#181358#181358

#181358 is a dark, moderate blue. Relative luminance 0.014; OKLCH L 25.0% C 0.118 H 276.9°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#181358
RGB	rgb(24, 19, 88)
HSL	hsl(244, 64%, 21%)
HSV	hsv(244, 78%, 35%)
CMYK	cmyk(72.7%, 78.4%, 0%, 65.5%)
CIE-LAB	lab(11.72, 26.61, -40.51)
CIE-LCH	lch(11.72, 48.46, 303.30°)
OKLab	oklab(25.04% 0.0141 -0.117)
OKLCH	oklch(25.04% 0.118 276.9)
XYZ	xyz(2.3704, 1.3643, 9.3690)
Luminance	0.0137 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181358 #535813

analogous

#133058 #181358 #3A1358

triadic

#181358 #581813 #135818

tetradic

#181358 #581330 #535813 #13583A

square

#181358 #581330 #535813 #13583A

split-complementary

#181358 #583A13 #305813

monochromatic

#070519 #0A0826 #181358 #261E8A #3329BD

Accessibility & contrast

On white

16.50

#181358 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#181358 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181358

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181358	#FFFFFF	#000000	##FFFFFF
##181358	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225A

Deuteranopia (green-blind)

#001C57

Tritanopia (blue-blind)

#002634

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #181358;
/* rgb */ color: rgb(24, 19, 88);
/* oklch */ color: oklch(25.0% 0.118 276.9);

Tailwind

colors: {
  custom: {
    50: '#605188',
    500: '#181358',
    950: '#000000',
  },
}

SCSS

$custom: #181358;
$custom-light: #605188;
$custom-dark: #000000;

JSON

{
  "hex": "#181358",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 88
  },
  "hsl": {
    "h": 244.348,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.25038,
    "c": 0.11786,
    "h": 276.9
  },
  "luminance": 0.01365
}

Semantic roles & 50–950 ramp

primary

#181358

secondary

#8A9037

accent

#E740DB

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020B

muted

#7A787C

Preview Lab

Preview with #181358

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

Preview Lab → · Contrast checker → · Palette generator →