#18387A#18387A

#18387A is a dark, moderate blue. Relative luminance 0.044; OKLCH L 35.9% C 0.119 H 262.6°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#18387A
RGB	rgb(24, 56, 122)
HSL	hsl(220, 67%, 29%)
HSV	hsv(220, 80%, 48%)
CMYK	cmyk(80.3%, 54.1%, 0%, 52.2%)
CIE-LAB	lab(25.04, 14.17, -40.98)
CIE-LCH	lch(25.04, 43.36, 289.08°)
OKLab	oklab(35.86% -0.0154 -0.118)
OKLCH	oklch(35.86% 0.119 262.6)
XYZ	xyz(5.3025, 4.4271, 18.9836)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18387A #7A5A18

analogous

#18697A #18387A #29187A

triadic

#18387A #7A1838 #387A18

tetradic

#18387A #7A1869 #7A5A18 #187A29

square

#18387A #7A1869 #7A5A18 #187A29

split-complementary

#18387A #7A2918 #697A18

monochromatic

#050C1A #0E2147 #18387A #224FAD #356AD7

Accessibility & contrast

On white

11.14

#18387A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#18387A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18387A

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18387A	#FFFFFF	#000000	##FFFFFF
##18387A	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A407C

Deuteranopia (green-blind)

#003779

Tritanopia (blue-blind)

#004853

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #18387a;
/* rgb */ color: rgb(24, 56, 122);
/* oklch */ color: oklch(35.9% 0.119 262.6);

Tailwind

colors: {
  custom: {
    50: '#656ea1',
    500: '#18387a',
    950: '#000000',
  },
}

SCSS

$custom: #18387a;
$custom-light: #656ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#18387a",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 122
  },
  "hsl": {
    "h": 220.408,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35864,
    "c": 0.11901,
    "h": 262.6
  },
  "luminance": 0.04428
}

Semantic roles & 50–950 ramp

primary

#18387A

secondary

#AF8A3F

accent

#B23EEA

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #18387A

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

Preview Lab → · Contrast checker → · Palette generator →