#0F1B5F#0F1B5F

#0F1B5F is a dark, vivid blue. Relative luminance 0.017; OKLCH L 26.7% C 0.121 H 268.4°. Best body text is #FFFFFF at 15.64:1 contrast (WCAG AA passes).

Color values

HEX	#0F1B5F
RGB	rgb(15, 27, 95)
HSL	hsl(231, 73%, 22%)
HSV	hsv(231, 84%, 37%)
CMYK	cmyk(84.2%, 71.6%, 0%, 62.7%)
CIE-LAB	lab(13.89, 22.84, -41.65)
CIE-LCH	lch(13.89, 47.50, 298.74°)
OKLab	oklab(26.68% -0.0033 -0.1206)
OKLCH	oklch(26.68% 0.121 268.4)
XYZ	xyz(2.6538, 1.7113, 11.0147)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1B5F #5F530F

analogous

#0F435F #0F1B5F #2B0F5F

triadic

#0F1B5F #5F0F1B #1B5F0F

tetradic

#0F1B5F #5F0F43 #5F530F #0F5F2B

square

#0F1B5F #5F0F43 #5F530F #0F5F2B

split-complementary

#0F1B5F #5F2B0F #435F0F

monochromatic

#04081A #070C2A #0F1B5F #172A94 #2039C9

Accessibility & contrast

On white

15.64

#0F1B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#0F1B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1B5F

15.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1B5F	#FFFFFF	#000000	##FFFFFF
##0F1B5F	1.00	15.64	1.34	15.64
#FFFFFF	15.64	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002761

Deuteranopia (green-blind)

#00205E

Tritanopia (blue-blind)

#002D3A

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0f1b5f;
/* rgb */ color: rgb(15, 27, 95);
/* oklch */ color: oklch(26.7% 0.121 268.4);

Tailwind

colors: {
  custom: {
    50: '#5d578d',
    500: '#0f1b5f',
    950: '#000000',
  },
}

SCSS

$custom: #0f1b5f;
$custom-light: #5d578d;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1b5f",
  "rgb": {
    "r": 15,
    "g": 27,
    "b": 95
  },
  "hsl": {
    "h": 231,
    "s": 72.727,
    "l": 21.569
  },
  "oklch": {
    "l": 0.2668,
    "c": 0.12063,
    "h": 268.4
  },
  "luminance": 0.01712
}

Semantic roles & 50–950 ramp

primary

#0F1B5F

secondary

#988932

accent

#D438EF

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #0F1B5F

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

Preview Lab → · Contrast checker → · Palette generator →