#0F2551#0F2551

#0F2551 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.5% C 0.086 H 262.3°. Best body text is #FFFFFF at 14.96:1 contrast (WCAG AA passes).

Color values

HEX	#0F2551
RGB	rgb(15, 37, 81)
HSL	hsl(220, 69%, 19%)
HSV	hsv(220, 81%, 32%)
CMYK	cmyk(81.5%, 54.3%, 0%, 68.2%)
CIE-LAB	lab(15.58, 9.38, -29.48)
CIE-LCH	lch(15.58, 30.94, 287.65°)
OKLab	oklab(27.55% -0.0114 -0.0847)
OKLCH	oklch(27.55% 0.086 262.3)
XYZ	xyz(2.3432, 2.0185, 8.0491)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2551 #513B0F

analogous

#0F4651 #0F2551 #1A0F51

triadic

#0F2551 #510F25 #25510F

tetradic

#0F2551 #510F46 #513B0F #0F511A

square

#0F2551 #510F46 #513B0F #0F511A

split-complementary

#0F2551 #511A0F #46510F

monochromatic

#050C1A #050D1D #0F2551 #193D85 #2254B8

Accessibility & contrast

On white

14.96

#0F2551 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#0F2551 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2551

14.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2551	#FFFFFF	#000000	##FFFFFF
##0F2551	1.00	14.96	1.40	14.96
#FFFFFF	14.96	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2A53

Deuteranopia (green-blind)

#002450

Tritanopia (blue-blind)

#003037

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0f2551;
/* rgb */ color: rgb(15, 37, 81);
/* oklch */ color: oklch(27.5% 0.086 262.3);

Tailwind

colors: {
  custom: {
    50: '#585f82',
    500: '#0f2551',
    950: '#000000',
  },
}

SCSS

$custom: #0f2551;
$custom-light: #585f82;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2551",
  "rgb": {
    "r": 15,
    "g": 37,
    "b": 81
  },
  "hsl": {
    "h": 220,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.27545,
    "c": 0.0855,
    "h": 262.3
  },
  "luminance": 0.02019
}

Semantic roles & 50–950 ramp

primary

#0F2551

secondary

#8B6D31

accent

#B13CEC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040A

muted

#79797C

Preview Lab

Preview with #0F2551

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

Preview Lab → · Contrast checker → · Palette generator →