#18293B#18293B

#18293B is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.5% C 0.041 H 250.8°. Best body text is #FFFFFF at 14.80:1 contrast (WCAG AA passes).

Color values

HEX	#18293B
RGB	rgb(24, 41, 59)
HSL	hsl(211, 42%, 16%)
HSV	hsv(211, 59%, 23%)
CMYK	cmyk(59.3%, 30.5%, 0%, 76.9%)
CIE-LAB	lab(15.98, -0.77, -13.69)
CIE-LCH	lch(15.98, 13.71, 266.79°)
OKLab	oklab(27.52% -0.0133 -0.0383)
OKLCH	oklch(27.52% 0.041 250.8)
XYZ	xyz(1.9588, 2.0957, 4.4381)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18293B #3B2A18

analogous

#183B3B #18293B #19183B

triadic

#18293B #3B1829 #293B18

tetradic

#18293B #3B183B #3B2A18 #183B19

square

#18293B #3B183B #3B2A18 #183B19

split-complementary

#18293B #3B1918 #3B3B18

monochromatic

#090F16 #090F16 #18293B #2A4767 #3B6592

Accessibility & contrast

On white

14.80

#18293B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#18293B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18293B

14.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18293B	#FFFFFF	#000000	##FFFFFF
##18293B	1.00	14.80	1.42	14.80
#FFFFFF	14.80	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222A3C

Deuteranopia (green-blind)

#1D263B

Tritanopia (blue-blind)

#062D2F

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #18293b;
/* rgb */ color: rgb(24, 41, 59);
/* oklch */ color: oklch(27.5% 0.041 250.8);

Tailwind

colors: {
  custom: {
    50: '#586271',
    500: '#18293b',
    950: '#000000',
  },
}

SCSS

$custom: #18293b;
$custom-light: #586271;
$custom-dark: #000000;

JSON

{
  "hex": "#18293b",
  "rgb": {
    "r": 24,
    "g": 41,
    "b": 59
  },
  "hsl": {
    "h": 210.857,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.27518,
    "c": 0.04059,
    "h": 250.8
  },
  "luminance": 0.02096
}

Semantic roles & 50–950 ramp

primary

#18293B

secondary

#71583E

accent

#9656D2

background

#F5F5F6

surface

#E9EAEC

border

#C5C6C7

text

#030507

muted

#78797A

Preview Lab

Preview with #18293B

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

Preview Lab → · Contrast checker → · Palette generator →