#18508E#18508E

#18508E is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 43.0% C 0.117 H 254.1°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#18508E
RGB	rgb(24, 80, 142)
HSL	hsl(212, 71%, 33%)
HSV	hsv(212, 83%, 56%)
CMYK	cmyk(83.1%, 43.7%, 0%, 44.3%)
CIE-LAB	lab(33.74, 5.87, -39.39)
CIE-LCH	lch(33.74, 39.83, 278.48°)
OKLab	oklab(43.01% -0.0321 -0.1128)
OKLCH	oklch(43.01% 0.117 254.1)
XYZ	xyz(8.1260, 7.8835, 26.6793)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18508E #8E5618

analogous

#188B8E #18508E #1B188E

triadic

#18508E #8E1850 #508E18

tetradic

#18508E #8E188B #8E5618 #188E1B

square

#18508E #8E188B #8E5618 #188E1B

split-complementary

#18508E #8E1B18 #8B8E18

monochromatic

#061525 #0F335A #18508E #216DC2 #418CDF

Accessibility & contrast

On white

8.15

#18508E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#18508E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18508E

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18508E	#FFFFFF	#000000	##FFFFFF
##18508E	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315590

Deuteranopia (green-blind)

#1B4A8D

Tritanopia (blue-blind)

#005F68

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #18508e;
/* rgb */ color: rgb(24, 80, 142);
/* oklch */ color: oklch(43.0% 0.117 254.1);

Tailwind

colors: {
  custom: {
    50: '#6a80af',
    500: '#18508e',
    950: '#000000',
  },
}

SCSS

$custom: #18508e;
$custom-light: #6a80af;
$custom-dark: #000000;

JSON

{
  "hex": "#18508e",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 142
  },
  "hsl": {
    "h": 211.525,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4301,
    "c": 0.11733,
    "h": 254.1
  },
  "luminance": 0.07885
}

Semantic roles & 50–950 ramp

primary

#18508E

secondary

#C08442

accent

#983AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #18508E

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

Preview Lab → · Contrast checker → · Palette generator →