#18487D#18487D

#18487D is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.9% C 0.103 H 253.7°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#18487D
RGB	rgb(24, 72, 125)
HSL	hsl(211, 68%, 29%)
HSV	hsv(211, 81%, 49%)
CMYK	cmyk(80.8%, 42.4%, 0%, 51%)
CIE-LAB	lab(30.18, 4.31, -34.60)
CIE-LCH	lch(30.18, 34.86, 277.10°)
OKLab	oklab(39.89% -0.029 -0.0989)
OKLCH	oklch(39.89% 0.103 253.7)
XYZ	xyz(6.3943, 6.3088, 20.2788)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18487D #7D4D18

analogous

#187B7D #18487D #1B187D

triadic

#18487D #7D1848 #487D18

tetradic

#18487D #7D187B #7D4D18 #187D1B

square

#18487D #7D187B #7D4D18 #187D1B

split-complementary

#18487D #7D1B18 #7B7D18

monochromatic

#050F1A #0E2A4A #18487D #2266B0 #3784D9

Accessibility & contrast

On white

9.28

#18487D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#18487D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18487D

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18487D	#FFFFFF	#000000	##FFFFFF
##18487D	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4C7F

Deuteranopia (green-blind)

#1D437C

Tritanopia (blue-blind)

#00555C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18487d;
/* rgb */ color: rgb(24, 72, 125);
/* oklch */ color: oklch(39.9% 0.103 253.7);

Tailwind

colors: {
  custom: {
    50: '#667aa3',
    500: '#18487d',
    950: '#000000',
  },
}

SCSS

$custom: #18487d;
$custom-light: #667aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#18487d",
  "rgb": {
    "r": 24,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 211.485,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.39894,
    "c": 0.10307,
    "h": 253.7
  },
  "luminance": 0.0631
}

Semantic roles & 50–950 ramp

primary

#18487D

secondary

#B27B3F

accent

#983DEB

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #18487D

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

Preview Lab → · Contrast checker → · Palette generator →