#18335F#18335F

#18335F is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.6% C 0.085 H 259.7°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#18335F
RGB	rgb(24, 51, 95)
HSL	hsl(217, 60%, 23%)
HSV	hsv(217, 75%, 37%)
CMYK	cmyk(74.7%, 46.3%, 0%, 62.7%)
CIE-LAB	lab(21.53, 6.52, -29.24)
CIE-LCH	lch(21.53, 29.96, 282.58°)
OKLab	oklab(32.56% -0.0152 -0.0836)
OKLCH	oklch(32.56% 0.085 259.7)
XYZ	xyz(3.6253, 3.3877, 11.2871)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18335F #5F4418

analogous

#18565F #18335F #20185F

triadic

#18335F #5F1833 #335F18

tetradic

#18335F #5F1856 #5F4418 #185F20

square

#18335F #5F1856 #5F4418 #185F20

split-complementary

#18335F #5F2018 #565F18

monochromatic

#060D18 #0C192E #18335F #244D90 #3167C1

Accessibility & contrast

On white

12.52

#18335F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#18335F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18335F

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18335F	#FFFFFF	#000000	##FFFFFF
##18335F	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3761

Deuteranopia (green-blind)

#11315E

Tritanopia (blue-blind)

#003D44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18335f;
/* rgb */ color: rgb(24, 51, 95);
/* oklch */ color: oklch(32.6% 0.085 259.7);

Tailwind

colors: {
  custom: {
    50: '#5f6a8d',
    500: '#18335f',
    950: '#000000',
  },
}

SCSS

$custom: #18335f;
$custom-light: #5f6a8d;
$custom-dark: #000000;

JSON

{
  "hex": "#18335f",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 95
  },
  "hsl": {
    "h": 217.183,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.32556,
    "c": 0.08494,
    "h": 259.7
  },
  "luminance": 0.03388
}

Semantic roles & 50–950 ramp

primary

#18335F

secondary

#95743D

accent

#A745E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #18335F

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

Preview Lab → · Contrast checker → · Palette generator →