#0F1B5D#0F1B5D

#0F1B5D is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.5% C 0.118 H 268.5°. Best body text is #FFFFFF at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#0F1B5D
RGB	rgb(15, 27, 93)
HSL	hsl(231, 72%, 21%)
HSV	hsv(231, 84%, 36%)
CMYK	cmyk(83.9%, 71%, 0%, 63.5%)
CIE-LAB	lab(13.68, 22.01, -40.66)
CIE-LCH	lch(13.68, 46.24, 298.43°)
OKLab	oklab(26.46% -0.0031 -0.1177)
OKLCH	oklch(26.46% 0.118 268.5)
XYZ	xyz(2.5640, 1.6754, 10.5421)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1B5D #5D510F

analogous

#0F425D #0F1B5D #2A0F5D

triadic

#0F1B5D #5D0F1B #1B5D0F

tetradic

#0F1B5D #5D0F42 #5D510F #0F5D2A

square

#0F1B5D #5D0F42 #5D510F #0F5D2A

split-complementary

#0F1B5D #5D2A0F #425D0F

monochromatic

#04081A #060C28 #0F1B5D #172A92 #203AC6

Accessibility & contrast

On white

15.73

#0F1B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#0F1B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1B5D

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1B5D	#FFFFFF	#000000	##FFFFFF
##0F1B5D	1.00	15.73	1.34	15.73
#FFFFFF	15.73	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275F

Deuteranopia (green-blind)

#001F5C

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0f1b5d;
/* rgb */ color: rgb(15, 27, 93);
/* oklch */ color: oklch(26.5% 0.118 268.5);

Tailwind

colors: {
  custom: {
    50: '#5d578c',
    500: '#0f1b5d',
    950: '#000000',
  },
}

SCSS

$custom: #0f1b5d;
$custom-light: #5d578c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1b5d",
  "rgb": {
    "r": 15,
    "g": 27,
    "b": 93
  },
  "hsl": {
    "h": 230.769,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.26463,
    "c": 0.11774,
    "h": 268.5
  },
  "luminance": 0.01676
}

Semantic roles & 50–950 ramp

primary

#0F1B5D

secondary

#968731

accent

#D339EF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F1B5D

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

Preview Lab → · Contrast checker → · Palette generator →