#0F1B5E#0F1B5E

#0F1B5E is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.6% C 0.119 H 268.5°. Best body text is #FFFFFF at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#0F1B5E
RGB	rgb(15, 27, 94)
HSL	hsl(231, 72%, 21%)
HSV	hsv(231, 84%, 37%)
CMYK	cmyk(84%, 71.3%, 0%, 63.1%)
CIE-LAB	lab(13.79, 22.43, -41.16)
CIE-LCH	lch(13.79, 46.87, 298.59°)
OKLab	oklab(26.57% -0.0032 -0.1191)
OKLCH	oklch(26.57% 0.119 268.5)
XYZ	xyz(2.6086, 1.6933, 10.7769)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1B5E #5E520F

analogous

#0F435E #0F1B5E #2B0F5E

triadic

#0F1B5E #5E0F1B #1B5E0F

tetradic

#0F1B5E #5E0F43 #5E520F #0F5E2B

square

#0F1B5E #5E0F43 #5E520F #0F5E2B

split-complementary

#0F1B5E #5E2B0F #435E0F

monochromatic

#04081A #070C29 #0F1B5E #172A93 #2039C8

Accessibility & contrast

On white

15.69

#0F1B5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#0F1B5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1B5E

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1B5E	#FFFFFF	#000000	##FFFFFF
##0F1B5E	1.00	15.69	1.34	15.69
#FFFFFF	15.69	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002760

Deuteranopia (green-blind)

#001F5D

Tritanopia (blue-blind)

#002D3A

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0f1b5e;
/* rgb */ color: rgb(15, 27, 94);
/* oklch */ color: oklch(26.6% 0.119 268.5);

Tailwind

colors: {
  custom: {
    50: '#5d578c',
    500: '#0f1b5e',
    950: '#000000',
  },
}

SCSS

$custom: #0f1b5e;
$custom-light: #5d578c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1b5e",
  "rgb": {
    "r": 15,
    "g": 27,
    "b": 94
  },
  "hsl": {
    "h": 230.886,
    "s": 72.477,
    "l": 21.373
  },
  "oklch": {
    "l": 0.26571,
    "c": 0.11919,
    "h": 268.5
  },
  "luminance": 0.01694
}

Semantic roles & 50–950 ramp

primary

#0F1B5E

secondary

#978831

accent

#D339EF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F1B5E

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

Preview Lab → · Contrast checker → · Palette generator →