#0F124B#0F124B

#0F124B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.7% C 0.103 H 272.5°. Best body text is #FFFFFF at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#0F124B
RGB	rgb(15, 18, 75)
HSL	hsl(237, 67%, 18%)
HSV	hsv(237, 80%, 29%)
CMYK	cmyk(80%, 76%, 0%, 70.6%)
CIE-LAB	lab(9.34, 21.11, -35.54)
CIE-LCH	lch(9.34, 41.34, 300.71°)
OKLab	oklab(22.71% 0.0045 -0.1028)
OKLCH	oklch(22.71% 0.103 272.5)
XYZ	xyz(1.6829, 1.0420, 6.7677)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F124B #4B480F

analogous

#0F304B #0F124B #2A0F4B

triadic

#0F124B #4B0F12 #124B0F

tetradic

#0F124B #4B0F30 #4B480F #0F4B2A

square

#0F124B #4B0F30 #4B480F #0F4B2A

split-complementary

#0F124B #4B2A0F #304B0F

monochromatic

#05061A #05061A #0F124B #191E7E #232AB1

Accessibility & contrast

On white

17.38

#0F124B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0F124B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F124B

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F124B	#FFFFFF	#000000	##FFFFFF
##0F124B	1.00	17.38	1.21	17.38
#FFFFFF	17.38	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4D

Deuteranopia (green-blind)

#00174A

Tritanopia (blue-blind)

#00222C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0f124b;
/* rgb */ color: rgb(15, 18, 75);
/* oklch */ color: oklch(22.7% 0.103 272.5);

Tailwind

colors: {
  custom: {
    50: '#58507e',
    500: '#0f124b',
    950: '#000000',
  },
}

SCSS

$custom: #0f124b;
$custom-light: #58507e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f124b",
  "rgb": {
    "r": 15,
    "g": 18,
    "b": 75
  },
  "hsl": {
    "h": 237,
    "s": 66.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.22713,
    "c": 0.10288,
    "h": 272.5
  },
  "luminance": 0.01042
}

Semantic roles & 50–950 ramp

primary

#0F124B

secondary

#858130

accent

#E13EEA

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F124B

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

Preview Lab → · Contrast checker → · Palette generator →