#12336B#12336B

#12336B is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.2% C 0.105 H 260.3°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#12336B
RGB	rgb(18, 51, 107)
HSL	hsl(218, 71%, 25%)
HSV	hsv(218, 83%, 42%)
CMYK	cmyk(83.2%, 52.3%, 0%, 58%)
CIE-LAB	lab(22.15, 10.72, -36.07)
CIE-LCH	lch(22.15, 37.63, 286.55°)
OKLab	oklab(33.24% -0.0177 -0.1038)
OKLCH	oklch(33.24% 0.105 260.3)
XYZ	xyz(4.0862, 3.5573, 14.3783)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12336B #6B4A12

analogous

#12606B #12336B #1E126B

triadic

#12336B #6B1233 #336B12

tetradic

#12336B #6B1260 #6B4A12 #126B1E

square

#12336B #6B1260 #6B4A12 #126B1E

split-complementary

#12336B #6B1E12 #606B12

monochromatic

#040C1A #091A37 #12336B #1B4C9F #2465D4

Accessibility & contrast

On white

12.27

#12336B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#12336B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12336B

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12336B	#FFFFFF	#000000	##FFFFFF
##12336B	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11396D

Deuteranopia (green-blind)

#00316A

Tritanopia (blue-blind)

#00404A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #12336b;
/* rgb */ color: rgb(18, 51, 107);
/* oklch */ color: oklch(33.2% 0.105 260.3);

Tailwind

colors: {
  custom: {
    50: '#606a96',
    500: '#12336b',
    950: '#000000',
  },
}

SCSS

$custom: #12336b;
$custom-light: #606a96;
$custom-dark: #000000;

JSON

{
  "hex": "#12336b",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 107
  },
  "hsl": {
    "h": 217.753,
    "s": 71.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.33238,
    "c": 0.10527,
    "h": 260.3
  },
  "luminance": 0.03558
}

Semantic roles & 50–950 ramp

primary

#12336B

secondary

#A27A36

accent

#AB3AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#05060D

muted

#7A7A7E

Preview Lab

Preview with #12336B

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

Preview Lab → · Contrast checker → · Palette generator →