#18415B#18415B

#18415B is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 35.9% C 0.064 H 239.9°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#18415B
RGB	rgb(24, 65, 91)
HSL	hsl(203, 58%, 23%)
HSV	hsv(203, 74%, 36%)
CMYK	cmyk(73.6%, 28.6%, 0%, 64.3%)
CIE-LAB	lab(25.95, -4.69, -19.65)
CIE-LCH	lch(25.95, 20.20, 256.57°)
OKLab	oklab(35.94% -0.0321 -0.0553)
OKLCH	oklch(35.94% 0.064 239.9)
XYZ	xyz(4.1546, 4.7297, 10.5895)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18415B #5B3218

analogous

#185B54 #18415B #181F5B

triadic

#18415B #5B1841 #415B18

tetradic

#18415B #54185B #5B3218 #1F5B18

square

#18415B #54185B #5B3218 #1F5B18

split-complementary

#18415B #5B181F #5B5418

monochromatic

#061118 #0B1E2B #18415B #25648B #3286BC

Accessibility & contrast

On white

10.79

#18415B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#18415B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18415B

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18415B	#FFFFFF	#000000	##FFFFFF
##18415B	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35415C

Deuteranopia (green-blind)

#2C3B5B

Tritanopia (blue-blind)

#00484A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #18415b;
/* rgb */ color: rgb(24, 65, 91);
/* oklch */ color: oklch(35.9% 0.064 239.9);

Tailwind

colors: {
  custom: {
    50: '#5e7589',
    500: '#18415b',
    950: '#000000',
  },
}

SCSS

$custom: #18415b;
$custom-light: #5e7589;
$custom-dark: #000000;

JSON

{
  "hex": "#18415b",
  "rgb": {
    "r": 24,
    "g": 65,
    "b": 91
  },
  "hsl": {
    "h": 203.284,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35939,
    "c": 0.06399,
    "h": 239.9
  },
  "luminance": 0.0473
}

Semantic roles & 50–950 ramp

primary

#18415B

secondary

#925E3D

accent

#8346E1

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #18415B

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

Preview Lab → · Contrast checker → · Palette generator →