#0F122F#0F122F

#0F122F is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.8% C 0.057 H 275.4°. Best body text is #FFFFFF at 18.30:1 contrast (WCAG AA passes).

Color values

HEX	#0F122F
RGB	rgb(15, 18, 47)
HSL	hsl(234, 52%, 12%)
HSV	hsv(234, 68%, 18%)
CMYK	cmyk(68.1%, 61.7%, 0%, 81.6%)
CIE-LAB	lab(6.68, 9.05, -19.81)
CIE-LCH	lch(6.68, 21.78, 294.54°)
OKLab	oklab(19.84% 0.0054 -0.057)
OKLCH	oklch(19.84% 0.057 275.4)
XYZ	xyz(0.9262, 0.7393, 2.7827)
Luminance	0.0074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.17

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F122F #2F2C0F

analogous

#0F222F #0F122F #1C0F2F

triadic

#0F122F #2F0F12 #122F0F

tetradic

#0F122F #2F0F22 #2F2C0F #0F2F1C

square

#0F122F #2F0F22 #2F2C0F #0F2F1C

split-complementary

#0F122F #2F1C0F #222F0F

monochromatic

#070917 #070917 #0F122F #1E245D #2D368C

Accessibility & contrast

On white

18.30

#0F122F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0F122F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F122F

18.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F122F	#FFFFFF	#000000	##FFFFFF
##0F122F	1.00	18.30	1.15	18.30
#FFFFFF	18.30	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041630

Deuteranopia (green-blind)

#02142E

Tritanopia (blue-blind)

#01191E

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0f122f;
/* rgb */ color: rgb(15, 18, 47);
/* oklch */ color: oklch(19.8% 0.057 275.4);

Tailwind

colors: {
  custom: {
    50: '#504f68',
    500: '#0f122f',
    950: '#000000',
  },
}

SCSS

$custom: #0f122f;
$custom-light: #504f68;
$custom-dark: #000000;

JSON

{
  "hex": "#0f122f",
  "rgb": {
    "r": 15,
    "g": 18,
    "b": 47
  },
  "hsl": {
    "h": 234.375,
    "s": 51.613,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19844,
    "c": 0.05728,
    "h": 275.4
  },
  "luminance": 0.00739
}

Semantic roles & 50–950 ramp

primary

#0F122F

secondary

#696331

accent

#CE4DDB

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0F122F

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

Preview Lab → · Contrast checker → · Palette generator →