#18528F#18528F

#18528F is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.6% C 0.116 H 253.2°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#18528F
RGB	rgb(24, 82, 143)
HSL	hsl(211, 71%, 33%)
HSV	hsv(211, 83%, 56%)
CMYK	cmyk(83.2%, 42.7%, 0%, 43.9%)
CIE-LAB	lab(34.42, 4.95, -38.92)
CIE-LCH	lch(34.42, 39.23, 277.25°)
OKLab	oklab(43.56% -0.0336 -0.1114)
OKLCH	oklch(43.56% 0.116 253.2)
XYZ	xyz(8.3500, 8.2109, 27.1261)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18528F #8F5518

analogous

#188D8F #18528F #19188F

triadic

#18528F #8F1852 #528F18

tetradic

#18528F #8F188D #8F5518 #188F19

square

#18528F #8F188D #8F5518 #188F19

split-complementary

#18528F #8F1918 #8D8F18

monochromatic

#061626 #0F345B #18528F #2170C3 #428FDF

Accessibility & contrast

On white

7.95

#18528F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#18528F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18528F

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18528F	#FFFFFF	#000000	##FFFFFF
##18528F	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345791

Deuteranopia (green-blind)

#1F4C8E

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #18528f;
/* rgb */ color: rgb(24, 82, 143);
/* oklch */ color: oklch(43.6% 0.116 253.2);

Tailwind

colors: {
  custom: {
    50: '#6a82b0',
    500: '#18528f',
    950: '#000000',
  },
}

SCSS

$custom: #18528f;
$custom-light: #6a82b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18528f",
  "rgb": {
    "r": 24,
    "g": 82,
    "b": 143
  },
  "hsl": {
    "h": 210.756,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.43559,
    "c": 0.11637,
    "h": 253.2
  },
  "luminance": 0.08212
}

Semantic roles & 50–950 ramp

primary

#18528F

secondary

#C08343

accent

#963AEE

background

#F6F7FA

surface

#ECEEF5

border

#C7C9CF

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #18528F

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

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