#18586D#18586D

#18586D is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.1% C 0.071 H 224.4°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#18586D
RGB	rgb(24, 88, 109)
HSL	hsl(195, 64%, 26%)
HSV	hsv(195, 78%, 43%)
CMYK	cmyk(78%, 19.3%, 0%, 57.3%)
CIE-LAB	lab(34.55, -12.12, -17.75)
CIE-LCH	lch(34.55, 21.49, 235.66°)
OKLab	oklab(43.08% -0.0508 -0.0497)
OKLCH	oklch(43.08% 0.071 224.4)
XYZ	xyz(6.6256, 8.2770, 15.7135)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18586D #6D2D18

analogous

#186D57 #18586D #182D6D

triadic

#18586D #6D1858 #586D18

tetradic

#18586D #57186D #6D2D18 #2D6D18

square

#18586D #57186D #6D2D18 #2D6D18

split-complementary

#18586D #6D182D #6D5718

monochromatic

#061419 #0D303B #18586D #23809F #2EA9D1

Accessibility & contrast

On white

7.91

#18586D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#18586D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18586D

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18586D	#FFFFFF	#000000	##FFFFFF
##18586D	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C566E

Deuteranopia (green-blind)

#414E6D

Tritanopia (blue-blind)

#005E5F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #18586d;
/* rgb */ color: rgb(24, 88, 109);
/* oklch */ color: oklch(43.1% 0.071 224.4);

Tailwind

colors: {
  custom: {
    50: '#638797',
    500: '#18586d',
    950: '#000000',
  },
}

SCSS

$custom: #18586d;
$custom-light: #638797;
$custom-dark: #000000;

JSON

{
  "hex": "#18586d",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 109
  },
  "hsl": {
    "h": 194.824,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.43078,
    "c": 0.07103,
    "h": 224.4
  },
  "luminance": 0.08278
}

Semantic roles & 50–950 ramp

primary

#18586D

secondary

#A3573E

accent

#6A41E7

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #18586D

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

Preview Lab → · Contrast checker → · Palette generator →