#18206E#18206E

#18206E is a dark, vivid blue. Relative luminance 0.024; OKLCH L 29.7% C 0.133 H 270.9°. Best body text is #FFFFFF at 14.28:1 contrast (WCAG AA passes).

Color values

HEX	#18206E
RGB	rgb(24, 32, 110)
HSL	hsl(234, 64%, 26%)
HSV	hsv(234, 78%, 43%)
CMYK	cmyk(78.2%, 70.9%, 0%, 56.9%)
CIE-LAB	lab(17.24, 26.29, -46.00)
CIE-LCH	lch(17.24, 52.99, 299.75°)
OKLab	oklab(29.72% 0.0021 -0.1331)
OKLCH	oklch(29.72% 0.133 270.9)
XYZ	xyz(3.7067, 2.3526, 15.0076)
Luminance	0.0235 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18206E #6E6618

analogous

#184B6E #18206E #3B186E

triadic

#18206E #6E1820 #206E18

tetradic

#18206E #6E184B #6E6618 #186E3B

square

#18206E #6E184B #6E6618 #186E3B

split-complementary

#18206E #6E3B18 #4B6E18

monochromatic

#050719 #0D113C #18206E #232FA0 #2F3ED2

Accessibility & contrast

On white

14.28

#18206E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#18206E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18206E

14.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18206E	#FFFFFF	#000000	##FFFFFF
##18206E	1.00	14.28	1.47	14.28
#FFFFFF	14.28	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F70

Deuteranopia (green-blind)

#00266D

Tritanopia (blue-blind)

#003544

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #18206e;
/* rgb */ color: rgb(24, 32, 110);
/* oklch */ color: oklch(29.7% 0.133 270.9);

Tailwind

colors: {
  custom: {
    50: '#645b98',
    500: '#18206e',
    950: '#000000',
  },
}

SCSS

$custom: #18206e;
$custom-light: #645b98;
$custom-dark: #000000;

JSON

{
  "hex": "#18206e",
  "rgb": {
    "r": 24,
    "g": 32,
    "b": 110
  },
  "hsl": {
    "h": 234.419,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29722,
    "c": 0.1331,
    "h": 270.9
  },
  "luminance": 0.02353
}

Semantic roles & 50–950 ramp

primary

#18206E

secondary

#A49A3E

accent

#D841E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #18206E

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

Preview Lab → · Contrast checker → · Palette generator →