#182E40#182E40

#182E40 is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.2% C 0.043 H 244.7°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#182E40
RGB	rgb(24, 46, 64)
HSL	hsl(207, 45%, 17%)
HSV	hsv(207, 63%, 25%)
CMYK	cmyk(62.5%, 28.1%, 0%, 74.9%)
CIE-LAB	lab(18.00, -2.38, -14.01)
CIE-LCH	lch(18.00, 14.21, 260.36°)
OKLab	oklab(29.19% -0.0185 -0.0392)
OKLCH	oklch(29.19% 0.043 244.7)
XYZ	xyz(2.2788, 2.5182, 5.2155)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E40 #402A18

analogous

#18403E #182E40 #181A40

triadic

#182E40 #40182E #2E4018

tetradic

#182E40 #3E1840 #402A18 #1A4018

square

#182E40 #3E1840 #402A18 #1A4018

split-complementary

#182E40 #40181A #403E18

monochromatic

#081016 #081016 #182E40 #294E6D #396E99

Accessibility & contrast

On white

13.97

#182E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#182E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E40

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E40	#FFFFFF	#000000	##FFFFFF
##182E40	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262E41

Deuteranopia (green-blind)

#212A40

Tritanopia (blue-blind)

#013234

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182e40;
/* rgb */ color: rgb(24, 46, 64);
/* oklch */ color: oklch(29.2% 0.043 244.7);

Tailwind

colors: {
  custom: {
    50: '#586675',
    500: '#182e40',
    950: '#000000',
  },
}

SCSS

$custom: #182e40;
$custom-light: #586675;
$custom-dark: #000000;

JSON

{
  "hex": "#182e40",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 64
  },
  "hsl": {
    "h": 207,
    "s": 45.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.29194,
    "c": 0.04338,
    "h": 244.7
  },
  "luminance": 0.02518
}

Semantic roles & 50–950 ramp

primary

#182E40

secondary

#77573D

accent

#8D53D5

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #182E40

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

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