#0F1040#0F1040

#0F1040 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 21.1% C 0.089 H 274.8°. Best body text is #FFFFFF at 17.97:1 contrast (WCAG AA passes).

Color values

HEX	#0F1040
RGB	rgb(15, 16, 64)
HSL	hsl(239, 62%, 15%)
HSV	hsv(239, 77%, 25%)
CMYK	cmyk(76.6%, 75%, 0%, 74.9%)
CIE-LAB	lab(7.61, 18.04, -30.64)
CIE-LCH	lch(7.61, 35.56, 300.49°)
OKLab	oklab(21.09% 0.0074 -0.0885)
OKLCH	oklch(21.09% 0.089 274.8)
XYZ	xyz(1.3074, 0.8422, 4.9432)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.59

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1040 #403F0F

analogous

#0F2840 #0F1040 #260F40

triadic

#0F1040 #400F10 #10400F

tetradic

#0F1040 #400F28 #403F0F #0F4026

square

#0F1040 #400F28 #403F0F #0F4026

split-complementary

#0F1040 #40260F #28400F

monochromatic

#060619 #060619 #0F1040 #1B1C72 #2629A3

Accessibility & contrast

On white

17.97

#0F1040 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0F1040 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1040

17.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1040	#FFFFFF	#000000	##FFFFFF
##0F1040	1.00	17.97	1.17	17.97
#FFFFFF	17.97	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001942

Deuteranopia (green-blind)

#00153F

Tritanopia (blue-blind)

#001D26

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0f1040;
/* rgb */ color: rgb(15, 16, 64);
/* oklch */ color: oklch(21.1% 0.089 274.8);

Tailwind

colors: {
  custom: {
    50: '#554e75',
    500: '#0f1040',
    950: '#000000',
  },
}

SCSS

$custom: #0f1040;
$custom-light: #554e75;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1040",
  "rgb": {
    "r": 15,
    "g": 16,
    "b": 64
  },
  "hsl": {
    "h": 238.776,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.2109,
    "c": 0.08881,
    "h": 274.8
  },
  "luminance": 0.00842
}

Semantic roles & 50–950 ramp

primary

#0F1040

secondary

#7A7930

accent

#E243E5

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0F1040

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

Preview Lab → · Contrast checker → · Palette generator →