#183A46#183A46

#183A46 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.9% C 0.045 H 223.8°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#183A46
RGB	rgb(24, 58, 70)
HSL	hsl(196, 49%, 18%)
HSV	hsv(196, 66%, 27%)
CMYK	cmyk(65.7%, 17.1%, 0%, 72.5%)
CIE-LAB	lab(22.52, -8.12, -11.11)
CIE-LCH	lch(22.52, 13.76, 233.85°)
OKLab	oklab(32.88% -0.0322 -0.0309)
OKLCH	oklch(32.88% 0.045 223.8)
XYZ	xyz(2.9948, 3.6622, 6.3422)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183A46 #462418

analogous

#18463B #183A46 #182346

triadic

#183A46 #46183A #3A4618

tetradic

#183A46 #3B1846 #462418 #234618

square

#183A46 #3B1846 #462418 #234618

split-complementary

#183A46 #461823 #463B18

monochromatic

#081317 #081418 #183A46 #286074 #3786A1

Accessibility & contrast

On white

12.12

#183A46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#183A46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A46

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183A46	#FFFFFF	#000000	##FFFFFF
##183A46	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333947

Deuteranopia (green-blind)

#2D3446

Tritanopia (blue-blind)

#003E3E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183a46;
/* rgb */ color: rgb(24, 58, 70);
/* oklch */ color: oklch(32.9% 0.045 223.8);

Tailwind

colors: {
  custom: {
    50: '#5a7079',
    500: '#183a46',
    950: '#000000',
  },
}

SCSS

$custom: #183a46;
$custom-light: #5a7079;
$custom-dark: #000000;

JSON

{
  "hex": "#183a46",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 70
  },
  "hsl": {
    "h": 195.652,
    "s": 48.936,
    "l": 18.431
  },
  "oklch": {
    "l": 0.32879,
    "c": 0.04462,
    "h": 223.8
  },
  "luminance": 0.03662
}

Semantic roles & 50–950 ramp

primary

#183A46

secondary

#7D4E3D

accent

#734FD8

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #183A46

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

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