#0F103F#0F103F

#0F103F is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.0% C 0.087 H 275.0°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#0F103F
RGB	rgb(15, 16, 63)
HSL	hsl(239, 62%, 15%)
HSV	hsv(239, 76%, 25%)
CMYK	cmyk(76.2%, 74.6%, 0%, 75.3%)
CIE-LAB	lab(7.51, 17.62, -30.10)
CIE-LCH	lch(7.51, 34.88, 300.34°)
OKLab	oklab(20.98% 0.0075 -0.0869)
OKLCH	oklch(20.98% 0.087 275)
XYZ	xyz(1.2792, 0.8309, 4.7946)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.73

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F103F #3F3E0F

analogous

#0F283F #0F103F #260F3F

triadic

#0F103F #3F0F10 #103F0F

tetradic

#0F103F #3F0F28 #3F3E0F #0F3F26

square

#0F103F #3F0F28 #3F3E0F #0F3F26

split-complementary

#0F103F #3F260F #283F0F

monochromatic

#060619 #060619 #0F103F #1B1D70 #2729A2

Accessibility & contrast

On white

18.01

#0F103F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0F103F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F103F

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F103F	#FFFFFF	#000000	##FFFFFF
##0F103F	1.00	18.01	1.17	18.01
#FFFFFF	18.01	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001940

Deuteranopia (green-blind)

#00143E

Tritanopia (blue-blind)

#001C25

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0f103f;
/* rgb */ color: rgb(15, 16, 63);
/* oklch */ color: oklch(21.0% 0.087 275.0);

Tailwind

colors: {
  custom: {
    50: '#554e75',
    500: '#0f103f',
    950: '#000000',
  },
}

SCSS

$custom: #0f103f;
$custom-light: #554e75;
$custom-dark: #000000;

JSON

{
  "hex": "#0f103f",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 63
  },
  "hsl": {
    "h": 238.75,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.20981,
    "c": 0.08725,
    "h": 275
  },
  "luminance": 0.00831
}

Semantic roles & 50–950 ramp

primary

#0F103F

secondary

#797830

accent

#E143E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0F103F

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

Preview Lab → · Contrast checker → · Palette generator →