#184D5B#184D5B

#184D5B is a dark, muted cyan. Relative luminance 0.063; OKLCH L 39.2% C 0.059 H 218.8°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#184D5B
RGB	rgb(24, 77, 91)
HSL	hsl(193, 58%, 23%)
HSV	hsv(193, 74%, 36%)
CMYK	cmyk(73.6%, 15.4%, 0%, 64.3%)
CIE-LAB	lab(30.05, -12.18, -13.31)
CIE-LCH	lch(30.05, 18.04, 227.54°)
OKLab	oklab(39.21% -0.0462 -0.0371)
OKLCH	oklch(39.21% 0.059 218.8)
XYZ	xyz(4.9181, 6.2567, 10.8440)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184D5B #5B2618

analogous

#185B47 #184D5B #182C5B

triadic

#184D5B #5B184D #4D5B18

tetradic

#184D5B #47185B #5B2618 #2C5B18

square

#184D5B #47185B #5B2618 #2C5B18

split-complementary

#184D5B #5B182C #5B4718

monochromatic

#061418 #0B242B #184D5B #25768B #329FBC

Accessibility & contrast

On white

9.33

#184D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#184D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D5B

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184D5B	#FFFFFF	#000000	##FFFFFF
##184D5B	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444B5C

Deuteranopia (green-blind)

#3B445B

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #184d5b;
/* rgb */ color: rgb(24, 77, 91);
/* oklch */ color: oklch(39.2% 0.059 218.8);

Tailwind

colors: {
  custom: {
    50: '#5f7f89',
    500: '#184d5b',
    950: '#000000',
  },
}

SCSS

$custom: #184d5b;
$custom-light: #5f7f89;
$custom-dark: #000000;

JSON

{
  "hex": "#184d5b",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 91
  },
  "hsl": {
    "h": 192.537,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.39211,
    "c": 0.05922,
    "h": 218.8
  },
  "luminance": 0.06257
}

Semantic roles & 50–950 ramp

primary

#184D5B

secondary

#924F3D

accent

#6746E1

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #184D5B

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

Preview Lab → · Contrast checker → · Palette generator →