#18248C#18248C

#18248C is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.169 H 268.8°. Best body text is #FFFFFF at 12.58:1 contrast (WCAG AA passes).

Color values

HEX	#18248C
RGB	rgb(24, 36, 140)
HSL	hsl(234, 71%, 32%)
HSV	hsv(234, 83%, 55%)
CMYK	cmyk(82.9%, 74.3%, 0%, 45.1%)
CIE-LAB	lab(21.39, 35.00, -58.25)
CIE-LCH	lch(21.39, 67.95, 301.00°)
OKLab	oklab(33.68% -0.0035 -0.1688)
OKLCH	oklch(33.68% 0.169 268.8)
XYZ	xyz(5.7396, 3.3487, 25.1497)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18248C #8C8018

analogous

#185E8C #18248C #46188C

triadic

#18248C #8C1824 #248C18

tetradic

#18248C #8C185E #8C8018 #188C46

square

#18248C #8C185E #8C8018 #188C46

split-complementary

#18248C #8C4618 #5E8C18

monochromatic

#060924 #0F1758 #18248C #2131C0 #4050DE

Accessibility & contrast

On white

12.58

#18248C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#18248C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18248C

12.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18248C	#FFFFFF	#000000	##FFFFFF
##18248C	1.00	12.58	1.67	12.58
#FFFFFF	12.58	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398F

Deuteranopia (green-blind)

#002E8A

Tritanopia (blue-blind)

#004255

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #18248c;
/* rgb */ color: rgb(24, 36, 140);
/* oklch */ color: oklch(33.7% 0.169 268.8);

Tailwind

colors: {
  custom: {
    50: '#6c5faf',
    500: '#18248c',
    950: '#000000',
  },
}

SCSS

$custom: #18248c;
$custom-light: #6c5faf;
$custom-dark: #000000;

JSON

{
  "hex": "#18248c",
  "rgb": {
    "r": 24,
    "g": 36,
    "b": 140
  },
  "hsl": {
    "h": 233.793,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33676,
    "c": 0.16881,
    "h": 268.8
  },
  "luminance": 0.03349
}

Semantic roles & 50–950 ramp

primary

#18248C

secondary

#BFB241

accent

#DB3AED

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080510

muted

#7B797F

Preview Lab

Preview with #18248C

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

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