#18205E#18205E

#18205E is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.1% C 0.110 H 271.7°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#18205E
RGB	rgb(24, 32, 94)
HSL	hsl(233, 59%, 23%)
HSV	hsv(233, 74%, 37%)
CMYK	cmyk(74.5%, 66%, 0%, 63.1%)
CIE-LAB	lab(15.67, 19.96, -38.05)
CIE-LCH	lch(15.67, 42.97, 297.68°)
OKLab	oklab(28.09% 0.0032 -0.1098)
OKLCH	oklch(28.09% 0.11 271.7)
XYZ	xyz(2.9129, 2.0351, 10.8268)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18205E #5E5618

analogous

#18435E #18205E #33185E

triadic

#18205E #5E1820 #205E18

tetradic

#18205E #5E1843 #5E5618 #185E33

square

#18205E #5E1843 #5E5618 #185E33

split-complementary

#18205E #5E3318 #435E18

monochromatic

#060818 #0C0F2D #18205E #24318F #3141C0

Accessibility & contrast

On white

14.93

#18205E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#18205E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18205E

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18205E	#FFFFFF	#000000	##FFFFFF
##18205E	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A60

Deuteranopia (green-blind)

#00245D

Tritanopia (blue-blind)

#00303B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #18205e;
/* rgb */ color: rgb(24, 32, 94);
/* oklch */ color: oklch(28.1% 0.110 271.7);

Tailwind

colors: {
  custom: {
    50: '#605b8c',
    500: '#18205e',
    950: '#000000',
  },
}

SCSS

$custom: #18205e;
$custom-light: #605b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#18205e",
  "rgb": {
    "r": 24,
    "g": 32,
    "b": 94
  },
  "hsl": {
    "h": 233.143,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.28092,
    "c": 0.10985,
    "h": 271.7
  },
  "luminance": 0.02035
}

Semantic roles & 50–950 ramp

primary

#18205E

secondary

#948B3D

accent

#D145E3

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #18205E

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

Preview Lab → · Contrast checker → · Palette generator →