#0F1B52#0F1B52

#0F1B52 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.3% C 0.101 H 268.5°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#0F1B52
RGB	rgb(15, 27, 82)
HSL	hsl(229, 69%, 19%)
HSV	hsv(229, 82%, 32%)
CMYK	cmyk(81.7%, 67.1%, 0%, 67.8%)
CIE-LAB	lab(12.57, 17.40, -35.05)
CIE-LCH	lch(12.57, 39.13, 296.40°)
OKLab	oklab(25.31% -0.0027 -0.1013)
OKLCH	oklch(25.31% 0.101 268.5)
XYZ	xyz(2.1114, 1.4944, 8.1582)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1B52 #52460F

analogous

#0F3D52 #0F1B52 #250F52

triadic

#0F1B52 #520F1B #1B520F

tetradic

#0F1B52 #520F3D #52460F #0F5225

square

#0F1B52 #520F3D #52460F #0F5225

split-complementary

#0F1B52 #52250F #3D520F

monochromatic

#05091A #060A1E #0F1B52 #182C86 #223DB9

Accessibility & contrast

On white

16.17

#0F1B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0F1B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1B52

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1B52	#FFFFFF	#000000	##FFFFFF
##0F1B52	1.00	16.17	1.30	16.17
#FFFFFF	16.17	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002454

Deuteranopia (green-blind)

#001E51

Tritanopia (blue-blind)

#002933

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0f1b52;
/* rgb */ color: rgb(15, 27, 82);
/* oklch */ color: oklch(25.3% 0.101 268.5);

Tailwind

colors: {
  custom: {
    50: '#5a5783',
    500: '#0f1b52',
    950: '#000000',
  },
}

SCSS

$custom: #0f1b52;
$custom-light: #5a5783;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1b52",
  "rgb": {
    "r": 15,
    "g": 27,
    "b": 82
  },
  "hsl": {
    "h": 229.254,
    "s": 69.072,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25305,
    "c": 0.10132,
    "h": 268.5
  },
  "luminance": 0.01495
}

Semantic roles & 50–950 ramp

primary

#0F1B52

secondary

#8C7C31

accent

#CC3CEC

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #0F1B52

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

Preview Lab → · Contrast checker → · Palette generator →