#12368E#12368E

#12368E is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.0% C 0.152 H 263.7°. Best body text is #FFFFFF at 10.80:1 contrast (WCAG AA passes).

Color values

HEX	#12368E
RGB	rgb(18, 54, 142)
HSL	hsl(223, 78%, 31%)
HSV	hsv(223, 87%, 56%)
CMYK	cmyk(87.3%, 62%, 0%, 44.3%)
CIE-LAB	lab(25.92, 23.25, -52.05)
CIE-LCH	lch(25.92, 57.01, 294.07°)
OKLab	oklab(36.99% -0.0167 -0.1507)
OKLCH	oklch(36.99% 0.152 263.7)
XYZ	xyz(6.4494, 4.7191, 26.1569)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12368E #8E6A12

analogous

#12748E #12368E #2C128E

triadic

#12368E #8E1236 #368E12

tetradic

#12368E #8E1274 #8E6A12 #128E2C

square

#12368E #8E1274 #8E6A12 #128E2C

split-complementary

#12368E #8E2C12 #748E12

monochromatic

#040D21 #0B2158 #12368E #194BC4 #3568E5

Accessibility & contrast

On white

10.80

#12368E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#12368E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12368E

10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12368E	#FFFFFF	#000000	##FFFFFF
##12368E	1.00	10.80	1.94	10.80
#FFFFFF	10.80	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004391

Deuteranopia (green-blind)

#00388C

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #12368e;
/* rgb */ color: rgb(18, 54, 142);
/* oklch */ color: oklch(37.0% 0.152 263.7);

Tailwind

colors: {
  custom: {
    50: '#696cb0',
    500: '#12368e',
    950: '#000000',
  },
}

SCSS

$custom: #12368e;
$custom-light: #696cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#12368e",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 142
  },
  "hsl": {
    "h": 222.581,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36993,
    "c": 0.15159,
    "h": 263.7
  },
  "luminance": 0.0472
}

Semantic roles & 50–950 ramp

primary

#12368E

secondary

#C29B3A

accent

#BC34F4

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080711

muted

#7A7A80

Preview Lab

Preview with #12368E

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

Preview Lab → · Contrast checker → · Palette generator →