#184E5B#184E5B

#184E5B is a dark, muted cyan. Relative luminance 0.064; OKLCH L 39.5% C 0.059 H 217.0°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#184E5B
RGB	rgb(24, 78, 91)
HSL	hsl(192, 58%, 23%)
HSV	hsv(192, 74%, 36%)
CMYK	cmyk(73.6%, 14.3%, 0%, 64.3%)
CIE-LAB	lab(30.39, -12.77, -12.78)
CIE-LCH	lch(30.39, 18.07, 225.02°)
OKLab	oklab(39.49% -0.0473 -0.0356)
OKLCH	oklch(39.49% 0.059 217)
XYZ	xyz(4.9886, 6.3977, 10.8675)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E5B #5B2518

analogous

#185B47 #184E5B #182C5B

triadic

#184E5B #5B184E #4E5B18

tetradic

#184E5B #47185B #5B2518 #2C5B18

square

#184E5B #47185B #5B2518 #2C5B18

split-complementary

#184E5B #5B182C #5B4718

monochromatic

#061518 #0B242B #184E5B #25788B #32A1BC

Accessibility & contrast

On white

9.21

#184E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#184E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E5B

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E5B	#FFFFFF	#000000	##FFFFFF
##184E5B	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454C5C

Deuteranopia (green-blind)

#3C455B

Tritanopia (blue-blind)

#005352

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #184e5b;
/* rgb */ color: rgb(24, 78, 91);
/* oklch */ color: oklch(39.5% 0.059 217.0);

Tailwind

colors: {
  custom: {
    50: '#5f7f89',
    500: '#184e5b',
    950: '#000000',
  },
}

SCSS

$custom: #184e5b;
$custom-light: #5f7f89;
$custom-dark: #000000;

JSON

{
  "hex": "#184e5b",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 91
  },
  "hsl": {
    "h": 191.642,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.39487,
    "c": 0.05923,
    "h": 217
  },
  "luminance": 0.06398
}

Semantic roles & 50–950 ramp

primary

#184E5B

secondary

#924E3D

accent

#6446E1

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #184E5B

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

Preview Lab → · Contrast checker → · Palette generator →