#18335A#18335A

#18335A is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.2% C 0.077 H 257.7°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#18335A
RGB	rgb(24, 51, 90)
HSL	hsl(215, 58%, 22%)
HSV	hsv(215, 73%, 35%)
CMYK	cmyk(73.3%, 43.3%, 0%, 64.7%)
CIE-LAB	lab(21.21, 4.46, -26.47)
CIE-LCH	lch(21.21, 26.84, 279.56°)
OKLab	oklab(32.2% -0.0164 -0.0754)
OKLCH	oklch(32.2% 0.077 257.7)
XYZ	xyz(3.4053, 3.2997, 10.1283)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18335A #5A3F18

analogous

#18545A #18335A #1E185A

triadic

#18335A #5A1833 #335A18

tetradic

#18335A #5A1854 #5A3F18 #185A1E

square

#18335A #5A1854 #5A3F18 #185A1E

split-complementary

#18335A #5A1E18 #545A18

monochromatic

#060E18 #0B182A #18335A #254E8A #326ABB

Accessibility & contrast

On white

12.65

#18335A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#18335A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18335A

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18335A	#FFFFFF	#000000	##FFFFFF
##18335A	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21365C

Deuteranopia (green-blind)

#173059

Tritanopia (blue-blind)

#003C42

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #18335a;
/* rgb */ color: rgb(24, 51, 90);
/* oklch */ color: oklch(32.2% 0.077 257.7);

Tailwind

colors: {
  custom: {
    50: '#5e6a89',
    500: '#18335a',
    950: '#000000',
  },
}

SCSS

$custom: #18335a;
$custom-light: #5e6a89;
$custom-dark: #000000;

JSON

{
  "hex": "#18335a",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 90
  },
  "hsl": {
    "h": 215.455,
    "s": 57.895,
    "l": 22.353
  },
  "oklch": {
    "l": 0.32196,
    "c": 0.0772,
    "h": 257.7
  },
  "luminance": 0.033
}

Semantic roles & 50–950 ramp

primary

#18335A

secondary

#916E3D

accent

#A247E1

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #18335A

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

Preview Lab → · Contrast checker → · Palette generator →