#0F102D#0F102D

#0F102D is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.2% C 0.057 H 278.1°. Best body text is #FFFFFF at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#0F102D
RGB	rgb(15, 16, 45)
HSL	hsl(238, 50%, 12%)
HSV	hsv(238, 67%, 18%)
CMYK	cmyk(66.7%, 64.4%, 0%, 82.4%)
CIE-LAB	lab(5.98, 9.30, -19.44)
CIE-LCH	lch(5.98, 21.55, 295.56°)
OKLab	oklab(19.17% 0.008 -0.0566)
OKLCH	oklch(19.17% 0.057 278.1)
XYZ	xyz(0.8558, 0.6615, 2.5647)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F102D #2D2C0F

analogous

#0F1F2D #0F102D #1D0F2D

triadic

#0F102D #2D0F10 #102D0F

tetradic

#0F102D #2D0F1F #2D2C0F #0F2D1D

square

#0F102D #2D0F1F #2D2C0F #0F2D1D

split-complementary

#0F102D #2D1D0F #1F2D0F

monochromatic

#080817 #080817 #0F102D #1E205B #2E3189

Accessibility & contrast

On white

18.54

#0F102D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#0F102D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F102D

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F102D	#FFFFFF	#000000	##FFFFFF
##0F102D	1.00	18.54	1.13	18.54
#FFFFFF	18.54	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03142E

Deuteranopia (green-blind)

#01122C

Tritanopia (blue-blind)

#03171C

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #0f102d;
/* rgb */ color: rgb(15, 16, 45);
/* oklch */ color: oklch(19.2% 0.057 278.1);

Tailwind

colors: {
  custom: {
    50: '#504e66',
    500: '#0f102d',
    950: '#000000',
  },
}

SCSS

$custom: #0f102d;
$custom-light: #504e66;
$custom-dark: #000000;

JSON

{
  "hex": "#0f102d",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 45
  },
  "hsl": {
    "h": 238,
    "s": 50,
    "l": 11.765
  },
  "oklch": {
    "l": 0.19173,
    "c": 0.05712,
    "h": 278.1
  },
  "luminance": 0.00662
}

Semantic roles & 50–950 ramp

primary

#0F102D

secondary

#666531

accent

#D54EDA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020106

muted

#78777A

Preview Lab

Preview with #0F102D

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

Preview Lab → · Contrast checker → · Palette generator →