#0F1552#0F1552

#0F1552 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 24.1% C 0.109 H 270.8°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#0F1552
RGB	rgb(15, 21, 82)
HSL	hsl(235, 69%, 19%)
HSV	hsv(235, 82%, 32%)
CMYK	cmyk(81.7%, 74.4%, 0%, 67.8%)
CIE-LAB	lab(10.90, 21.81, -37.80)
CIE-LCH	lch(10.90, 43.64, 299.99°)
OKLab	oklab(24.08% 0.0016 -0.1094)
OKLCH	oklch(24.08% 0.109 270.8)
XYZ	xyz(1.9876, 1.2469, 8.1169)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1552 #524C0F

analogous

#0F3752 #0F1552 #2B0F52

triadic

#0F1552 #520F15 #15520F

tetradic

#0F1552 #520F37 #524C0F #0F522B

square

#0F1552 #520F37 #524C0F #0F522B

split-complementary

#0F1552 #522B0F #37520F

monochromatic

#05071A #06081E #0F1552 #182286 #222FB9

Accessibility & contrast

On white

16.81

#0F1552 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0F1552 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1552

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1552	#FFFFFF	#000000	##FFFFFF
##0F1552	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002054

Deuteranopia (green-blind)

#001A51

Tritanopia (blue-blind)

#002631

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0f1552;
/* rgb */ color: rgb(15, 21, 82);
/* oklch */ color: oklch(24.1% 0.109 270.8);

Tailwind

colors: {
  custom: {
    50: '#5a5283',
    500: '#0f1552',
    950: '#000000',
  },
}

SCSS

$custom: #0f1552;
$custom-light: #5a5283;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1552",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 82
  },
  "hsl": {
    "h": 234.627,
    "s": 69.072,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24078,
    "c": 0.10937,
    "h": 270.8
  },
  "luminance": 0.01247
}

Semantic roles & 50–950 ramp

primary

#0F1552

secondary

#8C8431

accent

#DC3CEC

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0F1552

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

Preview Lab → · Contrast checker → · Palette generator →