#18347E#18347E

#18347E is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.3% C 0.130 H 264.7°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#18347E
RGB	rgb(24, 52, 126)
HSL	hsl(224, 68%, 29%)
HSV	hsv(224, 81%, 49%)
CMYK	cmyk(81%, 58.7%, 0%, 50.6%)
CIE-LAB	lab(24.18, 18.66, -44.89)
CIE-LCH	lch(24.18, 48.62, 292.57°)
OKLab	oklab(35.32% -0.0119 -0.1296)
OKLCH	oklch(35.32% 0.13 264.7)
XYZ	xyz(5.3692, 4.1559, 20.2538)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18347E #7E6218

analogous

#18677E #18347E #2F187E

triadic

#18347E #7E1834 #347E18

tetradic

#18347E #7E1867 #7E6218 #187E2F

square

#18347E #7E1867 #7E6218 #187E2F

split-complementary

#18347E #7E2F18 #677E18

monochromatic

#050B1A #0E1F4B #18347E #2249B1 #3764D9

Accessibility & contrast

On white

11.47

#18347E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#18347E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18347E

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18347E	#FFFFFF	#000000	##FFFFFF
##18347E	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E81

Deuteranopia (green-blind)

#00357D

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #18347e;
/* rgb */ color: rgb(24, 52, 126);
/* oklch */ color: oklch(35.3% 0.130 264.7);

Tailwind

colors: {
  custom: {
    50: '#676ba4',
    500: '#18347e',
    950: '#000000',
  },
}

SCSS

$custom: #18347e;
$custom-light: #676ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#18347e",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 126
  },
  "hsl": {
    "h": 223.529,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35318,
    "c": 0.13014,
    "h": 264.7
  },
  "luminance": 0.04157
}

Semantic roles & 50–950 ramp

primary

#18347E

secondary

#B2933F

accent

#BB3DEB

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #18347E

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

Preview Lab → · Contrast checker → · Palette generator →