#12367B#12367B

#12367B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.3% C 0.125 H 261.7°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#12367B
RGB	rgb(18, 54, 123)
HSL	hsl(219, 74%, 28%)
HSV	hsv(219, 85%, 48%)
CMYK	cmyk(85.4%, 56.1%, 0%, 51.8%)
CIE-LAB	lab(24.31, 15.36, -42.80)
CIE-LCH	lch(24.31, 45.47, 289.74°)
OKLab	oklab(35.28% -0.018 -0.1235)
OKLCH	oklch(35.28% 0.125 261.7)
XYZ	xyz(5.1425, 4.1964, 19.2740)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12367B #7B5712

analogous

#126A7B #12367B #23127B

triadic

#12367B #7B1236 #367B12

tetradic

#12367B #7B126A #7B5712 #127B23

square

#12367B #7B126A #7B5712 #127B23

split-complementary

#12367B #7B2312 #6A7B12

monochromatic

#040C1B #0A1F46 #12367B #1A4DB0 #2867E0

Accessibility & contrast

On white

11.42

#12367B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#12367B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12367B

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12367B	#FFFFFF	#000000	##FFFFFF
##12367B	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7D

Deuteranopia (green-blind)

#00357A

Tritanopia (blue-blind)

#004753

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #12367b;
/* rgb */ color: rgb(18, 54, 123);
/* oklch */ color: oklch(35.3% 0.125 261.7);

Tailwind

colors: {
  custom: {
    50: '#646ca2',
    500: '#12367b',
    950: '#000000',
  },
}

SCSS

$custom: #12367b;
$custom-light: #646ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#12367b",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 123
  },
  "hsl": {
    "h": 219.429,
    "s": 74.468,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35279,
    "c": 0.12479,
    "h": 261.7
  },
  "luminance": 0.04197
}

Semantic roles & 50–950 ramp

primary

#12367B

secondary

#B18738

accent

#B137F1

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06060F

muted

#7A7A7F

Preview Lab

Preview with #12367B

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

Preview Lab → · Contrast checker → · Palette generator →