#18247D#18247D

#18247D is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.149 H 269.3°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#18247D
RGB	rgb(24, 36, 125)
HSL	hsl(233, 68%, 29%)
HSV	hsv(233, 81%, 49%)
CMYK	cmyk(80.8%, 71.2%, 0%, 51%)
CIE-LAB	lab(19.79, 29.38, -51.45)
CIE-LCH	lch(19.79, 59.25, 299.72°)
OKLab	oklab(32.04% -0.0017 -0.149)
OKLCH	oklch(32.04% 0.149 269.3)
XYZ	xyz(4.7080, 2.9361, 19.7167)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18247D #7D7118

analogous

#18577D #18247D #3F187D

triadic

#18247D #7D1824 #247D18

tetradic

#18247D #7D1857 #7D7118 #187D3F

square

#18247D #7D1857 #7D7118 #187D3F

split-complementary

#18247D #7D3F18 #577D18

monochromatic

#05071A #0E154A #18247D #2233B0 #374AD9

Accessibility & contrast

On white

13.23

#18247D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#18247D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18247D

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18247D	#FFFFFF	#000000	##FFFFFF
##18247D	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003580

Deuteranopia (green-blind)

#002B7B

Tritanopia (blue-blind)

#003D4D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #18247d;
/* rgb */ color: rgb(24, 36, 125);
/* oklch */ color: oklch(32.0% 0.149 269.3);

Tailwind

colors: {
  custom: {
    50: '#685fa4',
    500: '#18247d',
    950: '#000000',
  },
}

SCSS

$custom: #18247d;
$custom-light: #685fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#18247d",
  "rgb": {
    "r": 24,
    "g": 36,
    "b": 125
  },
  "hsl": {
    "h": 232.871,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3204,
    "c": 0.14899,
    "h": 269.3
  },
  "luminance": 0.02937
}

Semantic roles & 50–950 ramp

primary

#18247D

secondary

#B2A43F

accent

#D63DEB

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #18247D

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

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