#0F284C#0F284C

#0F284C is a dark, moderate blue. Relative luminance 0.021; OKLCH L 27.9% C 0.073 H 257.8°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#0F284C
RGB	rgb(15, 40, 76)
HSL	hsl(215, 67%, 18%)
HSV	hsv(215, 80%, 30%)
CMYK	cmyk(80.3%, 47.4%, 0%, 70.2%)
CIE-LAB	lab(16.21, 4.94, -25.08)
CIE-LCH	lch(16.21, 25.56, 281.15°)
OKLab	oklab(27.91% -0.0154 -0.0717)
OKLCH	oklch(27.91% 0.073 257.8)
XYZ	xyz(2.2598, 2.1407, 7.1302)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F284C #4C330F

analogous

#0F464C #0F284C #140F4C

triadic

#0F284C #4C0F28 #284C0F

tetradic

#0F284C #4C0F46 #4C330F #0F4C14

square

#0F284C #4C0F46 #4C330F #0F4C14

split-complementary

#0F284C #4C140F #464C0F

monochromatic

#050D1A #050D1A #0F284C #19437F #235EB2

Accessibility & contrast

On white

14.70

#0F284C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0F284C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F284C

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F284C	#FFFFFF	#000000	##FFFFFF
##0F284C	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162B4D

Deuteranopia (green-blind)

#0C264B

Tritanopia (blue-blind)

#003036

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0f284c;
/* rgb */ color: rgb(15, 40, 76);
/* oklch */ color: oklch(27.9% 0.073 257.8);

Tailwind

colors: {
  custom: {
    50: '#57617e',
    500: '#0f284c',
    950: '#000000',
  },
}

SCSS

$custom: #0f284c;
$custom-light: #57617e;
$custom-dark: #000000;

JSON

{
  "hex": "#0f284c",
  "rgb": {
    "r": 15,
    "g": 40,
    "b": 76
  },
  "hsl": {
    "h": 215.41,
    "s": 67.033,
    "l": 17.843
  },
  "oklch": {
    "l": 0.27907,
    "c": 0.07337,
    "h": 257.8
  },
  "luminance": 0.02141
}

Semantic roles & 50–950 ramp

primary

#0F284C

secondary

#866331

accent

#A33EEA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03050A

muted

#78797C

Preview Lab

Preview with #0F284C

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

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