#0F3171#0F3171

#0F3171 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.2% C 0.118 H 261.5°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#0F3171
RGB	rgb(15, 49, 113)
HSL	hsl(219, 77%, 25%)
HSV	hsv(219, 87%, 44%)
CMYK	cmyk(86.7%, 56.6%, 0%, 55.7%)
CIE-LAB	lab(21.91, 14.42, -40.33)
CIE-LCH	lch(21.91, 42.83, 289.67°)
OKLab	oklab(33.17% -0.0173 -0.1164)
OKLCH	oklch(33.17% 0.118 261.5)
XYZ	xyz(4.2749, 3.4899, 16.0679)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F3171 #714F0F

analogous

#0F6271 #0F3171 #1E0F71

triadic

#0F3171 #710F31 #31710F

tetradic

#0F3171 #710F62 #714F0F #0F711E

square

#0F3171 #710F62 #714F0F #0F711E

split-complementary

#0F3171 #711E0F #62710F

monochromatic

#040C1B #081A3B #0F3171 #1648A7 #1D60DD

Accessibility & contrast

On white

12.37

#0F3171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#0F3171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F3171

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F3171	#FFFFFF	#000000	##FFFFFF
##0F3171	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003973

Deuteranopia (green-blind)

#003070

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0f3171;
/* rgb */ color: rgb(15, 49, 113);
/* oklch */ color: oklch(33.2% 0.118 261.5);

Tailwind

colors: {
  custom: {
    50: '#61689a',
    500: '#0f3171',
    950: '#000000',
  },
}

SCSS

$custom: #0f3171;
$custom-light: #61689a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f3171",
  "rgb": {
    "r": 15,
    "g": 49,
    "b": 113
  },
  "hsl": {
    "h": 219.184,
    "s": 76.563,
    "l": 25.098
  },
  "oklch": {
    "l": 0.33175,
    "c": 0.11767,
    "h": 261.5
  },
  "luminance": 0.0349
}

Semantic roles & 50–950 ramp

primary

#0F3171

secondary

#A98033

accent

#B135F3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #0F3171

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

Preview Lab → · Contrast checker → · Palette generator →