#0F1B5C#0F1B5C

#0F1B5C is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.116 H 268.5°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#0F1B5C
RGB	rgb(15, 27, 92)
HSL	hsl(231, 72%, 21%)
HSV	hsv(231, 84%, 36%)
CMYK	cmyk(83.7%, 70.7%, 0%, 63.9%)
CIE-LAB	lab(13.58, 21.60, -40.16)
CIE-LCH	lch(13.58, 45.60, 298.27°)
OKLab	oklab(26.36% -0.0031 -0.1162)
OKLCH	oklch(26.36% 0.116 268.5)
XYZ	xyz(2.5200, 1.6578, 10.3103)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1B5C #5C500F

analogous

#0F415C #0F1B5C #290F5C

triadic

#0F1B5C #5C0F1B #1B5C0F

tetradic

#0F1B5C #5C0F41 #5C500F #0F5C29

square

#0F1B5C #5C0F41 #5C500F #0F5C29

split-complementary

#0F1B5C #5C290F #415C0F

monochromatic

#04081A #060C27 #0F1B5C #182A91 #203AC5

Accessibility & contrast

On white

15.77

#0F1B5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0F1B5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1B5C

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1B5C	#FFFFFF	#000000	##FFFFFF
##0F1B5C	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265E

Deuteranopia (green-blind)

#001F5B

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0f1b5c;
/* rgb */ color: rgb(15, 27, 92);
/* oklch */ color: oklch(26.4% 0.116 268.5);

Tailwind

colors: {
  custom: {
    50: '#5d578b',
    500: '#0f1b5c',
    950: '#000000',
  },
}

SCSS

$custom: #0f1b5c;
$custom-light: #5d578b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1b5c",
  "rgb": {
    "r": 15,
    "g": 27,
    "b": 92
  },
  "hsl": {
    "h": 230.649,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.26355,
    "c": 0.11629,
    "h": 268.5
  },
  "luminance": 0.01658
}

Semantic roles & 50–950 ramp

primary

#0F1B5C

secondary

#958631

accent

#D239EF

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F1B5C

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

Preview Lab → · Contrast checker → · Palette generator →