#0F1553#0F1553

#0F1553 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.2% C 0.111 H 270.8°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#0F1553
RGB	rgb(15, 21, 83)
HSL	hsl(235, 69%, 19%)
HSV	hsv(235, 82%, 33%)
CMYK	cmyk(81.9%, 74.7%, 0%, 67.5%)
CIE-LAB	lab(11.01, 22.22, -38.30)
CIE-LCH	lch(11.01, 44.28, 300.12°)
OKLab	oklab(24.19% 0.0015 -0.1108)
OKLCH	oklch(24.19% 0.111 270.8)
XYZ	xyz(2.0260, 1.2622, 8.3188)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1553 #534D0F

analogous

#0F3753 #0F1553 #2B0F53

triadic

#0F1553 #530F15 #15530F

tetradic

#0F1553 #530F37 #534D0F #0F532B

square

#0F1553 #530F37 #534D0F #0F532B

split-complementary

#0F1553 #532B0F #37530F

monochromatic

#05071A #06081F #0F1553 #182287 #222FBB

Accessibility & contrast

On white

16.77

#0F1553 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0F1553 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1553

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1553	#FFFFFF	#000000	##FFFFFF
##0F1553	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002155

Deuteranopia (green-blind)

#001A52

Tritanopia (blue-blind)

#002632

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0f1553;
/* rgb */ color: rgb(15, 21, 83);
/* oklch */ color: oklch(24.2% 0.111 270.8);

Tailwind

colors: {
  custom: {
    50: '#5b5284',
    500: '#0f1553',
    950: '#000000',
  },
}

SCSS

$custom: #0f1553;
$custom-light: #5b5284;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1553",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 83
  },
  "hsl": {
    "h": 234.706,
    "s": 69.388,
    "l": 19.216
  },
  "oklch": {
    "l": 0.24191,
    "c": 0.11084,
    "h": 270.8
  },
  "luminance": 0.01262
}

Semantic roles & 50–950 ramp

primary

#0F1553

secondary

#8D8531

accent

#DD3CEC

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0F1553

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

Preview Lab → · Contrast checker → · Palette generator →