#18657A#18657A

#18657A is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.2% C 0.078 H 220.8°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#18657A
RGB	rgb(24, 101, 122)
HSL	hsl(193, 67%, 29%)
HSV	hsv(193, 80%, 48%)
CMYK	cmyk(80.3%, 17.2%, 0%, 52.2%)
CIE-LAB	lab(39.42, -14.92, -18.26)
CIE-LCH	lch(39.42, 23.58, 230.74°)
OKLab	oklab(47.17% -0.0592 -0.0511)
OKLCH	oklch(47.17% 0.078 220.8)
XYZ	xyz(8.5417, 10.9056, 20.0634)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18657A #7A2D18

analogous

#187A5E #18657A #18347A

triadic

#18657A #7A1865 #657A18

tetradic

#18657A #5E187A #7A2D18 #347A18

square

#18657A #5E187A #7A2D18 #347A18

split-complementary

#18657A #7A1834 #7A5E18

monochromatic

#05151A #0E3B47 #18657A #228FAD #35B5D7

Accessibility & contrast

On white

6.60

#18657A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#18657A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18657A

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18657A	#FFFFFF	#000000	##FFFFFF
##18657A	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58627B

Deuteranopia (green-blind)

#4B597A

Tritanopia (blue-blind)

#006C6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #18657a;
/* rgb */ color: rgb(24, 101, 122);
/* oklch */ color: oklch(47.2% 0.078 220.8);

Tailwind

colors: {
  custom: {
    50: '#6691a0',
    500: '#18657a',
    950: '#000000',
  },
}

SCSS

$custom: #18657a;
$custom-light: #6691a0;
$custom-dark: #000000;

JSON

{
  "hex": "#18657a",
  "rgb": {
    "r": 24,
    "g": 101,
    "b": 122
  },
  "hsl": {
    "h": 192.857,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.47169,
    "c": 0.07817,
    "h": 220.8
  },
  "luminance": 0.10907
}

Semantic roles & 50–950 ramp

primary

#18657A

secondary

#AF573F

accent

#633EEA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #18657A

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

Preview Lab → · Contrast checker → · Palette generator →