#0F185E#0F185E

#0F185E is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.0% C 0.123 H 269.3°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#0F185E
RGB	rgb(15, 24, 94)
HSL	hsl(233, 72%, 21%)
HSV	hsv(233, 84%, 37%)
CMYK	cmyk(84%, 74.5%, 0%, 63.1%)
CIE-LAB	lab(13.00, 24.55, -42.45)
CIE-LCH	lch(13.00, 49.04, 300.04°)
OKLab	oklab(26% -0.0015 -0.1229)
OKLCH	oklch(26% 0.123 269.3)
XYZ	xyz(2.5433, 1.5627, 10.7551)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F185E #5E550F

analogous

#0F405E #0F185E #2E0F5E

triadic

#0F185E #5E0F18 #185E0F

tetradic

#0F185E #5E0F40 #5E550F #0F5E2E

square

#0F185E #5E0F40 #5E550F #0F5E2E

split-complementary

#0F185E #5E2E0F #405E0F

monochromatic

#04071A #070B29 #0F185E #172593 #2033C8

Accessibility & contrast

On white

16.00

#0F185E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0F185E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F185E

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F185E	#FFFFFF	#000000	##FFFFFF
##0F185E	1.00	16.00	1.31	16.00
#FFFFFF	16.00	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002560

Deuteranopia (green-blind)

#001E5D

Tritanopia (blue-blind)

#002B39

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0f185e;
/* rgb */ color: rgb(15, 24, 94);
/* oklch */ color: oklch(26.0% 0.123 269.3);

Tailwind

colors: {
  custom: {
    50: '#5d558c',
    500: '#0f185e',
    950: '#000000',
  },
}

SCSS

$custom: #0f185e;
$custom-light: #5d558c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f185e",
  "rgb": {
    "r": 15,
    "g": 24,
    "b": 94
  },
  "hsl": {
    "h": 233.165,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.26,
    "c": 0.12295,
    "h": 269.3
  },
  "luminance": 0.01563
}

Semantic roles & 50–950 ramp

primary

#0F185E

secondary

#978C31

accent

#DA39EF

background

#F5F4F8

surface

#EAE8F0

border

#C6C4CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F185E

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

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