#184E5A#184E5A

#184E5A is a dark, muted cyan. Relative luminance 0.064; OKLCH L 39.4% C 0.059 H 215.4°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#184E5A
RGB	rgb(24, 78, 90)
HSL	hsl(191, 58%, 22%)
HSV	hsv(191, 73%, 35%)
CMYK	cmyk(73.3%, 13.3%, 0%, 64.7%)
CIE-LAB	lab(30.35, -13.13, -12.21)
CIE-LCH	lch(30.35, 17.93, 222.91°)
OKLab	oklab(39.44% -0.0478 -0.034)
OKLCH	oklch(39.44% 0.059 215.4)
XYZ	xyz(4.9458, 6.3806, 10.6418)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E5A #5A2418

analogous

#185A45 #184E5A #182D5A

triadic

#184E5A #5A184E #4E5A18

tetradic

#184E5A #45185A #5A2418 #2D5A18

square

#184E5A #45185A #5A2418 #2D5A18

split-complementary

#184E5A #5A182D #5A4518

monochromatic

#061518 #0B242A #184E5A #25788A #32A2BB

Accessibility & contrast

On white

9.23

#184E5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#184E5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E5A

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E5A	#FFFFFF	#000000	##FFFFFF
##184E5A	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464B5B

Deuteranopia (green-blind)

#3C445A

Tritanopia (blue-blind)

#005252

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #184e5a;
/* rgb */ color: rgb(24, 78, 90);
/* oklch */ color: oklch(39.4% 0.059 215.4);

Tailwind

colors: {
  custom: {
    50: '#5f7f88',
    500: '#184e5a',
    950: '#000000',
  },
}

SCSS

$custom: #184e5a;
$custom-light: #5f7f88;
$custom-dark: #000000;

JSON

{
  "hex": "#184e5a",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 90
  },
  "hsl": {
    "h": 190.909,
    "s": 57.895,
    "l": 22.353
  },
  "oklch": {
    "l": 0.39439,
    "c": 0.05863,
    "h": 215.4
  },
  "luminance": 0.06381
}

Semantic roles & 50–950 ramp

primary

#184E5A

secondary

#914C3D

accent

#6347E1

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #184E5A

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

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