#18355F#18355F

#18355F is a dark, moderate blue. Relative luminance 0.036; OKLCH L 33.1% C 0.082 H 257.8°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#18355F
RGB	rgb(24, 53, 95)
HSL	hsl(215, 60%, 23%)
HSV	hsv(215, 75%, 37%)
CMYK	cmyk(74.7%, 44.2%, 0%, 62.7%)
CIE-LAB	lab(22.18, 5.10, -28.20)
CIE-LCH	lch(22.18, 28.66, 280.25°)
OKLab	oklab(33.06% -0.0173 -0.0805)
OKLCH	oklch(33.06% 0.082 257.8)
XYZ	xyz(3.7146, 3.5662, 11.3168)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18355F #5F4218

analogous

#18585F #18355F #1E185F

triadic

#18355F #5F1835 #355F18

tetradic

#18355F #5F1858 #5F4218 #185F1E

square

#18355F #5F1858 #5F4218 #185F1E

split-complementary

#18355F #5F1E18 #585F18

monochromatic

#060E18 #0C1A2E #18355F #245090 #316CC1

Accessibility & contrast

On white

12.26

#18355F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#18355F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18355F

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18355F	#FFFFFF	#000000	##FFFFFF
##18355F	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213961

Deuteranopia (green-blind)

#16325E

Tritanopia (blue-blind)

#003F45

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #18355f;
/* rgb */ color: rgb(24, 53, 95);
/* oklch */ color: oklch(33.1% 0.082 257.8);

Tailwind

colors: {
  custom: {
    50: '#5f6b8d',
    500: '#18355f',
    950: '#000000',
  },
}

SCSS

$custom: #18355f;
$custom-light: #5f6b8d;
$custom-dark: #000000;

JSON

{
  "hex": "#18355f",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 95
  },
  "hsl": {
    "h": 215.493,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33058,
    "c": 0.08234,
    "h": 257.8
  },
  "luminance": 0.03567
}

Semantic roles & 50–950 ramp

primary

#18355F

secondary

#95713D

accent

#A245E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #18355F

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

Preview Lab → · Contrast checker → · Palette generator →