#0F245B#0F245B

#0F245B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.2% C 0.103 H 264.7°. Best body text is #FFFFFF at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#0F245B
RGB	rgb(15, 36, 91)
HSL	hsl(223, 72%, 21%)
HSV	hsv(223, 84%, 36%)
CMYK	cmyk(83.5%, 60.4%, 0%, 64.3%)
CIE-LAB	lab(16.10, 14.51, -35.38)
CIE-LCH	lch(16.10, 38.24, 292.30°)
OKLab	oklab(28.2% -0.0094 -0.1021)
OKLCH	oklch(28.2% 0.103 264.7)
XYZ	xyz(2.7155, 2.1183, 10.1613)
Luminance	0.0212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F245B #5B460F

analogous

#0F4A5B #0F245B #200F5B

triadic

#0F245B #5B0F24 #245B0F

tetradic

#0F245B #5B0F4A #5B460F #0F5B20

square

#0F245B #5B0F4A #5B460F #0F5B20

split-complementary

#0F245B #5B200F #4A5B0F

monochromatic

#040A1A #060F26 #0F245B #183990 #204EC4

Accessibility & contrast

On white

14.75

#0F245B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0F245B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F245B

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F245B	#FFFFFF	#000000	##FFFFFF
##0F245B	1.00	14.75	1.42	14.75
#FFFFFF	14.75	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C5D

Deuteranopia (green-blind)

#00255A

Tritanopia (blue-blind)

#00323B

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0f245b;
/* rgb */ color: rgb(15, 36, 91);
/* oklch */ color: oklch(28.2% 0.103 264.7);

Tailwind

colors: {
  custom: {
    50: '#5b5e8a',
    500: '#0f245b',
    950: '#000000',
  },
}

SCSS

$custom: #0f245b;
$custom-light: #5b5e8a;
$custom-dark: #000000;

JSON

{
  "hex": "#0f245b",
  "rgb": {
    "r": 15,
    "g": 36,
    "b": 91
  },
  "hsl": {
    "h": 223.421,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.28196,
    "c": 0.10254,
    "h": 264.7
  },
  "luminance": 0.02119
}

Semantic roles & 50–950 ramp

primary

#0F245B

secondary

#957931

accent

#BC39EE

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#04040C

muted

#79797D

Preview Lab

Preview with #0F245B

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

Preview Lab → · Contrast checker → · Palette generator →