#0F2759#0F2759

#0F2759 is a dark, moderate blue. Relative luminance 0.023; OKLCH L 28.7% C 0.095 H 262.7°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#0F2759
RGB	rgb(15, 39, 89)
HSL	hsl(221, 71%, 20%)
HSV	hsv(221, 83%, 35%)
CMYK	cmyk(83.1%, 56.2%, 0%, 65.1%)
CIE-LAB	lab(16.86, 11.38, -32.80)
CIE-LCH	lch(16.86, 34.72, 289.14°)
OKLab	oklab(28.72% -0.0121 -0.0945)
OKLCH	oklch(28.72% 0.095 262.7)
XYZ	xyz(2.7250, 2.2736, 9.7445)
Luminance	0.0227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2759 #59410F

analogous

#0F4C59 #0F2759 #1C0F59

triadic

#0F2759 #590F27 #27590F

tetradic

#0F2759 #590F4C #59410F #0F591C

square

#0F2759 #590F4C #59410F #0F591C

split-complementary

#0F2759 #591C0F #4C590F

monochromatic

#040B1A #061025 #0F2759 #183E8D #2155C2

Accessibility & contrast

On white

14.43

#0F2759 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#0F2759 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2759

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2759	#FFFFFF	#000000	##FFFFFF
##0F2759	1.00	14.43	1.45	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052D5B

Deuteranopia (green-blind)

#002658

Tritanopia (blue-blind)

#00333B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #0f2759;
/* rgb */ color: rgb(15, 39, 89);
/* oklch */ color: oklch(28.7% 0.095 262.7);

Tailwind

colors: {
  custom: {
    50: '#5b6088',
    500: '#0f2759',
    950: '#000000',
  },
}

SCSS

$custom: #0f2759;
$custom-light: #5b6088;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2759",
  "rgb": {
    "r": 15,
    "g": 39,
    "b": 89
  },
  "hsl": {
    "h": 220.541,
    "s": 71.154,
    "l": 20.392
  },
  "oklch": {
    "l": 0.28722,
    "c": 0.09524,
    "h": 262.7
  },
  "luminance": 0.02274
}

Semantic roles & 50–950 ramp

primary

#0F2759

secondary

#937331

accent

#B43AEE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04040B

muted

#79797C

Preview Lab

Preview with #0F2759

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

Preview Lab → · Contrast checker → · Palette generator →