#0F3371#0F3371

#0F3371 is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.6% C 0.115 H 260.6°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#0F3371
RGB	rgb(15, 51, 113)
HSL	hsl(218, 77%, 25%)
HSV	hsv(218, 87%, 44%)
CMYK	cmyk(86.7%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(22.52, 12.97, -39.34)
CIE-LCH	lch(22.52, 41.43, 288.25°)
OKLab	oklab(33.64% -0.0188 -0.1134)
OKLCH	oklch(33.64% 0.115 260.6)
XYZ	xyz(4.3604, 3.6609, 16.0964)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3371 #714D0F

analogous

#0F6471 #0F3371 #1C0F71

triadic

#0F3371 #710F33 #33710F

tetradic

#0F3371 #710F64 #714D0F #0F711C

square

#0F3371 #710F64 #714D0F #0F711C

split-complementary

#0F3371 #711C0F #64710F

monochromatic

#040C1B #081B3B #0F3371 #164BA7 #1D64DD

Accessibility & contrast

On white

12.12

#0F3371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#0F3371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3371

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3371	#FFFFFF	#000000	##FFFFFF
##0F3371	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#063A73

Deuteranopia (green-blind)

#003270

Tritanopia (blue-blind)

#00424C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0f3371;
/* rgb */ color: rgb(15, 51, 113);
/* oklch */ color: oklch(33.6% 0.115 260.6);

Tailwind

colors: {
  custom: {
    50: '#616a9a',
    500: '#0f3371',
    950: '#000000',
  },
}

SCSS

$custom: #0f3371;
$custom-light: #616a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3371",
  "rgb": {
    "r": 15,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 217.959,
    "s": 76.563,
    "l": 25.098
  },
  "oklch": {
    "l": 0.33638,
    "c": 0.11499,
    "h": 260.6
  },
  "luminance": 0.03661
}

Semantic roles & 50–950 ramp

primary

#0F3371

secondary

#A97E33

accent

#AD35F3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #0F3371

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

Preview Lab → · Contrast checker → · Palette generator →