#18396B#18396B

#18396B is a dark, moderate blue. Relative luminance 0.042; OKLCH L 34.9% C 0.095 H 258.7°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#18396B
RGB	rgb(24, 57, 107)
HSL	hsl(216, 63%, 26%)
HSV	hsv(216, 78%, 42%)
CMYK	cmyk(77.6%, 46.7%, 0%, 58%)
CIE-LAB	lab(24.26, 7.24, -32.66)
CIE-LCH	lch(24.26, 33.45, 282.50°)
OKLab	oklab(34.92% -0.0187 -0.0935)
OKLCH	oklch(34.92% 0.095 258.7)
XYZ	xyz(4.4927, 4.1815, 14.4774)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18396B #6B4A18

analogous

#18626B #18396B #21186B

triadic

#18396B #6B1839 #396B18

tetradic

#18396B #6B1862 #6B4A18 #186B21

square

#18396B #6B1862 #6B4A18 #186B21

split-complementary

#18396B #6B2118 #626B18

monochromatic

#060D19 #0D1E39 #18396B #23549D #2E6ECF

Accessibility & contrast

On white

11.44

#18396B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#18396B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18396B

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18396B	#FFFFFF	#000000	##FFFFFF
##18396B	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203E6D

Deuteranopia (green-blind)

#10366A

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #18396b;
/* rgb */ color: rgb(24, 57, 107);
/* oklch */ color: oklch(34.9% 0.095 258.7);

Tailwind

colors: {
  custom: {
    50: '#626e96',
    500: '#18396b',
    950: '#000000',
  },
}

SCSS

$custom: #18396b;
$custom-light: #626e96;
$custom-dark: #000000;

JSON

{
  "hex": "#18396b",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 107
  },
  "hsl": {
    "h": 216.145,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34925,
    "c": 0.09538,
    "h": 258.7
  },
  "luminance": 0.04182
}

Semantic roles & 50–950 ramp

primary

#18396B

secondary

#A17A3E

accent

#A541E6

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #18396B

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

Preview Lab → · Contrast checker → · Palette generator →