#18336A#18336A

#18336A is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.4% C 0.102 H 262.6°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#18336A
RGB	rgb(24, 51, 106)
HSL	hsl(220, 63%, 25%)
HSV	hsv(220, 77%, 42%)
CMYK	cmyk(77.4%, 51.9%, 0%, 58.4%)
CIE-LAB	lab(22.31, 11.10, -35.16)
CIE-LCH	lch(22.31, 36.86, 287.52°)
OKLab	oklab(33.4% -0.0132 -0.101)
OKLCH	oklch(33.4% 0.102 262.6)
XYZ	xyz(4.1611, 3.6020, 14.1088)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18336A #6A4F18

analogous

#185C6A #18336A #26186A

triadic

#18336A #6A1833 #336A18

tetradic

#18336A #6A185C #6A4F18 #186A26

square

#18336A #6A185C #6A4F18 #186A26

split-complementary

#18336A #6A2618 #5C6A18

monochromatic

#060C19 #0D1B38 #18336A #234B9C #2F63CE

Accessibility & contrast

On white

12.21

#18336A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#18336A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18336A

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18336A	#FFFFFF	#000000	##FFFFFF
##18336A	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13396C

Deuteranopia (green-blind)

#003269

Tritanopia (blue-blind)

#004049

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #18336a;
/* rgb */ color: rgb(24, 51, 106);
/* oklch */ color: oklch(33.4% 0.102 262.6);

Tailwind

colors: {
  custom: {
    50: '#626a95',
    500: '#18336a',
    950: '#000000',
  },
}

SCSS

$custom: #18336a;
$custom-light: #626a95;
$custom-dark: #000000;

JSON

{
  "hex": "#18336a",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 106
  },
  "hsl": {
    "h": 220.244,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.33401,
    "c": 0.10183,
    "h": 262.6
  },
  "luminance": 0.03602
}

Semantic roles & 50–950 ramp

primary

#18336A

secondary

#A0803E

accent

#B042E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #18336A

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

Preview Lab → · Contrast checker → · Palette generator →