#12348D#12348D

#12348D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.153 H 264.1°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#12348D
RGB	rgb(18, 52, 141)
HSL	hsl(223, 77%, 31%)
HSV	hsv(223, 87%, 55%)
CMYK	cmyk(87.2%, 63.1%, 0%, 44.7%)
CIE-LAB	lab(25.28, 24.24, -52.48)
CIE-LCH	lch(25.28, 57.81, 294.79°)
OKLab	oklab(36.49% -0.0156 -0.1519)
OKLCH	oklch(36.49% 0.153 264.1)
XYZ	xyz(6.2835, 4.5069, 25.7329)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12348D #8D6B12

analogous

#12718D #12348D #2E128D

triadic

#12348D #8D1234 #348D12

tetradic

#12348D #8D1271 #8D6B12 #128D2E

square

#12348D #8D1271 #8D6B12 #128D2E

split-complementary

#12348D #8D2E12 #718D12

monochromatic

#040C20 #0B2057 #12348D #1948C3 #3465E5

Accessibility & contrast

On white

11.04

#12348D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#12348D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12348D

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12348D	#FFFFFF	#000000	##FFFFFF
##12348D	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004290

Deuteranopia (green-blind)

#00368B

Tritanopia (blue-blind)

#004B5B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #12348d;
/* rgb */ color: rgb(18, 52, 141);
/* oklch */ color: oklch(36.5% 0.153 264.1);

Tailwind

colors: {
  custom: {
    50: '#696baf',
    500: '#12348d',
    950: '#000000',
  },
}

SCSS

$custom: #12348d;
$custom-light: #696baf;
$custom-dark: #000000;

JSON

{
  "hex": "#12348d",
  "rgb": {
    "r": 18,
    "g": 52,
    "b": 141
  },
  "hsl": {
    "h": 223.415,
    "s": 77.358,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36489,
    "c": 0.15275,
    "h": 264.1
  },
  "luminance": 0.04508
}

Semantic roles & 50–950 ramp

primary

#12348D

secondary

#C19C39

accent

#BF34F4

background

#F6F6FA

surface

#ECEBF5

border

#C7C6CF

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #12348D

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

Preview Lab → · Contrast checker → · Palette generator →