#18393F#18393F

#18393F is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.3% C 0.040 H 210.9°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#18393F
RGB	rgb(24, 57, 63)
HSL	hsl(189, 45%, 17%)
HSV	hsv(189, 62%, 25%)
CMYK	cmyk(61.9%, 9.5%, 0%, 75.3%)
CIE-LAB	lab(21.87, -9.98, -7.41)
CIE-LCH	lch(21.87, 12.43, 216.59°)
OKLab	oklab(32.26% -0.0342 -0.0205)
OKLCH	oklch(32.26% 0.04 210.9)
XYZ	xyz(2.7367, 3.4791, 5.2290)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18393F #3F1E18

analogous

#183F32 #18393F #18263F

triadic

#18393F #3F1839 #393F18

tetradic

#18393F #32183F #3F1E18 #263F18

square

#18393F #32183F #3F1E18 #263F18

split-complementary

#18393F #3F1826 #3F3218

monochromatic

#081416 #081416 #18393F #29616B #3A8998

Accessibility & contrast

On white

12.38

#18393F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#18393F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18393F

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18393F	#FFFFFF	#000000	##FFFFFF
##18393F	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34373F

Deuteranopia (green-blind)

#2E323F

Tritanopia (blue-blind)

#003C3B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #18393f;
/* rgb */ color: rgb(24, 57, 63);
/* oklch */ color: oklch(32.3% 0.040 210.9);

Tailwind

colors: {
  custom: {
    50: '#596f74',
    500: '#18393f',
    950: '#000000',
  },
}

SCSS

$custom: #18393f;
$custom-light: #596f74;
$custom-dark: #000000;

JSON

{
  "hex": "#18393f",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 63
  },
  "hsl": {
    "h": 189.231,
    "s": 44.828,
    "l": 17.059
  },
  "oklch": {
    "l": 0.32258,
    "c": 0.03984,
    "h": 210.9
  },
  "luminance": 0.03479
}

Semantic roles & 50–950 ramp

primary

#18393F

secondary

#75463D

accent

#6753D5

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040708

muted

#797A7B

Preview Lab

Preview with #18393F

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

Preview Lab → · Contrast checker → · Palette generator →