#18508F#18508F

#18508F is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 43.1% C 0.119 H 254.4°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#18508F
RGB	rgb(24, 80, 143)
HSL	hsl(212, 71%, 33%)
HSV	hsv(212, 83%, 56%)
CMYK	cmyk(83.2%, 44.1%, 0%, 43.9%)
CIE-LAB	lab(33.80, 6.28, -39.90)
CIE-LCH	lch(33.80, 40.39, 278.94°)
OKLab	oklab(43.08% -0.0319 -0.1143)
OKLCH	oklch(43.08% 0.119 254.4)
XYZ	xyz(8.2014, 7.9137, 27.0765)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18508F #8F5718

analogous

#188B8F #18508F #1C188F

triadic

#18508F #8F1850 #508F18

tetradic

#18508F #8F188B #8F5718 #188F1C

square

#18508F #8F188B #8F5718 #188F1C

split-complementary

#18508F #8F1C18 #8B8F18

monochromatic

#061526 #0F335B #18508F #216DC3 #428CDF

Accessibility & contrast

On white

8.13

#18508F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#18508F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18508F

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18508F	#FFFFFF	#000000	##FFFFFF
##18508F	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305591

Deuteranopia (green-blind)

#194B8E

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #18508f;
/* rgb */ color: rgb(24, 80, 143);
/* oklch */ color: oklch(43.1% 0.119 254.4);

Tailwind

colors: {
  custom: {
    50: '#6a80b0',
    500: '#18508f',
    950: '#000000',
  },
}

SCSS

$custom: #18508f;
$custom-light: #6a80b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18508f",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 143
  },
  "hsl": {
    "h": 211.765,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.4308,
    "c": 0.11871,
    "h": 254.4
  },
  "luminance": 0.07915
}

Semantic roles & 50–950 ramp

primary

#18508F

secondary

#C08543

accent

#993AEE

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #18508F

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

Preview Lab → · Contrast checker → · Palette generator →