#0F1051#0F1051

#0F1051 is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 23.1% C 0.114 H 272.3°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#0F1051
RGB	rgb(15, 16, 81)
HSL	hsl(239, 69%, 19%)
HSV	hsv(239, 81%, 32%)
CMYK	cmyk(81.5%, 80.2%, 0%, 68.2%)
CIE-LAB	lab(9.53, 24.87, -39.37)
CIE-LCH	lch(9.53, 46.56, 302.28°)
OKLab	oklab(23.06% 0.0047 -0.1139)
OKLCH	oklch(23.06% 0.114 272.3)
XYZ	xyz(1.8670, 1.0660, 7.8904)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1051 #51500F

analogous

#0F3151 #0F1051 #2F0F51

triadic

#0F1051 #510F10 #10510F

tetradic

#0F1051 #510F31 #51500F #0F512F

square

#0F1051 #510F31 #51500F #0F512F

split-complementary

#0F1051 #512F0F #31510F

monochromatic

#05051A #05061D #0F1051 #191A85 #2224B8

Accessibility & contrast

On white

17.31

#0F1051 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0F1051 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1051

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1051	#FFFFFF	#000000	##FFFFFF
##0F1051	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E53

Deuteranopia (green-blind)

#001750

Tritanopia (blue-blind)

#00232F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0f1051;
/* rgb */ color: rgb(15, 16, 81);
/* oklch */ color: oklch(23.1% 0.114 272.3);

Tailwind

colors: {
  custom: {
    50: '#5b4f83',
    500: '#0f1051',
    950: '#000000',
  },
}

SCSS

$custom: #0f1051;
$custom-light: #5b4f83;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1051",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 81
  },
  "hsl": {
    "h": 239.091,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.2306,
    "c": 0.11403,
    "h": 272.3
  },
  "luminance": 0.01066
}

Semantic roles & 50–950 ramp

primary

#0F1051

secondary

#8B8A31

accent

#E93CEC

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0F1051

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

Preview Lab → · Contrast checker → · Palette generator →