#0F1558#0F1558

#0F1558 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.8% C 0.118 H 270.4°. Best body text is #FFFFFF at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#0F1558
RGB	rgb(15, 21, 88)
HSL	hsl(235, 71%, 20%)
HSV	hsv(235, 83%, 35%)
CMYK	cmyk(83%, 76.1%, 0%, 65.5%)
CIE-LAB	lab(11.57, 24.23, -40.78)
CIE-LCH	lch(11.57, 47.43, 300.72°)
OKLab	oklab(24.76% 0.0008 -0.1181)
OKLCH	oklch(24.76% 0.118 270.4)
XYZ	xyz(2.2260, 1.3422, 9.3724)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1558 #58520F

analogous

#0F3A58 #0F1558 #2D0F58

triadic

#0F1558 #580F15 #15580F

tetradic

#0F1558 #580F3A #58520F #0F582D

square

#0F1558 #580F3A #58520F #0F582D

split-complementary

#0F1558 #582D0F #3A580F

monochromatic

#04061A #060924 #0F1558 #18218C #212EC1

Accessibility & contrast

On white

16.56

#0F1558 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0F1558 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1558

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1558	#FFFFFF	#000000	##FFFFFF
##0F1558	1.00	16.56	1.27	16.56
#FFFFFF	16.56	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225A

Deuteranopia (green-blind)

#001B57

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0f1558;
/* rgb */ color: rgb(15, 21, 88);
/* oklch */ color: oklch(24.8% 0.118 270.4);

Tailwind

colors: {
  custom: {
    50: '#5c5288',
    500: '#0f1558',
    950: '#000000',
  },
}

SCSS

$custom: #0f1558;
$custom-light: #5c5288;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1558",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 88
  },
  "hsl": {
    "h": 235.068,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24763,
    "c": 0.11806,
    "h": 270.4
  },
  "luminance": 0.01342
}

Semantic roles & 50–950 ramp

primary

#0F1558

secondary

#928A31

accent

#DF3AEE

background

#F5F4F8

surface

#E9E7F0

border

#C5C3CB

text

#05020B

muted

#79787C

Preview Lab

Preview with #0F1558

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

Preview Lab → · Contrast checker → · Palette generator →