#12305B#12305B

#12305B is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.2% C 0.085 H 257.8°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#12305B
RGB	rgb(18, 48, 91)
HSL	hsl(215, 67%, 21%)
HSV	hsv(215, 80%, 36%)
CMYK	cmyk(80.2%, 47.3%, 0%, 64.3%)
CIE-LAB	lab(20.03, 6.03, -29.02)
CIE-LCH	lch(20.03, 29.64, 281.74°)
OKLab	oklab(31.24% -0.0179 -0.0831)
OKLCH	oklch(31.24% 0.085 257.8)
XYZ	xyz(3.1940, 2.9975, 10.3057)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12305B #5B3D12

analogous

#12555B #12305B #19125B

triadic

#12305B #5B1230 #305B12

tetradic

#12305B #5B1255 #5B3D12 #125B19

square

#12305B #5B1255 #5B3D12 #125B19

split-complementary

#12305B #5B1912 #555B12

monochromatic

#050D1A #081528 #12305B #1C4B8E #2666C1

Accessibility & contrast

On white

13.13

#12305B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#12305B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12305B

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12305B	#FFFFFF	#000000	##FFFFFF
##12305B	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A345D

Deuteranopia (green-blind)

#0C2D5A

Tritanopia (blue-blind)

#003A41

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #12305b;
/* rgb */ color: rgb(18, 48, 91);
/* oklch */ color: oklch(31.2% 0.085 257.8);

Tailwind

colors: {
  custom: {
    50: '#5c678a',
    500: '#12305b',
    950: '#000000',
  },
}

SCSS

$custom: #12305b;
$custom-light: #5c678a;
$custom-dark: #000000;

JSON

{
  "hex": "#12305b",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 91
  },
  "hsl": {
    "h": 215.342,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31238,
    "c": 0.08498,
    "h": 257.8
  },
  "luminance": 0.02998
}

Semantic roles & 50–950 ramp

primary

#12305B

secondary

#936D35

accent

#A33EEA

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#04060B

muted

#797A7C

Preview Lab

Preview with #12305B

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

Preview Lab → · Contrast checker → · Palette generator →