#0F133B#0F133B

#0F133B is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.2% C 0.076 H 273.6°. Best body text is #FFFFFF at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#0F133B
RGB	rgb(15, 19, 59)
HSL	hsl(235, 59%, 15%)
HSV	hsv(235, 75%, 23%)
CMYK	cmyk(74.6%, 67.8%, 0%, 76.9%)
CIE-LAB	lab(7.98, 13.69, -26.47)
CIE-LCH	lch(7.98, 29.80, 297.35°)
OKLab	oklab(21.21% 0.0048 -0.0762)
OKLCH	oklch(21.21% 0.076 273.6)
XYZ	xyz(1.2190, 0.8830, 4.2430)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F133B #3B370F

analogous

#0F293B #0F133B #210F3B

triadic

#0F133B #3B0F13 #133B0F

tetradic

#0F133B #3B0F29 #3B370F #0F3B21

square

#0F133B #3B0F29 #3B370F #0F3B21

split-complementary

#0F133B #3B210F #293B0F

monochromatic

#060818 #060818 #0F133B #1B236C #28329D

Accessibility & contrast

On white

17.85

#0F133B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0F133B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F133B

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F133B	#FFFFFF	#000000	##FFFFFF
##0F133B	1.00	17.85	1.18	17.85
#FFFFFF	17.85	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193C

Deuteranopia (green-blind)

#00163A

Tritanopia (blue-blind)

#001D24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0f133b;
/* rgb */ color: rgb(15, 19, 59);
/* oklch */ color: oklch(21.2% 0.076 273.6);

Tailwind

colors: {
  custom: {
    50: '#545071',
    500: '#0f133b',
    950: '#000000',
  },
}

SCSS

$custom: #0f133b;
$custom-light: #545071;
$custom-dark: #000000;

JSON

{
  "hex": "#0f133b",
  "rgb": {
    "r": 15,
    "g": 19,
    "b": 59
  },
  "hsl": {
    "h": 234.545,
    "s": 59.459,
    "l": 14.51
  },
  "oklch": {
    "l": 0.2121,
    "c": 0.07633,
    "h": 273.6
  },
  "luminance": 0.00883
}

Semantic roles & 50–950 ramp

primary

#0F133B

secondary

#756F30

accent

#D445E3

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#030208

muted

#78787B

Preview Lab

Preview with #0F133B

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

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