#0F284E#0F284E

#0F284E is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.1% C 0.077 H 258.7°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#0F284E
RGB	rgb(15, 40, 78)
HSL	hsl(216, 68%, 18%)
HSV	hsv(216, 81%, 31%)
CMYK	cmyk(80.8%, 48.7%, 0%, 69.4%)
CIE-LAB	lab(16.35, 5.82, -26.22)
CIE-LCH	lch(16.35, 26.85, 282.51°)
OKLab	oklab(28.06% -0.015 -0.0751)
OKLCH	oklch(28.06% 0.077 258.7)
XYZ	xyz(2.3304, 2.1689, 7.5021)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F284E #4E350F

analogous

#0F474E #0F284E #150F4E

triadic

#0F284E #4E0F28 #284E0F

tetradic

#0F284E #4E0F47 #4E350F #0F4E15

square

#0F284E #4E0F47 #4E350F #0F4E15

split-complementary

#0F284E #4E150F #474E0F

monochromatic

#050D1A #050E1B #0F284E #194281 #235DB5

Accessibility & contrast

On white

14.65

#0F284E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0F284E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F284E

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F284E	#FFFFFF	#000000	##FFFFFF
##0F284E	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152C4F

Deuteranopia (green-blind)

#09264D

Tritanopia (blue-blind)

#003137

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0f284e;
/* rgb */ color: rgb(15, 40, 78);
/* oklch */ color: oklch(28.1% 0.077 258.7);

Tailwind

colors: {
  custom: {
    50: '#576180',
    500: '#0f284e',
    950: '#000000',
  },
}

SCSS

$custom: #0f284e;
$custom-light: #576180;
$custom-dark: #000000;

JSON

{
  "hex": "#0f284e",
  "rgb": {
    "r": 15,
    "g": 40,
    "b": 78
  },
  "hsl": {
    "h": 216.19,
    "s": 67.742,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28062,
    "c": 0.07654,
    "h": 258.7
  },
  "luminance": 0.02169
}

Semantic roles & 50–950 ramp

primary

#0F284E

secondary

#886531

accent

#A63DEB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #0F284E

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

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