#18487F#18487F

#18487F is a dark, moderate cyan. Relative luminance 0.064; OKLCH L 40.0% C 0.106 H 254.4°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#18487F
RGB	rgb(24, 72, 127)
HSL	hsl(212, 68%, 30%)
HSV	hsv(212, 81%, 50%)
CMYK	cmyk(81.1%, 43.3%, 0%, 50.2%)
CIE-LAB	lab(30.30, 5.13, -35.64)
CIE-LCH	lch(30.30, 36.01, 278.19°)
OKLab	oklab(40.03% -0.0285 -0.102)
OKLCH	oklch(40.03% 0.106 254.4)
XYZ	xyz(6.5234, 6.3605, 20.9584)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18487F #7F4F18

analogous

#187C7F #18487F #1C187F

triadic

#18487F #7F1848 #487F18

tetradic

#18487F #7F187C #7F4F18 #187F1C

square

#18487F #7F187C #7F4F18 #187F1C

split-complementary

#18487F #7F1C18 #7C7F18

monochromatic

#050F1A #0E2B4C #18487F #2265B2 #3883D9

Accessibility & contrast

On white

9.24

#18487F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#18487F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18487F

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18487F	#FFFFFF	#000000	##FFFFFF
##18487F	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4C81

Deuteranopia (green-blind)

#1B437E

Tritanopia (blue-blind)

#00555D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18487f;
/* rgb */ color: rgb(24, 72, 127);
/* oklch */ color: oklch(40.0% 0.106 254.4);

Tailwind

colors: {
  custom: {
    50: '#667aa4',
    500: '#18487f',
    950: '#000000',
  },
}

SCSS

$custom: #18487f;
$custom-light: #667aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#18487f",
  "rgb": {
    "r": 24,
    "g": 72,
    "b": 127
  },
  "hsl": {
    "h": 212.039,
    "s": 68.212,
    "l": 29.608
  },
  "oklch": {
    "l": 0.40032,
    "c": 0.10588,
    "h": 254.4
  },
  "luminance": 0.06361
}

Semantic roles & 50–950 ramp

primary

#18487F

secondary

#B37D3F

accent

#9A3DEB

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #18487F

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

Preview Lab → · Contrast checker → · Palette generator →