#0F2553#0F2553

#0F2553 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.7% C 0.089 H 262.8°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#0F2553
RGB	rgb(15, 37, 83)
HSL	hsl(221, 69%, 19%)
HSV	hsv(221, 82%, 33%)
CMYK	cmyk(81.9%, 55.4%, 0%, 67.5%)
CIE-LAB	lab(15.74, 10.26, -30.58)
CIE-LCH	lch(15.74, 32.26, 288.55°)
OKLab	oklab(27.72% -0.0111 -0.088)
OKLCH	oklch(27.72% 0.089 262.8)
XYZ	xyz(2.4193, 2.0490, 8.4499)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F2553 #533D0F

analogous

#0F4753 #0F2553 #1B0F53

triadic

#0F2553 #530F25 #25530F

tetradic

#0F2553 #530F47 #533D0F #0F531B

square

#0F2553 #530F47 #533D0F #0F531B

split-complementary

#0F2553 #531B0F #47530F

monochromatic

#050C1A #060E1F #0F2553 #183C87 #2253BB

Accessibility & contrast

On white

14.90

#0F2553 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0F2553 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F2553

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F2553	#FFFFFF	#000000	##FFFFFF
##0F2553	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082B55

Deuteranopia (green-blind)

#002452

Tritanopia (blue-blind)

#003038

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0f2553;
/* rgb */ color: rgb(15, 37, 83);
/* oklch */ color: oklch(27.7% 0.089 262.8);

Tailwind

colors: {
  custom: {
    50: '#595f84',
    500: '#0f2553',
    950: '#000000',
  },
}

SCSS

$custom: #0f2553;
$custom-light: #595f84;
$custom-dark: #000000;

JSON

{
  "hex": "#0f2553",
  "rgb": {
    "r": 15,
    "g": 37,
    "b": 83
  },
  "hsl": {
    "h": 220.588,
    "s": 69.388,
    "l": 19.216
  },
  "oklch": {
    "l": 0.27716,
    "c": 0.08866,
    "h": 262.8
  },
  "luminance": 0.02049
}

Semantic roles & 50–950 ramp

primary

#0F2553

secondary

#8D6F31

accent

#B33CEC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #0F2553

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

Preview Lab → · Contrast checker → · Palette generator →