#12368C#12368C

#12368C is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.149 H 263.5°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#12368C
RGB	rgb(18, 54, 140)
HSL	hsl(222, 77%, 31%)
HSV	hsv(222, 87%, 55%)
CMYK	cmyk(87.1%, 61.4%, 0%, 45.1%)
CIE-LAB	lab(25.74, 22.43, -51.11)
CIE-LCH	lch(25.74, 55.81, 293.70°)
OKLab	oklab(36.81% -0.0168 -0.1479)
OKLCH	oklch(36.81% 0.149 263.5)
XYZ	xyz(6.3006, 4.6596, 25.3732)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12368C #8C6812

analogous

#12738C #12368C #2B128C

triadic

#12368C #8C1236 #368C12

tetradic

#12368C #8C1273 #8C6812 #128C2B

square

#12368C #8C1273 #8C6812 #128C2B

split-complementary

#12368C #8C2B12 #738C12

monochromatic

#040C20 #0B2156 #12368C #194BC2 #3468E5

Accessibility & contrast

On white

10.87

#12368C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#12368C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12368C

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12368C	#FFFFFF	#000000	##FFFFFF
##12368C	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438F

Deuteranopia (green-blind)

#00388A

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #12368c;
/* rgb */ color: rgb(18, 54, 140);
/* oklch */ color: oklch(36.8% 0.149 263.5);

Tailwind

colors: {
  custom: {
    50: '#696cae',
    500: '#12368c',
    950: '#000000',
  },
}

SCSS

$custom: #12368c;
$custom-light: #696cae;
$custom-dark: #000000;

JSON

{
  "hex": "#12368c",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 140
  },
  "hsl": {
    "h": 222.295,
    "s": 77.215,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36806,
    "c": 0.14884,
    "h": 263.5
  },
  "luminance": 0.0466
}

Semantic roles & 50–950 ramp

primary

#12368C

secondary

#C09939

accent

#BB34F4

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #12368C

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

Preview Lab → · Contrast checker → · Palette generator →