#0F102C#0F102C

#0F102C is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.1% C 0.055 H 278.2°. Best body text is #FFFFFF at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#0F102C
RGB	rgb(15, 16, 44)
HSL	hsl(238, 49%, 12%)
HSV	hsv(238, 66%, 17%)
CMYK	cmyk(65.9%, 63.6%, 0%, 82.7%)
CIE-LAB	lab(5.91, 8.82, -18.80)
CIE-LCH	lch(5.91, 20.77, 295.13°)
OKLab	oklab(19.08% 0.0079 -0.0548)
OKLCH	oklch(19.08% 0.055 278.2)
XYZ	xyz(0.8368, 0.6539, 2.4645)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F102C #2C2B0F

analogous

#0F1F2C #0F102C #1D0F2C

triadic

#0F102C #2C0F10 #102C0F

tetradic

#0F102C #2C0F1F #2C2B0F #0F2C1D

square

#0F102C #2C0F1F #2C2B0F #0F2C1D

split-complementary

#0F102C #2C1D0F #1F2C0F

monochromatic

#080817 #080817 #0F102C #1F215A #2E3187

Accessibility & contrast

On white

18.57

#0F102C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0F102C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F102C

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F102C	#FFFFFF	#000000	##FFFFFF
##0F102C	1.00	18.57	1.13	18.57
#FFFFFF	18.57	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03142D

Deuteranopia (green-blind)

#02122B

Tritanopia (blue-blind)

#04161B

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0f102c;
/* rgb */ color: rgb(15, 16, 44);
/* oklch */ color: oklch(19.1% 0.055 278.2);

Tailwind

colors: {
  custom: {
    50: '#504e65',
    500: '#0f102c',
    950: '#000000',
  },
}

SCSS

$custom: #0f102c;
$custom-light: #504e65;
$custom-dark: #000000;

JSON

{
  "hex": "#0f102c",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 44
  },
  "hsl": {
    "h": 237.931,
    "s": 49.153,
    "l": 11.569
  },
  "oklch": {
    "l": 0.19083,
    "c": 0.05533,
    "h": 278.2
  },
  "luminance": 0.00654
}

Semantic roles & 50–950 ramp

primary

#0F102C

secondary

#656431

accent

#D44FD9

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020105

muted

#78777A

Preview Lab

Preview with #0F102C

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

Preview Lab → · Contrast checker → · Palette generator →