#0F103E#0F103E

#0F103E is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.086 H 275.1°. Best body text is #FFFFFF at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#0F103E
RGB	rgb(15, 16, 62)
HSL	hsl(239, 61%, 15%)
HSV	hsv(239, 76%, 24%)
CMYK	cmyk(75.8%, 74.2%, 0%, 75.7%)
CIE-LAB	lab(7.41, 17.18, -29.55)
CIE-LCH	lch(7.41, 34.18, 300.18°)
OKLab	oklab(20.87% 0.0076 -0.0853)
OKLCH	oklch(20.87% 0.086 275.1)
XYZ	xyz(1.2515, 0.8198, 4.6488)
Luminance	0.0082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.89

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F103E #3E3D0F

analogous

#0F283E #0F103E #250F3E

triadic

#0F103E #3E0F10 #103E0F

tetradic

#0F103E #3E0F28 #3E3D0F #0F3E25

square

#0F103E #3E0F28 #3E3D0F #0F3E25

split-complementary

#0F103E #3E250F #283E0F

monochromatic

#060619 #060619 #0F103E #1B1D6F #2729A1

Accessibility & contrast

On white

18.04

#0F103E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0F103E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F103E

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F103E	#FFFFFF	#000000	##FFFFFF
##0F103E	1.00	18.04	1.16	18.04
#FFFFFF	18.04	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183F

Deuteranopia (green-blind)

#00143D

Tritanopia (blue-blind)

#001C25

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0f103e;
/* rgb */ color: rgb(15, 16, 62);
/* oklch */ color: oklch(20.9% 0.086 275.1);

Tailwind

colors: {
  custom: {
    50: '#554e74',
    500: '#0f103e',
    950: '#000000',
  },
}

SCSS

$custom: #0f103e;
$custom-light: #554e74;
$custom-dark: #000000;

JSON

{
  "hex": "#0f103e",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 62
  },
  "hsl": {
    "h": 238.723,
    "s": 61.039,
    "l": 15.098
  },
  "oklch": {
    "l": 0.20872,
    "c": 0.08567,
    "h": 275.1
  },
  "luminance": 0.0082
}

Semantic roles & 50–950 ramp

primary

#0F103E

secondary

#787730

accent

#E144E4

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0F103E

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

Preview Lab → · Contrast checker → · Palette generator →