#12356F#12356F

#12356F is a dark, moderate blue. Relative luminance 0.038; OKLCH L 34.0% C 0.109 H 260.1°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#12356F
RGB	rgb(18, 53, 111)
HSL	hsl(217, 72%, 25%)
HSV	hsv(217, 84%, 44%)
CMYK	cmyk(83.8%, 52.3%, 0%, 56.5%)
CIE-LAB	lab(23.07, 10.98, -37.15)
CIE-LCH	lch(23.07, 38.74, 286.47°)
OKLab	oklab(34.04% -0.0187 -0.1069)
OKLCH	oklch(34.04% 0.109 260.1)
XYZ	xyz(4.3908, 3.8220, 15.5421)
Luminance	0.0382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12356F #6F4C12

analogous

#12646F #12356F #1D126F

triadic

#12356F #6F1235 #356F12

tetradic

#12356F #6F1264 #6F4C12 #126F1D

square

#12356F #6F1264 #6F4C12 #126F1D

split-complementary

#12356F #6F1D12 #646F12

monochromatic

#040D1A #091C3A #12356F #1B4EA4 #2367D8

Accessibility & contrast

On white

11.90

#12356F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#12356F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12356F

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12356F	#FFFFFF	#000000	##FFFFFF
##12356F	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#123B71

Deuteranopia (green-blind)

#00336E

Tritanopia (blue-blind)

#00434C

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #12356f;
/* rgb */ color: rgb(18, 53, 111);
/* oklch */ color: oklch(34.0% 0.109 260.1);

Tailwind

colors: {
  custom: {
    50: '#616b99',
    500: '#12356f',
    950: '#000000',
  },
}

SCSS

$custom: #12356f;
$custom-light: #616b99;
$custom-dark: #000000;

JSON

{
  "hex": "#12356f",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 111
  },
  "hsl": {
    "h": 217.419,
    "s": 72.093,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34041,
    "c": 0.10854,
    "h": 260.1
  },
  "luminance": 0.03823
}

Semantic roles & 50–950 ramp

primary

#12356F

secondary

#A67C37

accent

#AA39EF

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #12356F

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

Preview Lab → · Contrast checker → · Palette generator →