#0F1637#0F1637

#0F1637 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.5% C 0.065 H 271.0°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#0F1637
RGB	rgb(15, 22, 55)
HSL	hsl(230, 57%, 14%)
HSV	hsv(230, 73%, 22%)
CMYK	cmyk(72.7%, 60%, 0%, 78.4%)
CIE-LAB	lab(8.58, 9.62, -22.61)
CIE-LCH	lch(8.58, 24.57, 293.05°)
OKLab	oklab(21.55% 0.0012 -0.0648)
OKLCH	oklch(21.55% 0.065 271)
XYZ	xyz(1.1733, 0.9511, 3.7354)
Luminance	0.0095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F1637 #37300F

analogous

#0F2A37 #0F1637 #1C0F37

triadic

#0F1637 #370F16 #16370F

tetradic

#0F1637 #370F2A #37300F #0F371C

square

#0F1637 #370F2A #37300F #0F371C

split-complementary

#0F1637 #371C0F #2A370F

monochromatic

#070A18 #070A18 #0F1637 #1C2967 #293C97

Accessibility & contrast

On white

17.64

#0F1637 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0F1637 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F1637

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F1637	#FFFFFF	#000000	##FFFFFF
##0F1637	1.00	17.64	1.19	17.64
#FFFFFF	17.64	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041B38

Deuteranopia (green-blind)

#001736

Tritanopia (blue-blind)

#001E23

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0f1637;
/* rgb */ color: rgb(15, 22, 55);
/* oklch */ color: oklch(21.5% 0.065 271.0);

Tailwind

colors: {
  custom: {
    50: '#52526e',
    500: '#0f1637',
    950: '#000000',
  },
}

SCSS

$custom: #0f1637;
$custom-light: #52526e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f1637",
  "rgb": {
    "r": 15,
    "g": 22,
    "b": 55
  },
  "hsl": {
    "h": 229.5,
    "s": 57.143,
    "l": 13.725
  },
  "oklch": {
    "l": 0.21549,
    "c": 0.06481,
    "h": 271
  },
  "luminance": 0.00951
}

Semantic roles & 50–950 ramp

primary

#0F1637

secondary

#716631

accent

#C647E0

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #0F1637

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

Preview Lab → · Contrast checker → · Palette generator →