#18244B#18244B

#18244B is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.3% C 0.074 H 268.3°. Best body text is #FFFFFF at 15.08:1 contrast (WCAG AA passes).

Color values

HEX	#18244B
RGB	rgb(24, 36, 75)
HSL	hsl(226, 52%, 19%)
HSV	hsv(226, 68%, 29%)
CMYK	cmyk(68%, 52%, 0%, 70.6%)
CIE-LAB	lab(15.30, 9.25, -25.83)
CIE-LCH	lch(15.30, 27.44, 289.69°)
OKLab	oklab(27.31% -0.0021 -0.0738)
OKLCH	oklch(27.31% 0.074 268.3)
XYZ	xyz(2.2771, 1.9637, 6.9143)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18244B #4B3F18

analogous

#183E4B #18244B #26184B

triadic

#18244B #4B1824 #244B18

tetradic

#18244B #4B183E #4B3F18 #184B26

square

#18244B #4B183E #4B3F18 #184B26

split-complementary

#18244B #4B2618 #3E4B18

monochromatic

#070B17 #090E1D #18244B #273A79 #3651A8

Accessibility & contrast

On white

15.08

#18244B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#18244B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18244B

15.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18244B	#FFFFFF	#000000	##FFFFFF
##18244B	1.00	15.08	1.39	15.08
#FFFFFF	15.08	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11294C

Deuteranopia (green-blind)

#08244A

Tritanopia (blue-blind)

#002D33

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #18244b;
/* rgb */ color: rgb(24, 36, 75);
/* oklch */ color: oklch(27.3% 0.074 268.3);

Tailwind

colors: {
  custom: {
    50: '#5b5e7d',
    500: '#18244b',
    950: '#000000',
  },
}

SCSS

$custom: #18244b;
$custom-light: #5b5e7d;
$custom-dark: #000000;

JSON

{
  "hex": "#18244b",
  "rgb": {
    "r": 24,
    "g": 36,
    "b": 75
  },
  "hsl": {
    "h": 225.882,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.27313,
    "c": 0.07385,
    "h": 268.3
  },
  "luminance": 0.01964
}

Semantic roles & 50–950 ramp

primary

#18244B

secondary

#82723D

accent

#BA4DDB

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04040A

muted

#79797C

Preview Lab

Preview with #18244B

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

Preview Lab → · Contrast checker → · Palette generator →