#0F235C#0F235C

#0F235C is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.1% C 0.105 H 265.3°. Best body text is #FFFFFF at 14.84:1 contrast (WCAG AA passes).

Color values

HEX	#0F235C
RGB	rgb(15, 35, 92)
HSL	hsl(224, 72%, 21%)
HSV	hsv(224, 84%, 36%)
CMYK	cmyk(83.7%, 62%, 0%, 63.9%)
CIE-LAB	lab(15.88, 15.69, -36.40)
CIE-LCH	lch(15.88, 39.63, 293.32°)
OKLab	oklab(28.06% -0.0086 -0.1051)
OKLCH	oklch(28.06% 0.105 265.3)
XYZ	xyz(2.7291, 2.0760, 10.3800)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F235C #5C480F

analogous

#0F495C #0F235C #210F5C

triadic

#0F235C #5C0F23 #235C0F

tetradic

#0F235C #5C0F49 #5C480F #0F5C21

square

#0F235C #5C0F49 #5C480F #0F5C21

split-complementary

#0F235C #5C210F #495C0F

monochromatic

#040A1A #060F27 #0F235C #183791 #204BC5

Accessibility & contrast

On white

14.84

#0F235C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0F235C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F235C

14.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F235C	#FFFFFF	#000000	##FFFFFF
##0F235C	1.00	14.84	1.42	14.84
#FFFFFF	14.84	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5E

Deuteranopia (green-blind)

#00245B

Tritanopia (blue-blind)

#00313B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0f235c;
/* rgb */ color: rgb(15, 35, 92);
/* oklch */ color: oklch(28.1% 0.105 265.3);

Tailwind

colors: {
  custom: {
    50: '#5c5d8b',
    500: '#0f235c',
    950: '#000000',
  },
}

SCSS

$custom: #0f235c;
$custom-light: #5c5d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#0f235c",
  "rgb": {
    "r": 15,
    "g": 35,
    "b": 92
  },
  "hsl": {
    "h": 224.416,
    "s": 71.963,
    "l": 20.98
  },
  "oklch": {
    "l": 0.28062,
    "c": 0.10545,
    "h": 265.3
  },
  "luminance": 0.02076
}

Semantic roles & 50–950 ramp

primary

#0F235C

secondary

#957B31

accent

#C039EF

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #0F235C

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

Preview Lab → · Contrast checker → · Palette generator →