#0F284F#0F284F

#0F284F is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.1% C 0.078 H 259.1°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#0F284F
RGB	rgb(15, 40, 79)
HSL	hsl(217, 68%, 18%)
HSV	hsv(217, 81%, 31%)
CMYK	cmyk(81%, 49.4%, 0%, 69%)
CIE-LAB	lab(16.42, 6.26, -26.78)
CIE-LCH	lch(16.42, 27.50, 283.15°)
OKLab	oklab(28.14% -0.0148 -0.0767)
OKLCH	oklch(28.14% 0.078 259.1)
XYZ	xyz(2.3666, 2.1834, 7.6923)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F284F #4F360F

analogous

#0F484F #0F284F #160F4F

triadic

#0F284F #4F0F28 #284F0F

tetradic

#0F284F #4F0F48 #4F360F #0F4F16

square

#0F284F #4F0F48 #4F360F #0F4F16

split-complementary

#0F284F #4F160F #484F0F

monochromatic

#050D1A #050E1C #0F284F #194282 #235CB6

Accessibility & contrast

On white

14.62

#0F284F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#0F284F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F284F

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F284F	#FFFFFF	#000000	##FFFFFF
##0F284F	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142C50

Deuteranopia (green-blind)

#07264E

Tritanopia (blue-blind)

#003137

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #0f284f;
/* rgb */ color: rgb(15, 40, 79);
/* oklch */ color: oklch(28.1% 0.078 259.1);

Tailwind

colors: {
  custom: {
    50: '#586180',
    500: '#0f284f',
    950: '#000000',
  },
}

SCSS

$custom: #0f284f;
$custom-light: #586180;
$custom-dark: #000000;

JSON

{
  "hex": "#0f284f",
  "rgb": {
    "r": 15,
    "g": 40,
    "b": 79
  },
  "hsl": {
    "h": 216.563,
    "s": 68.085,
    "l": 18.431
  },
  "oklch": {
    "l": 0.2814,
    "c": 0.07813,
    "h": 259.1
  },
  "luminance": 0.02184
}

Semantic roles & 50–950 ramp

primary

#0F284F

secondary

#896731

accent

#A73DEB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #0F284F

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

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