#18667B#18667B

#18667B is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.5% C 0.079 H 220.6°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#18667B
RGB	rgb(24, 102, 123)
HSL	hsl(193, 67%, 29%)
HSV	hsv(193, 80%, 48%)
CMYK	cmyk(80.5%, 17.1%, 0%, 51.8%)
CIE-LAB	lab(39.79, -15.13, -18.29)
CIE-LCH	lch(39.79, 23.74, 230.41°)
OKLab	oklab(47.48% -0.0598 -0.0512)
OKLCH	oklch(47.48% 0.079 220.6)
XYZ	xyz(8.7017, 11.1259, 20.4240)
Luminance	0.1113 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18667B #7B2D18

analogous

#187B5F #18667B #18357B

triadic

#18667B #7B1866 #667B18

tetradic

#18667B #5F187B #7B2D18 #357B18

square

#18667B #5F187B #7B2D18 #357B18

split-complementary

#18667B #7B1835 #7B5F18

monochromatic

#05151A #0E3C48 #18667B #2290AE #36B5D8

Accessibility & contrast

On white

6.51

#18667B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#18667B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18667B

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18667B	#FFFFFF	#000000	##FFFFFF
##18667B	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59637C

Deuteranopia (green-blind)

#4C5A7B

Tritanopia (blue-blind)

#006D6D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #18667b;
/* rgb */ color: rgb(24, 102, 123);
/* oklch */ color: oklch(47.5% 0.079 220.6);

Tailwind

colors: {
  custom: {
    50: '#6791a1',
    500: '#18667b',
    950: '#000000',
  },
}

SCSS

$custom: #18667b;
$custom-light: #6791a1;
$custom-dark: #000000;

JSON

{
  "hex": "#18667b",
  "rgb": {
    "r": 24,
    "g": 102,
    "b": 123
  },
  "hsl": {
    "h": 192.727,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.4748,
    "c": 0.07872,
    "h": 220.6
  },
  "luminance": 0.11127
}

Semantic roles & 50–950 ramp

primary

#18667B

secondary

#B0573F

accent

#623EEA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070D0F

muted

#7A7D7E

Preview Lab

Preview with #18667B

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

Preview Lab → · Contrast checker → · Palette generator →