#12306D#12306D

#12306D is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.7% C 0.112 H 262.4°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#12306D
RGB	rgb(18, 48, 109)
HSL	hsl(220, 72%, 25%)
HSV	hsv(220, 83%, 43%)
CMYK	cmyk(83.5%, 56%, 0%, 57.3%)
CIE-LAB	lab(21.38, 13.74, -38.61)
CIE-LCH	lch(21.38, 40.98, 289.59°)
OKLab	oklab(32.7% -0.0149 -0.1113)
OKLCH	oklch(32.7% 0.112 262.4)
XYZ	xyz(4.0657, 3.3462, 14.8966)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12306D #6D4F12

analogous

#125E6D #12306D #22126D

triadic

#12306D #6D1230 #306D12

tetradic

#12306D #6D125E #6D4F12 #126D22

square

#12306D #6D125E #6D4F12 #126D22

split-complementary

#12306D #6D2212 #5E6D12

monochromatic

#040C1A #091938 #12306D #1B47A2 #235ED6

Accessibility & contrast

On white

12.58

#12306D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#12306D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12306D

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12306D	#FFFFFF	#000000	##FFFFFF
##12306D	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02386F

Deuteranopia (green-blind)

#002F6C

Tritanopia (blue-blind)

#003F49

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #12306d;
/* rgb */ color: rgb(18, 48, 109);
/* oklch */ color: oklch(32.7% 0.112 262.4);

Tailwind

colors: {
  custom: {
    50: '#616797',
    500: '#12306d',
    950: '#000000',
  },
}

SCSS

$custom: #12306d;
$custom-light: #616797;
$custom-dark: #000000;

JSON

{
  "hex": "#12306d",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 109
  },
  "hsl": {
    "h": 220.22,
    "s": 71.654,
    "l": 24.902
  },
  "oklch": {
    "l": 0.327,
    "c": 0.1123,
    "h": 262.4
  },
  "luminance": 0.03347
}

Semantic roles & 50–950 ramp

primary

#12306D

secondary

#A48037

accent

#B339EE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #12306D

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

Preview Lab → · Contrast checker → · Palette generator →