#0F103B#0F103B

#0F103B is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.6% C 0.081 H 275.6°. Best body text is #FFFFFF at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#0F103B
RGB	rgb(15, 16, 59)
HSL	hsl(239, 59%, 15%)
HSV	hsv(239, 75%, 23%)
CMYK	cmyk(74.6%, 72.9%, 0%, 76.9%)
CIE-LAB	lab(7.12, 15.86, -27.87)
CIE-LCH	lch(7.12, 32.06, 299.64°)
OKLab	oklab(20.55% 0.0079 -0.0805)
OKLCH	oklch(20.55% 0.081 275.6)
XYZ	xyz(1.1715, 0.7878, 4.2272)
Luminance	0.0079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Dark Navy

#000435

ΔE00 3.11

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F103B #3B3A0F

analogous

#0F263B #0F103B #240F3B

triadic

#0F103B #3B0F10 #103B0F

tetradic

#0F103B #3B0F26 #3B3A0F #0F3B24

square

#0F103B #3B0F26 #3B3A0F #0F3B24

split-complementary

#0F103B #3B240F #263B0F

monochromatic

#060718 #060718 #0F103B #1B1D6C #282A9D

Accessibility & contrast

On white

18.14

#0F103B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0F103B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F103B

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F103B	#FFFFFF	#000000	##FFFFFF
##0F103B	1.00	18.14	1.16	18.14
#FFFFFF	18.14	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183C

Deuteranopia (green-blind)

#00143A

Tritanopia (blue-blind)

#001B23

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0f103b;
/* rgb */ color: rgb(15, 16, 59);
/* oklch */ color: oklch(20.6% 0.081 275.6);

Tailwind

colors: {
  custom: {
    50: '#544e71',
    500: '#0f103b',
    950: '#000000',
  },
}

SCSS

$custom: #0f103b;
$custom-light: #544e71;
$custom-dark: #000000;

JSON

{
  "hex": "#0f103b",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 59
  },
  "hsl": {
    "h": 238.636,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.20551,
    "c": 0.08088,
    "h": 275.6
  },
  "luminance": 0.00788
}

Semantic roles & 50–950 ramp

primary

#0F103B

secondary

#757430

accent

#DF45E3

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030108

muted

#78777B

Preview Lab

Preview with #0F103B

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

Preview Lab → · Contrast checker → · Palette generator →