#0F123D#0F123D

#0F123D is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.081 H 274.1°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#0F123D
RGB	rgb(15, 18, 61)
HSL	hsl(236, 61%, 15%)
HSV	hsv(236, 75%, 24%)
CMYK	cmyk(75.4%, 70.5%, 0%, 76.1%)
CIE-LAB	lab(7.87, 15.31, -28.08)
CIE-LCH	lch(7.87, 31.98, 298.60°)
OKLab	oklab(21.19% 0.0058 -0.0809)
OKLCH	oklch(21.19% 0.081 274.1)
XYZ	xyz(1.2553, 0.8710, 4.5159)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F123D #3D3A0F

analogous

#0F293D #0F123D #230F3D

triadic

#0F123D #3D0F12 #123D0F

tetradic

#0F123D #3D0F29 #3D3A0F #0F3D23

square

#0F123D #3D0F29 #3D3A0F #0F3D23

split-complementary

#0F123D #3D230F #293D0F

monochromatic

#060719 #060719 #0F123D #1B206E #272F9F

Accessibility & contrast

On white

17.88

#0F123D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0F123D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F123D

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F123D	#FFFFFF	#000000	##FFFFFF
##0F123D	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193E

Deuteranopia (green-blind)

#00153C

Tritanopia (blue-blind)

#001D25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0f123d;
/* rgb */ color: rgb(15, 18, 61);
/* oklch */ color: oklch(21.2% 0.081 274.1);

Tailwind

colors: {
  custom: {
    50: '#544f73',
    500: '#0f123d',
    950: '#000000',
  },
}

SCSS

$custom: #0f123d;
$custom-light: #544f73;
$custom-dark: #000000;

JSON

{
  "hex": "#0f123d",
  "rgb": {
    "r": 15,
    "g": 18,
    "b": 61
  },
  "hsl": {
    "h": 236.087,
    "s": 60.526,
    "l": 14.902
  },
  "oklch": {
    "l": 0.2119,
    "c": 0.08114,
    "h": 274.1
  },
  "luminance": 0.00871
}

Semantic roles & 50–950 ramp

primary

#0F123D

secondary

#777330

accent

#D944E4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #0F123D

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

Preview Lab → · Contrast checker → · Palette generator →