#0F155E#0F155E

#0F155E is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.5% C 0.126 H 270.0°. Best body text is #FFFFFF at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#0F155E
RGB	rgb(15, 21, 94)
HSL	hsl(235, 72%, 21%)
HSV	hsv(235, 84%, 37%)
CMYK	cmyk(84%, 77.7%, 0%, 63.1%)
CIE-LAB	lab(12.26, 26.59, -43.67)
CIE-LCH	lch(12.26, 51.13, 301.34°)
OKLab	oklab(25.47% -0.0001 -0.1265)
OKLCH	oklch(25.47% 0.126 270)
XYZ	xyz(2.4849, 1.4458, 10.7356)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F155E #5E580F

analogous

#0F3D5E #0F155E #310F5E

triadic

#0F155E #5E0F15 #155E0F

tetradic

#0F155E #5E0F3D #5E580F #0F5E31

square

#0F155E #5E0F3D #5E580F #0F5E31

split-complementary

#0F155E #5E310F #3D5E0F

monochromatic

#04061A #070929 #0F155E #172193 #202DC8

Accessibility & contrast

On white

16.29

#0F155E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0F155E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F155E

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F155E	#FFFFFF	#000000	##FFFFFF
##0F155E	1.00	16.29	1.29	16.29
#FFFFFF	16.29	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002460

Deuteranopia (green-blind)

#001C5D

Tritanopia (blue-blind)

#002A38

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0f155e;
/* rgb */ color: rgb(15, 21, 94);
/* oklch */ color: oklch(25.5% 0.126 270.0);

Tailwind

colors: {
  custom: {
    50: '#5e538d',
    500: '#0f155e',
    950: '#000000',
  },
}

SCSS

$custom: #0f155e;
$custom-light: #5e538d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f155e",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 94
  },
  "hsl": {
    "h": 235.443,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25466,
    "c": 0.12649,
    "h": 270
  },
  "luminance": 0.01446
}

Semantic roles & 50–950 ramp

primary

#0F155E

secondary

#979031

accent

#E139EF

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #0F155E

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

Preview Lab → · Contrast checker → · Palette generator →