#0F123A#0F123A

#0F123A is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.9% C 0.076 H 274.4°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#0F123A
RGB	rgb(15, 18, 58)
HSL	hsl(236, 59%, 14%)
HSV	hsv(236, 74%, 23%)
CMYK	cmyk(74.1%, 69%, 0%, 77.3%)
CIE-LAB	lab(7.58, 14.02, -26.39)
CIE-LCH	lch(7.58, 29.88, 297.98°)
OKLab	oklab(20.89% 0.0059 -0.076)
OKLCH	oklch(20.89% 0.076 274.4)
XYZ	xyz(1.1768, 0.8396, 4.1022)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 3.76

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F123A #3A370F

analogous

#0F283A #0F123A #220F3A

triadic

#0F123A #3A0F12 #123A0F

tetradic

#0F123A #3A0F28 #3A370F #0F3A22

square

#0F123A #3A0F28 #3A370F #0F3A22

split-complementary

#0F123A #3A220F #283A0F

monochromatic

#060818 #060818 #0F123A #1C216B #28309B

Accessibility & contrast

On white

17.98

#0F123A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0F123A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F123A

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F123A	#FFFFFF	#000000	##FFFFFF
##0F123A	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193B

Deuteranopia (green-blind)

#001539

Tritanopia (blue-blind)

#001C23

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0f123a;
/* rgb */ color: rgb(15, 18, 58);
/* oklch */ color: oklch(20.9% 0.076 274.4);

Tailwind

colors: {
  custom: {
    50: '#544f70',
    500: '#0f123a',
    950: '#000000',
  },
}

SCSS

$custom: #0f123a;
$custom-light: #544f70;
$custom-dark: #000000;

JSON

{
  "hex": "#0f123a",
  "rgb": {
    "r": 15,
    "g": 18,
    "b": 58
  },
  "hsl": {
    "h": 235.814,
    "s": 58.904,
    "l": 14.314
  },
  "oklch": {
    "l": 0.20885,
    "c": 0.07622,
    "h": 274.4
  },
  "luminance": 0.0084
}

Semantic roles & 50–950 ramp

primary

#0F123A

secondary

#747030

accent

#D746E2

background

#F5F4F6

surface

#E8E7EC

border

#C4C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #0F123A

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

Preview Lab → · Contrast checker → · Palette generator →