#18306A#18306A

#18306A is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.7% C 0.106 H 264.4°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#18306A
RGB	rgb(24, 48, 106)
HSL	hsl(222, 63%, 25%)
HSV	hsv(222, 77%, 42%)
CMYK	cmyk(77.4%, 54.7%, 0%, 58.4%)
CIE-LAB	lab(21.39, 13.26, -36.64)
CIE-LCH	lch(21.39, 38.97, 289.89°)
OKLab	oklab(32.7% -0.0104 -0.1054)
OKLCH	oklch(32.7% 0.106 264.4)
XYZ	xyz(4.0342, 3.3483, 14.0665)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18306A #6A5218

analogous

#18596A #18306A #29186A

triadic

#18306A #6A1830 #306A18

tetradic

#18306A #6A1859 #6A5218 #186A29

square

#18306A #6A1859 #6A5218 #186A29

split-complementary

#18306A #6A2918 #596A18

monochromatic

#060B19 #0D1938 #18306A #23479C #2F5DCE

Accessibility & contrast

On white

12.58

#18306A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#18306A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18306A

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18306A	#FFFFFF	#000000	##FFFFFF
##18306A	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A376C

Deuteranopia (green-blind)

#003069

Tritanopia (blue-blind)

#003E48

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #18306a;
/* rgb */ color: rgb(24, 48, 106);
/* oklch */ color: oklch(32.7% 0.106 264.4);

Tailwind

colors: {
  custom: {
    50: '#626795',
    500: '#18306a',
    950: '#000000',
  },
}

SCSS

$custom: #18306a;
$custom-light: #626795;
$custom-dark: #000000;

JSON

{
  "hex": "#18306a",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 106
  },
  "hsl": {
    "h": 222.439,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.32699,
    "c": 0.10592,
    "h": 264.4
  },
  "luminance": 0.03349
}

Semantic roles & 50–950 ramp

primary

#18306A

secondary

#A0833E

accent

#B642E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #18306A

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

Preview Lab → · Contrast checker → · Palette generator →