#18505B#18505B

#18505B is a dark, muted teal. Relative luminance 0.067; OKLCH L 40.0% C 0.059 H 213.3°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#18505B
RGB	rgb(24, 80, 91)
HSL	hsl(190, 58%, 23%)
HSV	hsv(190, 74%, 36%)
CMYK	cmyk(73.6%, 12.1%, 0%, 64.3%)
CIE-LAB	lab(31.08, -13.95, -11.73)
CIE-LCH	lch(31.08, 18.23, 220.08°)
OKLab	oklab(40.04% -0.0497 -0.0326)
OKLCH	oklch(40.04% 0.059 213.3)
XYZ	xyz(5.1329, 6.6863, 10.9156)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18505B #5B2318

analogous

#185B45 #18505B #182E5B

triadic

#18505B #5B1850 #505B18

tetradic

#18505B #45185B #5B2318 #2E5B18

square

#18505B #45185B #5B2318 #2E5B18

split-complementary

#18505B #5B182E #5B4518

monochromatic

#061518 #0B252B #18505B #257B8B #32A5BC

Accessibility & contrast

On white

8.98

#18505B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#18505B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18505B

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18505B	#FFFFFF	#000000	##FFFFFF
##18505B	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484D5C

Deuteranopia (green-blind)

#3E465B

Tritanopia (blue-blind)

#005453

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #18505b;
/* rgb */ color: rgb(24, 80, 91);
/* oklch */ color: oklch(40.0% 0.059 213.3);

Tailwind

colors: {
  custom: {
    50: '#5f8189',
    500: '#18505b',
    950: '#000000',
  },
}

SCSS

$custom: #18505b;
$custom-light: #5f8189;
$custom-dark: #000000;

JSON

{
  "hex": "#18505b",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 91
  },
  "hsl": {
    "h": 189.851,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.40039,
    "c": 0.05943,
    "h": 213.3
  },
  "luminance": 0.06687
}

Semantic roles & 50–950 ramp

primary

#18505B

secondary

#924B3D

accent

#6046E1

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #18505B

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

Preview Lab → · Contrast checker → · Palette generator →