#12305A#12305A

#12305A is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.2% C 0.083 H 257.5°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#12305A
RGB	rgb(18, 48, 90)
HSL	hsl(215, 67%, 21%)
HSV	hsv(215, 80%, 35%)
CMYK	cmyk(80%, 46.7%, 0%, 64.7%)
CIE-LAB	lab(19.96, 5.61, -28.47)
CIE-LCH	lch(19.96, 29.01, 281.14°)
OKLab	oklab(31.16% -0.0181 -0.0815)
OKLCH	oklch(31.16% 0.083 257.5)
XYZ	xyz(3.1512, 2.9803, 10.0801)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12305A #5A3C12

analogous

#12545A #12305A #18125A

triadic

#12305A #5A1230 #305A12

tetradic

#12305A #5A1254 #5A3C12 #125A18

square

#12305A #5A1254 #5A3C12 #125A18

split-complementary

#12305A #5A1812 #545A12

monochromatic

#050E1A #081527 #12305A #1C4B8D #2666C0

Accessibility & contrast

On white

13.16

#12305A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#12305A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12305A

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12305A	#FFFFFF	#000000	##FFFFFF
##12305A	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B345C

Deuteranopia (green-blind)

#0E2D59

Tritanopia (blue-blind)

#003A40

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #12305a;
/* rgb */ color: rgb(18, 48, 90);
/* oklch */ color: oklch(31.2% 0.083 257.5);

Tailwind

colors: {
  custom: {
    50: '#5b6789',
    500: '#12305a',
    950: '#000000',
  },
}

SCSS

$custom: #12305a;
$custom-light: #5b6789;
$custom-dark: #000000;

JSON

{
  "hex": "#12305a",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 90
  },
  "hsl": {
    "h": 215,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31162,
    "c": 0.08345,
    "h": 257.5
  },
  "luminance": 0.02981
}

Semantic roles & 50–950 ramp

primary

#12305A

secondary

#936C35

accent

#A23EEA

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #12305A

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

Preview Lab → · Contrast checker → · Palette generator →