#18347A#18347A

#18347A is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.0% C 0.124 H 264.4°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#18347A
RGB	rgb(24, 52, 122)
HSL	hsl(223, 67%, 29%)
HSV	hsv(223, 80%, 48%)
CMYK	cmyk(80.3%, 57.4%, 0%, 52.2%)
CIE-LAB	lab(23.85, 17.02, -42.90)
CIE-LCH	lch(23.85, 46.15, 291.63°)
OKLab	oklab(34.97% -0.0122 -0.1237)
OKLCH	oklch(34.97% 0.124 264.4)
XYZ	xyz(5.1163, 4.0547, 18.9216)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18347A #7A5E18

analogous

#18657A #18347A #2D187A

triadic

#18347A #7A1834 #347A18

tetradic

#18347A #7A1865 #7A5E18 #187A2D

square

#18347A #7A1865 #7A5E18 #187A2D

split-complementary

#18347A #7A2D18 #657A18

monochromatic

#050B1A #0E1E47 #18347A #224AAD #3563D7

Accessibility & contrast

On white

11.60

#18347A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#18347A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18347A

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18347A	#FFFFFF	#000000	##FFFFFF
##18347A	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7C

Deuteranopia (green-blind)

#003479

Tritanopia (blue-blind)

#004551

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #18347a;
/* rgb */ color: rgb(24, 52, 122);
/* oklch */ color: oklch(35.0% 0.124 264.4);

Tailwind

colors: {
  custom: {
    50: '#666aa1',
    500: '#18347a',
    950: '#000000',
  },
}

SCSS

$custom: #18347a;
$custom-light: #666aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#18347a",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 122
  },
  "hsl": {
    "h": 222.857,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.34966,
    "c": 0.12433,
    "h": 264.4
  },
  "luminance": 0.04055
}

Semantic roles & 50–950 ramp

primary

#18347A

secondary

#AF8F3F

accent

#B93EEA

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18347A

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

Preview Lab → · Contrast checker → · Palette generator →