#18488B#18488B

#18488B is a dark, vivid cyan. Relative luminance 0.067; OKLCH L 40.9% C 0.123 H 257.8°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#18488B
RGB	rgb(24, 72, 139)
HSL	hsl(215, 71%, 32%)
HSV	hsv(215, 83%, 55%)
CMYK	cmyk(82.7%, 48.2%, 0%, 45.5%)
CIE-LAB	lab(31.10, 10.05, -41.80)
CIE-LCH	lch(31.10, 42.99, 283.51°)
OKLab	oklab(40.9% -0.026 -0.1201)
OKLCH	oklch(40.9% 0.123 257.8)
XYZ	xyz(7.3525, 6.6921, 25.3253)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18488B #8B5B18

analogous

#18818B #18488B #22188B

triadic

#18488B #8B1848 #488B18

tetradic

#18488B #8B1881 #8B5B18 #188B22

square

#18488B #8B1881 #8B5B18 #188B22

split-complementary

#18488B #8B2218 #818B18

monochromatic

#061223 #0F2D57 #18488B #2163BF #3F82DE

Accessibility & contrast

On white

8.98

#18488B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#18488B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18488B

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18488B	#FFFFFF	#000000	##FFFFFF
##18488B	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234F8E

Deuteranopia (green-blind)

#01448A

Tritanopia (blue-blind)

#005862

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #18488b;
/* rgb */ color: rgb(24, 72, 139);
/* oklch */ color: oklch(40.9% 0.123 257.8);

Tailwind

colors: {
  custom: {
    50: '#697aad',
    500: '#18488b',
    950: '#000000',
  },
}

SCSS

$custom: #18488b;
$custom-light: #697aad;
$custom-dark: #000000;

JSON

{
  "hex": "#18488b",
  "rgb": {
    "r": 24,
    "g": 72,
    "b": 139
  },
  "hsl": {
    "h": 214.957,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.409,
    "c": 0.12286,
    "h": 257.8
  },
  "luminance": 0.06693
}

Semantic roles & 50–950 ramp

primary

#18488B

secondary

#BE8A40

accent

#A33AED

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070910

muted

#7A7B7F

Preview Lab

Preview with #18488B

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

Preview Lab → · Contrast checker → · Palette generator →