#18509E#18509E

#18509E is a dark, vivid cyan. Relative luminance 0.084; OKLCH L 44.2% C 0.139 H 258.0°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#18509E
RGB	rgb(24, 80, 158)
HSL	hsl(215, 74%, 36%)
HSV	hsv(215, 85%, 62%)
CMYK	cmyk(84.8%, 49.4%, 0%, 38%)
CIE-LAB	lab(34.80, 12.38, -47.39)
CIE-LCH	lch(34.80, 48.98, 284.64°)
OKLab	oklab(44.17% -0.029 -0.1363)
OKLCH	oklch(44.17% 0.139 258)
XYZ	xyz(9.4146, 8.3990, 33.4661)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18509E #9E6618

analogous

#18939E #18509E #23189E

triadic

#18509E #9E1850 #509E18

tetradic

#18509E #9E1893 #9E6618 #189E23

square

#18509E #9E1893 #9E6618 #189E23

split-complementary

#18509E #9E2318 #939E18

monochromatic

#081A34 #103569 #18509E #206BD3 #4D8CE4

Accessibility & contrast

On white

7.84

#18509E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#18509E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18509E

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18509E	#FFFFFF	#000000	##FFFFFF
##18509E	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2258A1

Deuteranopia (green-blind)

#004C9C

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #18509e;
/* rgb */ color: rgb(24, 80, 158);
/* oklch */ color: oklch(44.2% 0.139 258.0);

Tailwind

colors: {
  custom: {
    50: '#6e80bb',
    500: '#18509e',
    950: '#000000',
  },
}

SCSS

$custom: #18509e;
$custom-light: #6e80bb;
$custom-dark: #000000;

JSON

{
  "hex": "#18509e",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 158
  },
  "hsl": {
    "h": 214.925,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.44172,
    "c": 0.13941,
    "h": 258
  },
  "luminance": 0.084
}

Semantic roles & 50–950 ramp

primary

#18509E

secondary

#C6934C

accent

#A338F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #18509E

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

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