#12327B#12327B

#12327B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.130 H 263.3°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#12327B
RGB	rgb(18, 50, 123)
HSL	hsl(222, 74%, 28%)
HSV	hsv(222, 85%, 48%)
CMYK	cmyk(85.4%, 59.3%, 0%, 51.8%)
CIE-LAB	lab(23.13, 18.22, -44.71)
CIE-LCH	lch(23.13, 48.28, 292.17°)
OKLab	oklab(34.39% -0.0152 -0.1292)
OKLCH	oklch(34.39% 0.13 263.3)
XYZ	xyz(4.9639, 3.8393, 19.2145)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12327B #7B5B12

analogous

#12677B #12327B #26127B

triadic

#12327B #7B1232 #327B12

tetradic

#12327B #7B1267 #7B5B12 #127B26

square

#12327B #7B1267 #7B5B12 #127B26

split-complementary

#12327B #7B2612 #677B12

monochromatic

#040B1B #0A1C46 #12327B #1A48B0 #2860E0

Accessibility & contrast

On white

11.88

#12327B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#12327B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12327B

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12327B	#FFFFFF	#000000	##FFFFFF
##12327B	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7D

Deuteranopia (green-blind)

#00337A

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #12327b;
/* rgb */ color: rgb(18, 50, 123);
/* oklch */ color: oklch(34.4% 0.130 263.3);

Tailwind

colors: {
  custom: {
    50: '#6469a2',
    500: '#12327b',
    950: '#000000',
  },
}

SCSS

$custom: #12327b;
$custom-light: #6469a2;
$custom-dark: #000000;

JSON

{
  "hex": "#12327b",
  "rgb": {
    "r": 18,
    "g": 50,
    "b": 123
  },
  "hsl": {
    "h": 221.714,
    "s": 74.468,
    "l": 27.647
  },
  "oklch": {
    "l": 0.34389,
    "c": 0.13009,
    "h": 263.3
  },
  "luminance": 0.0384
}

Semantic roles & 50–950 ramp

primary

#12327B

secondary

#B18C38

accent

#B837F1

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06060F

muted

#7A7A7F

Preview Lab

Preview with #12327B

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

Preview Lab → · Contrast checker → · Palette generator →