#0F033B#0F033B

#0F033B is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.1% C 0.099 H 281.3°. Best body text is #FFFFFF at 19.15:1 contrast (WCAG AA passes).

Color values

HEX	#0F033B
RGB	rgb(15, 3, 59)
HSL	hsl(253, 90%, 12%)
HSV	hsv(253, 95%, 23%)
CMYK	cmyk(74.6%, 94.9%, 0%, 76.9%)
CIE-LAB	lab(4.36, 22.49, -32.35)
CIE-LCH	lch(4.36, 39.40, 304.81°)
OKLab	oklab(18.08% 0.0195 -0.0971)
OKLCH	oklch(18.08% 0.099 281.3)
XYZ	xyz(1.0187, 0.4824, 4.1762)
Luminance	0.0048 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Night Blue

#040348

ΔE00 3.35

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F033B #2F3B03

analogous

#03133B #0F033B #2B033B

triadic

#0F033B #3B0F03 #033B0F

tetradic

#0F033B #3B0313 #2F3B03 #033B2B

square

#0F033B #3B0313 #2F3B03 #033B2B

split-complementary

#0F033B #3B2B03 #133B03

monochromatic

#07011D #07011D #0F033B #1E0675 #2D09AF

Accessibility & contrast

On white

19.15

#0F033B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#0F033B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F033B

19.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F033B	#FFFFFF	#000000	##FFFFFF
##0F033B	1.00	19.15	1.10	19.15
#FFFFFF	19.15	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113D

Deuteranopia (green-blind)

#000D3A

Tritanopia (blue-blind)

#00141F

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #0f033b;
/* rgb */ color: rgb(15, 3, 59);
/* oklch */ color: oklch(18.1% 0.099 281.3);

Tailwind

colors: {
  custom: {
    50: '#544772',
    500: '#0f033b',
    950: '#000000',
  },
}

SCSS

$custom: #0f033b;
$custom-light: #544772;
$custom-dark: #000000;

JSON

{
  "hex": "#0f033b",
  "rgb": {
    "r": 15,
    "g": 3,
    "b": 59
  },
  "hsl": {
    "h": 252.857,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.18083,
    "c": 0.09903,
    "h": 281.3
  },
  "luminance": 0.00482
}

Semantic roles & 50–950 ramp

primary

#0F033B

secondary

#697E1C

accent

#FF29D1

background

#F5F3F6

surface

#E9E5EC

border

#C5C1C7

text

#030008

muted

#78777B

Preview Lab

Preview with #0F033B

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

Preview Lab → · Contrast checker → · Palette generator →