#0F284D#0F284D

#0F284D is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.0% C 0.075 H 258.3°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#0F284D
RGB	rgb(15, 40, 77)
HSL	hsl(216, 67%, 18%)
HSV	hsv(216, 81%, 30%)
CMYK	cmyk(80.5%, 48.1%, 0%, 69.8%)
CIE-LAB	lab(16.28, 5.38, -25.65)
CIE-LCH	lch(16.28, 26.21, 281.85°)
OKLab	oklab(27.98% -0.0152 -0.0734)
OKLCH	oklch(27.98% 0.075 258.3)
XYZ	xyz(2.2949, 2.1547, 7.3147)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F284D #4D340F

analogous

#0F474D #0F284D #150F4D

triadic

#0F284D #4D0F28 #284D0F

tetradic

#0F284D #4D0F47 #4D340F #0F4D15

square

#0F284D #4D0F47 #4D340F #0F4D15

split-complementary

#0F284D #4D150F #474D0F

monochromatic

#050D1A #050D1A #0F284D #194380 #235DB3

Accessibility & contrast

On white

14.68

#0F284D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#0F284D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F284D

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F284D	#FFFFFF	#000000	##FFFFFF
##0F284D	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#162B4E

Deuteranopia (green-blind)

#0A264C

Tritanopia (blue-blind)

#003136

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0f284d;
/* rgb */ color: rgb(15, 40, 77);
/* oklch */ color: oklch(28.0% 0.075 258.3);

Tailwind

colors: {
  custom: {
    50: '#57617f',
    500: '#0f284d',
    950: '#000000',
  },
}

SCSS

$custom: #0f284d;
$custom-light: #57617f;
$custom-dark: #000000;

JSON

{
  "hex": "#0f284d",
  "rgb": {
    "r": 15,
    "g": 40,
    "b": 77
  },
  "hsl": {
    "h": 215.806,
    "s": 67.391,
    "l": 18.039
  },
  "oklch": {
    "l": 0.27984,
    "c": 0.07495,
    "h": 258.3
  },
  "luminance": 0.02155
}

Semantic roles & 50–950 ramp

primary

#0F284D

secondary

#876431

accent

#A53EEA

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #0F284D

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

Preview Lab → · Contrast checker → · Palette generator →