgb(15, 52, 113)
HSL	hsl(217, 77%, 25%)
HSV	hsv(217, 87%, 44%)
CMYK	cmyk(86.7%, 54%, 0%, 55.7%)
CIE-LAB	lab(22.82, 12.25, -38.84)
CIE-LCH	lch(22.82, 40.73, 287.50°)
OKLab	oklab(33.87% -0.0196 -0.1119)
OKLCH	oklch(33.87% 0.114 260.1)
XYZ	xyz(4.4045, 3.7493, 16.1111)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3471 #714C0F

analogous

#0F6571 #0F3471 #1B0F71

triadic

#0F3471 #710F34 #34710F

tetradic

#0F3471 #710F65 #714C0F #0F711B

square

#0F3471 #710F65 #714C0F #0F711B

split-complementary

#0F3471 #711B0F #65710F

monochromatic

#040C1B #081B3B #0F3471 #164DA7 #1D66DD

Accessibility & contrast

On white

12.00

#0F3471 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#0F3471 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3471

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3471	#FFFFFF	#000000	##FFFFFF
##0F3471	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3B73

Deuteranopia (green-blind)

#003270

Tritanopia (blue-blind)

#00434D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0f3471;
/* rgb */ color: rgb(15, 52, 113);
/* oklch */ color: oklch(33.9% 0.114 260.1);

Tailwind

colors: {
  custom: {
    50: '#616a9a',
    500: '#0f3471',
    950: '#000000',
  },
}

SCSS

$custom: #0f3471;
$custom-light: #616a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3471",
  "rgb": {
    "r": 15,
    "g": 52,
    "b": 113
  },
  "hsl": {
    "h": 217.347,
    "s": 76.563,
    "l": 25.098
  },
  "oklch": {
    "l": 0.33873,
    "c": 0.11365,
    "h": 260.1
  },
  "luminance": 0.0375
}

Semantic roles & 50–950 ramp

primary

#0F3471

secondary

#A97C33

accent

#AB35F3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #0F3471

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

Preview Lab → · Contrast checker → · Palette generator →