#183B46#183B46

#183B46 is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.2% C 0.045 H 221.3°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#183B46
RGB	rgb(24, 59, 70)
HSL	hsl(194, 49%, 18%)
HSV	hsv(194, 66%, 27%)
CMYK	cmyk(65.7%, 15.7%, 0%, 72.5%)
CIE-LAB	lab(22.88, -8.75, -10.57)
CIE-LCH	lch(22.88, 13.72, 230.37°)
OKLab	oklab(33.16% -0.0335 -0.0294)
OKLCH	oklch(33.16% 0.045 221.3)
XYZ	xyz(3.0457, 3.7640, 6.3592)
Luminance	0.0376 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183B46 #462318

analogous

#18463A #183B46 #182446

triadic

#183B46 #46183B #3B4618

tetradic

#183B46 #3A1846 #462318 #244618

square

#183B46 #3A1846 #462318 #244618

split-complementary

#183B46 #461824 #463A18

monochromatic

#081317 #081518 #183B46 #286174 #3788A1

Accessibility & contrast

On white

11.98

#183B46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#183B46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B46

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183B46	#FFFFFF	#000000	##FFFFFF
##183B46	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343947

Deuteranopia (green-blind)

#2E3446

Tritanopia (blue-blind)

#003F3E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183b46;
/* rgb */ color: rgb(24, 59, 70);
/* oklch */ color: oklch(33.2% 0.045 221.3);

Tailwind

colors: {
  custom: {
    50: '#5a7179',
    500: '#183b46',
    950: '#000000',
  },
}

SCSS

$custom: #183b46;
$custom-light: #5a7179;
$custom-dark: #000000;

JSON

{
  "hex": "#183b46",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 70
  },
  "hsl": {
    "h": 194.348,
    "s": 48.936,
    "l": 18.431
  },
  "oklch": {
    "l": 0.33162,
    "c": 0.04456,
    "h": 221.3
  },
  "luminance": 0.03764
}

Semantic roles & 50–950 ramp

primary

#183B46

secondary

#7D4C3D

accent

#704FD8

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #183B46

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

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