#18436D#18436D

#18436D is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.6% C 0.086 H 250.8°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#18436D
RGB	rgb(24, 67, 109)
HSL	hsl(210, 64%, 26%)
HSV	hsv(210, 78%, 43%)
CMYK	cmyk(78%, 38.5%, 0%, 57.3%)
CIE-LAB	lab(27.61, 1.16, -28.61)
CIE-LCH	lch(27.61, 28.64, 272.33°)
OKLab	oklab(37.57% -0.0283 -0.0814)
OKLCH	oklch(37.57% 0.086 250.8)
XYZ	xyz(5.1431, 5.3120, 15.2193)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18436D #6D4218

analogous

#186D6C #18436D #18186D

triadic

#18436D #6D1843 #436D18

tetradic

#18436D #6C186D #6D4218 #186D18

square

#18436D #6C186D #6D4218 #186D18

split-complementary

#18436D #6D1818 #6D6C18

monochromatic

#060F19 #0D243B #18436D #23629F #2E81D1

Accessibility & contrast

On white

10.18

#18436D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#18436D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18436D

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18436D	#FFFFFF	#000000	##FFFFFF
##18436D	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30456F

Deuteranopia (green-blind)

#233E6C

Tritanopia (blue-blind)

#004D52

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18436d;
/* rgb */ color: rgb(24, 67, 109);
/* oklch */ color: oklch(37.6% 0.086 250.8);

Tailwind

colors: {
  custom: {
    50: '#627697',
    500: '#18436d',
    950: '#000000',
  },
}

SCSS

$custom: #18436d;
$custom-light: #627697;
$custom-dark: #000000;

JSON

{
  "hex": "#18436d",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 109
  },
  "hsl": {
    "h": 209.647,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.37568,
    "c": 0.08624,
    "h": 250.8
  },
  "luminance": 0.05313
}

Semantic roles & 50–950 ramp

primary

#18436D

secondary

#A3703E

accent

#9341E7

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #18436D

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

Preview Lab → · Contrast checker → · Palette generator →