#18495E#18495E

#18495E is a dark, moderate cyan. Relative luminance 0.058; OKLCH L 38.3% C 0.063 H 230.1°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#18495E
RGB	rgb(24, 73, 94)
HSL	hsl(198, 59%, 23%)
HSV	hsv(198, 74%, 37%)
CMYK	cmyk(74.5%, 22.3%, 0%, 63.1%)
CIE-LAB	lab(28.82, -8.63, -17.13)
CIE-LCH	lch(28.82, 19.18, 243.25°)
OKLab	oklab(38.27% -0.0402 -0.048)
OKLCH	oklch(38.27% 0.063 230.1)
XYZ	xyz(4.7788, 5.7669, 11.4488)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18495E #5E2D18

analogous

#185E50 #18495E #18265E

triadic

#18495E #5E1849 #495E18

tetradic

#18495E #50185E #5E2D18 #265E18

square

#18495E #50185E #5E2D18 #265E18

split-complementary

#18495E #5E1826 #5E5018

monochromatic

#061318 #0C232D #18495E #246F8F #3195C0

Accessibility & contrast

On white

9.75

#18495E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#18495E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18495E

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18495E	#FFFFFF	#000000	##FFFFFF
##18495E	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E485F

Deuteranopia (green-blind)

#35415E

Tritanopia (blue-blind)

#004F50

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #18495e;
/* rgb */ color: rgb(24, 73, 94);
/* oklch */ color: oklch(38.3% 0.063 230.1);

Tailwind

colors: {
  custom: {
    50: '#5f7b8b',
    500: '#18495e',
    950: '#000000',
  },
}

SCSS

$custom: #18495e;
$custom-light: #5f7b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#18495e",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 94
  },
  "hsl": {
    "h": 198,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.38267,
    "c": 0.06264,
    "h": 230.1
  },
  "luminance": 0.05767
}

Semantic roles & 50–950 ramp

primary

#18495E

secondary

#94573D

accent

#7445E3

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #18495E

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

Preview Lab → · Contrast checker → · Palette generator →