#0F185C#0F185C

#0F185C is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.8% C 0.120 H 269.4°. Best body text is #FFFFFF at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#0F185C
RGB	rgb(15, 24, 92)
HSL	hsl(233, 72%, 21%)
HSV	hsv(233, 84%, 36%)
CMYK	cmyk(83.7%, 73.9%, 0%, 63.9%)
CIE-LAB	lab(12.78, 23.74, -41.47)
CIE-LCH	lch(12.78, 47.79, 299.79°)
OKLab	oklab(25.77% -0.0013 -0.1201)
OKLCH	oklch(25.77% 0.12 269.4)
XYZ	xyz(2.4547, 1.5273, 10.2886)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F185C #5C530F

analogous

#0F3E5C #0F185C #2C0F5C

triadic

#0F185C #5C0F18 #185C0F

tetradic

#0F185C #5C0F3E #5C530F #0F5C2C

square

#0F185C #5C0F3E #5C530F #0F5C2C

split-complementary

#0F185C #5C2C0F #3E5C0F

monochromatic

#04071A #060A27 #0F185C #182691 #2033C5

Accessibility & contrast

On white

16.08

#0F185C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0F185C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F185C

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F185C	#FFFFFF	#000000	##FFFFFF
##0F185C	1.00	16.08	1.31	16.08
#FFFFFF	16.08	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255E

Deuteranopia (green-blind)

#001D5B

Tritanopia (blue-blind)

#002B37

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0f185c;
/* rgb */ color: rgb(15, 24, 92);
/* oklch */ color: oklch(25.8% 0.120 269.4);

Tailwind

colors: {
  custom: {
    50: '#5d558b',
    500: '#0f185c',
    950: '#000000',
  },
}

SCSS

$custom: #0f185c;
$custom-light: #5d558b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f185c",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 92
  },
  "hsl": {
    "h": 232.987,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25773,
    "c": 0.1201,
    "h": 269.4
  },
  "luminance": 0.01528
}

Semantic roles & 50–950 ramp

primary

#0F185C

secondary

#958A31

accent

#D939EF

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F185C

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

Preview Lab → · Contrast checker → · Palette generator →