#18495B#18495B

#18495B is a dark, muted cyan. Relative luminance 0.057; OKLCH L 38.1% C 0.060 H 226.1°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#18495B
RGB	rgb(24, 73, 91)
HSL	hsl(196, 58%, 23%)
HSV	hsv(196, 74%, 36%)
CMYK	cmyk(73.6%, 19.8%, 0%, 64.3%)
CIE-LAB	lab(28.68, -9.76, -15.41)
CIE-LCH	lch(28.68, 18.24, 237.67°)
OKLab	oklab(38.11% -0.0415 -0.0431)
OKLCH	oklch(38.11% 0.06 226.1)
XYZ	xyz(4.6468, 5.7141, 10.7535)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18495B #5B2A18

analogous

#185B4B #18495B #18285B

triadic

#18495B #5B1849 #495B18

tetradic

#18495B #4B185B #5B2A18 #285B18

square

#18495B #4B185B #5B2A18 #285B18

split-complementary

#18495B #5B1828 #5B4B18

monochromatic

#061318 #0B222B #18495B #25708B #3297BC

Accessibility & contrast

On white

9.80

#18495B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#18495B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18495B

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18495B	#FFFFFF	#000000	##FFFFFF
##18495B	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F475C

Deuteranopia (green-blind)

#36415B

Tritanopia (blue-blind)

#004E4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #18495b;
/* rgb */ color: rgb(24, 73, 91);
/* oklch */ color: oklch(38.1% 0.060 226.1);

Tailwind

colors: {
  custom: {
    50: '#5f7b89',
    500: '#18495b',
    950: '#000000',
  },
}

SCSS

$custom: #18495b;
$custom-light: #5f7b89;
$custom-dark: #000000;

JSON

{
  "hex": "#18495b",
  "rgb": {
    "r": 24,
    "g": 73,
    "b": 91
  },
  "hsl": {
    "h": 196.119,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.38112,
    "c": 0.05983,
    "h": 226.1
  },
  "luminance": 0.05715
}

Semantic roles & 50–950 ramp

primary

#18495B

secondary

#92543D

accent

#7046E1

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #18495B

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

Preview Lab → · Contrast checker → · Palette generator →