#12306A#12306A

#12306A is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.4% C 0.108 H 261.8°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#12306A
RGB	rgb(18, 48, 106)
HSL	hsl(220, 71%, 24%)
HSV	hsv(220, 83%, 42%)
CMYK	cmyk(83%, 54.7%, 0%, 58.4%)
CIE-LAB	lab(21.14, 12.46, -37.05)
CIE-LCH	lch(21.14, 39.09, 288.59°)
OKLab	oklab(32.44% -0.0153 -0.1067)
OKLCH	oklch(32.44% 0.108 261.8)
XYZ	xyz(3.9070, 3.2827, 14.0606)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12306A #6A4C12

analogous

#125C6A #12306A #20126A

triadic

#12306A #6A1230 #306A12

tetradic

#12306A #6A125C #6A4C12 #126A20

square

#12306A #6A125C #6A4C12 #126A20

split-complementary

#12306A #6A2012 #5C6A12

monochromatic

#040C1A #091836 #12306A #1B489E #245FD3

Accessibility & contrast

On white

12.68

#12306A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#12306A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12306A

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12306A	#FFFFFF	#000000	##FFFFFF
##12306A	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	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: #12306a;
/* rgb */ color: rgb(18, 48, 106);
/* oklch */ color: oklch(32.4% 0.108 261.8);

Tailwind

colors: {
  custom: {
    50: '#606795',
    500: '#12306a',
    950: '#000000',
  },
}

SCSS

$custom: #12306a;
$custom-light: #606795;
$custom-dark: #000000;

JSON

{
  "hex": "#12306a",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 106
  },
  "hsl": {
    "h": 219.545,
    "s": 70.968,
    "l": 24.314
  },
  "oklch": {
    "l": 0.32443,
    "c": 0.10781,
    "h": 261.8
  },
  "luminance": 0.03283
}

Semantic roles & 50–950 ramp

primary

#12306A

secondary

#A27D36

accent

#B03AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #12306A

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

Preview Lab → · Contrast checker → · Palette generator →