#0F103A#0F103A

#0F103A is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.4% C 0.079 H 275.8°. Best body text is #FFFFFF at 18.17:1 contrast (WCAG AA passes).

Color values

HEX	#0F103A
RGB	rgb(15, 16, 58)
HSL	hsl(239, 59%, 14%)
HSV	hsv(239, 74%, 23%)
CMYK	cmyk(74.1%, 72.4%, 0%, 77.3%)
CIE-LAB	lab(7.02, 15.41, -27.30)
CIE-LCH	lch(7.02, 31.35, 299.44°)
OKLab	oklab(20.45% 0.008 -0.0789)
OKLCH	oklch(20.45% 0.079 275.8)
XYZ	xyz(1.1458, 0.7775, 4.0919)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Dark Navy

#000435

ΔE00 3.13

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F103A #3A390F

analogous

#0F263A #0F103A #240F3A

triadic

#0F103A #3A0F10 #103A0F

tetradic

#0F103A #3A0F26 #3A390F #0F3A24

square

#0F103A #3A0F26 #3A390F #0F3A24

split-complementary

#0F103A #3A240F #263A0F

monochromatic

#060718 #060718 #0F103A #1C1D6B #282B9B

Accessibility & contrast

On white

18.17

#0F103A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0F103A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F103A

18.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F103A	#FFFFFF	#000000	##FFFFFF
##0F103A	1.00	18.17	1.16	18.17
#FFFFFF	18.17	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00173B

Deuteranopia (green-blind)

#001439

Tritanopia (blue-blind)

#001B23

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0f103a;
/* rgb */ color: rgb(15, 16, 58);
/* oklch */ color: oklch(20.4% 0.079 275.8);

Tailwind

colors: {
  custom: {
    50: '#544e71',
    500: '#0f103a',
    950: '#000000',
  },
}

SCSS

$custom: #0f103a;
$custom-light: #544e71;
$custom-dark: #000000;

JSON

{
  "hex": "#0f103a",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 58
  },
  "hsl": {
    "h": 238.605,
    "s": 58.904,
    "l": 14.314
  },
  "oklch": {
    "l": 0.20446,
    "c": 0.07926,
    "h": 275.8
  },
  "luminance": 0.00778
}

Semantic roles & 50–950 ramp

primary

#0F103A

secondary

#747330

accent

#DE46E2

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030107

muted

#78777A

Preview Lab

Preview with #0F103A

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

Preview Lab → · Contrast checker → · Palette generator →