#0F306A#0F306A

#0F306A is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.3% C 0.109 H 260.8°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#0F306A
RGB	rgb(15, 48, 106)
HSL	hsl(218, 75%, 24%)
HSV	hsv(218, 86%, 42%)
CMYK	cmyk(85.8%, 54.7%, 0%, 58.4%)
CIE-LAB	lab(21.04, 12.13, -37.22)
CIE-LCH	lch(21.04, 39.15, 288.05°)
OKLab	oklab(32.34% -0.0174 -0.1073)
OKLCH	oklch(32.34% 0.109 260.8)
XYZ	xyz(3.8545, 3.2556, 14.0581)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0F306A #6A490F

analogous

#0F5D6A #0F306A #1B0F6A

triadic

#0F306A #6A0F30 #306A0F

tetradic

#0F306A #6A0F5D #6A490F #0F6A1B

square

#0F306A #6A0F5D #6A490F #0F6A1B

split-complementary

#0F306A #6A1B0F #5D6A0F

monochromatic

#040C1B #071834 #0F306A #1748A0 #1E61D5

Accessibility & contrast

On white

12.72

#0F306A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#0F306A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0F306A

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0F306A	#FFFFFF	#000000	##FFFFFF
##0F306A	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08376C

Deuteranopia (green-blind)

#002F69

Tritanopia (blue-blind)

#003E48

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0f306a;
/* rgb */ color: rgb(15, 48, 106);
/* oklch */ color: oklch(32.3% 0.109 260.8);

Tailwind

colors: {
  custom: {
    50: '#5f6795',
    500: '#0f306a',
    950: '#000000',
  },
}

SCSS

$custom: #0f306a;
$custom-light: #5f6795;
$custom-dark: #000000;

JSON

{
  "hex": "#0f306a",
  "rgb": {
    "r": 15,
    "g": 48,
    "b": 106
  },
  "hsl": {
    "h": 218.242,
    "s": 75.207,
    "l": 23.725
  },
  "oklch": {
    "l": 0.32336,
    "c": 0.10867,
    "h": 260.8
  },
  "luminance": 0.03256
}

Semantic roles & 50–950 ramp

primary

#0F306A

secondary

#A27A32

accent

#AE36F2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #0F306A

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

Preview Lab → · Contrast checker → · Palette generator →