#0F123C#0F123C

#0F123C is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.1% C 0.080 H 274.2°. Best body text is #FFFFFF at 17.92:1 contrast (WCAG AA passes).

Color values

HEX	#0F123C
RGB	rgb(15, 18, 60)
HSL	hsl(236, 60%, 15%)
HSV	hsv(236, 75%, 24%)
CMYK	cmyk(75%, 70%, 0%, 76.5%)
CIE-LAB	lab(7.77, 14.88, -27.52)
CIE-LCH	lch(7.77, 31.29, 298.40°)
OKLab	oklab(21.09% 0.0058 -0.0793)
OKLCH	oklch(21.09% 0.08 274.2)
XYZ	xyz(1.2286, 0.8603, 4.3754)
Luminance	0.0086 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F123C #3C390F

analogous

#0F293C #0F123C #230F3C

triadic

#0F123C #3C0F12 #123C0F

tetradic

#0F123C #3C0F29 #3C390F #0F3C23

square

#0F123C #3C0F29 #3C390F #0F3C23

split-complementary

#0F123C #3C230F #293C0F

monochromatic

#060718 #060718 #0F123C #1B216D #272F9E

Accessibility & contrast

On white

17.92

#0F123C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0F123C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F123C

17.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F123C	#FFFFFF	#000000	##FFFFFF
##0F123C	1.00	17.92	1.17	17.92
#FFFFFF	17.92	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193D

Deuteranopia (green-blind)

#00153B

Tritanopia (blue-blind)

#001C24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0f123c;
/* rgb */ color: rgb(15, 18, 60);
/* oklch */ color: oklch(21.1% 0.080 274.2);

Tailwind

colors: {
  custom: {
    50: '#544f72',
    500: '#0f123c',
    950: '#000000',
  },
}

SCSS

$custom: #0f123c;
$custom-light: #544f72;
$custom-dark: #000000;

JSON

{
  "hex": "#0f123c",
  "rgb": {
    "r": 15,
    "g": 18,
    "b": 60
  },
  "hsl": {
    "h": 236,
    "s": 60,
    "l": 14.706
  },
  "oklch": {
    "l": 0.21087,
    "c": 0.0795,
    "h": 274.2
  },
  "luminance": 0.0086
}

Semantic roles & 50–950 ramp

primary

#0F123C

secondary

#767230

accent

#D945E3

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #0F123C

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

Preview Lab → · Contrast checker → · Palette generator →