#12368F#12368F

#12368F is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.153 H 263.7°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#12368F
RGB	rgb(18, 54, 143)
HSL	hsl(223, 78%, 32%)
HSV	hsv(223, 87%, 56%)
CMYK	cmyk(87.4%, 62.2%, 0%, 43.9%)
CIE-LAB	lab(26.01, 23.66, -52.53)
CIE-LCH	lch(26.01, 57.61, 294.25°)
OKLab	oklab(37.09% -0.0167 -0.1521)
OKLCH	oklch(37.09% 0.153 263.7)
XYZ	xyz(6.5248, 4.7493, 26.5541)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12368F #8F6B12

analogous

#12758F #12368F #2D128F

triadic

#12368F #8F1236 #368F12

tetradic

#12368F #8F1275 #8F6B12 #128F2D

square

#12368F #8F1275 #8F6B12 #128F2D

split-complementary

#12368F #8F2D12 #758F12

monochromatic

#040D22 #0B2159 #12368F #194BC5 #3668E6

Accessibility & contrast

On white

10.77

#12368F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#12368F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12368F

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12368F	#FFFFFF	#000000	##FFFFFF
##12368F	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004392

Deuteranopia (green-blind)

#00388D

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #12368f;
/* rgb */ color: rgb(18, 54, 143);
/* oklch */ color: oklch(37.1% 0.153 263.7);

Tailwind

colors: {
  custom: {
    50: '#6a6cb1',
    500: '#12368f',
    950: '#000000',
  },
}

SCSS

$custom: #12368f;
$custom-light: #6a6cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#12368f",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 143
  },
  "hsl": {
    "h": 222.72,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37087,
    "c": 0.15297,
    "h": 263.7
  },
  "luminance": 0.0475
}

Semantic roles & 50–950 ramp

primary

#12368F

secondary

#C39C3A

accent

#BD34F4

background

#F6F6FB

surface

#ECEBF6

border

#C7C6D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #12368F

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

Preview Lab → · Contrast checker → · Palette generator →