#18334E#18334E

#18334E is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.4% C 0.059 H 250.2°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#18334E
RGB	rgb(24, 51, 78)
HSL	hsl(210, 53%, 20%)
HSV	hsv(210, 69%, 31%)
CMYK	cmyk(69.2%, 34.6%, 0%, 69.4%)
CIE-LAB	lab(20.49, -0.40, -19.63)
CIE-LCH	lch(20.49, 19.63, 268.84°)
OKLab	oklab(31.4% -0.0199 -0.0554)
OKLCH	oklch(31.4% 0.059 250.2)
XYZ	xyz(2.9352, 3.1116, 7.6522)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18334E #4E3318

analogous

#184E4E #18334E #18184E

triadic

#18334E #4E1833 #334E18

tetradic

#18334E #4E184E #4E3318 #184E18

square

#18334E #4E184E #4E3318 #184E18

split-complementary

#18334E #4E1818 #4E4E18

monochromatic

#070F17 #0A141F #18334E #26527D #3570AC

Accessibility & contrast

On white

12.94

#18334E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#18334E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18334E

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18334E	#FFFFFF	#000000	##FFFFFF
##18334E	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27344F

Deuteranopia (green-blind)

#202F4D

Tritanopia (blue-blind)

#00393D

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #18334e;
/* rgb */ color: rgb(24, 51, 78);
/* oklch */ color: oklch(31.4% 0.059 250.2);

Tailwind

colors: {
  custom: {
    50: '#5b6a7f',
    500: '#18334e',
    950: '#000000',
  },
}

SCSS

$custom: #18334e;
$custom-light: #5b6a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#18334e",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 78
  },
  "hsl": {
    "h": 210,
    "s": 52.941,
    "l": 20
  },
  "oklch": {
    "l": 0.31398,
    "c": 0.05893,
    "h": 250.2
  },
  "luminance": 0.03112
}

Semantic roles & 50–950 ramp

primary

#18334E

secondary

#85613D

accent

#944BDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #18334E

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

Preview Lab → · Contrast checker → · Palette generator →