#0F154F#0F154F

#0F154F is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.7% C 0.105 H 271.0°. Best body text is #FFFFFF at 16.93:1 contrast (WCAG AA passes).

Color values

HEX	#0F154F
RGB	rgb(15, 21, 79)
HSL	hsl(234, 68%, 18%)
HSV	hsv(234, 81%, 31%)
CMYK	cmyk(81%, 73.4%, 0%, 69%)
CIE-LAB	lab(10.57, 20.58, -36.27)
CIE-LCH	lch(10.57, 41.71, 299.57°)
OKLab	oklab(23.74% 0.0019 -0.1049)
OKLCH	oklch(23.74% 0.105 271)
XYZ	xyz(1.8760, 1.2022, 7.5288)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.39

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F154F #4F490F

analogous

#0F354F #0F154F #290F4F

triadic

#0F154F #4F0F15 #154F0F

tetradic

#0F154F #4F0F35 #4F490F #0F4F29

square

#0F154F #4F0F35 #4F490F #0F4F29

split-complementary

#0F154F #4F290F #354F0F

monochromatic

#05071A #05071C #0F154F #192382 #2330B6

Accessibility & contrast

On white

16.93

#0F154F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#0F154F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F154F

16.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F154F	#FFFFFF	#000000	##FFFFFF
##0F154F	1.00	16.93	1.24	16.93
#FFFFFF	16.93	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002051

Deuteranopia (green-blind)

#001A4E

Tritanopia (blue-blind)

#00252F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0f154f;
/* rgb */ color: rgb(15, 21, 79);
/* oklch */ color: oklch(23.7% 0.105 271.0);

Tailwind

colors: {
  custom: {
    50: '#595281',
    500: '#0f154f',
    950: '#000000',
  },
}

SCSS

$custom: #0f154f;
$custom-light: #595281;
$custom-dark: #000000;

JSON

{
  "hex": "#0f154f",
  "rgb": {
    "r": 15,
    "g": 21,
    "b": 79
  },
  "hsl": {
    "h": 234.375,
    "s": 68.085,
    "l": 18.431
  },
  "oklch": {
    "l": 0.23743,
    "c": 0.10493,
    "h": 271
  },
  "luminance": 0.01202
}

Semantic roles & 50–950 ramp

primary

#0F154F

secondary

#898131

accent

#DB3DEB

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#04020A

muted

#79787C

Preview Lab

Preview with #0F154F

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

Preview Lab → · Contrast checker → · Palette generator →