#0F175D#0F175D

#0F175D is a dark, vivid blue. Relative luminance 0.015; OKLCH L 25.7% C 0.123 H 269.6°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#0F175D
RGB	rgb(15, 23, 93)
HSL	hsl(234, 72%, 21%)
HSV	hsv(234, 84%, 36%)
CMYK	cmyk(83.9%, 75.3%, 0%, 63.5%)
CIE-LAB	lab(12.64, 24.84, -42.38)
CIE-LCH	lch(12.64, 49.12, 300.37°)
OKLab	oklab(25.7% -0.0009 -0.1227)
OKLCH	oklch(25.7% 0.123 269.6)
XYZ	xyz(2.4785, 1.5044, 10.5136)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F175D #5D550F

analogous

#0F3E5D #0F175D #2E0F5D

triadic

#0F175D #5D0F17 #175D0F

tetradic

#0F175D #5D0F3E #5D550F #0F5D2E

square

#0F175D #5D0F3E #5D550F #0F5D2E

split-complementary

#0F175D #5D2E0F #3E5D0F

monochromatic

#04071A #060A28 #0F175D #172492 #2031C6

Accessibility & contrast

On white

16.14

#0F175D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0F175D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F175D

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F175D	#FFFFFF	#000000	##FFFFFF
##0F175D	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#001D5C

Tritanopia (blue-blind)

#002B38

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0f175d;
/* rgb */ color: rgb(15, 23, 93);
/* oklch */ color: oklch(25.7% 0.123 269.6);

Tailwind

colors: {
  custom: {
    50: '#5d548c',
    500: '#0f175d',
    950: '#000000',
  },
}

SCSS

$custom: #0f175d;
$custom-light: #5d548c;
$custom-dark: #000000;

JSON

{
  "hex": "#0f175d",
  "rgb": {
    "r": 15,
    "g": 23,
    "b": 93
  },
  "hsl": {
    "h": 233.846,
    "s": 72.222,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25702,
    "c": 0.12274,
    "h": 269.6
  },
  "luminance": 0.01505
}

Semantic roles & 50–950 ramp

primary

#0F175D

secondary

#968C31

accent

#DC39EF

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #0F175D

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

Preview Lab → · Contrast checker → · Palette generator →