#184D59#184D59

#184D59 is a dark, muted cyan. Relative luminance 0.062; OKLCH L 39.1% C 0.058 H 215.7°. Best body text is #FFFFFF at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#184D59
RGB	rgb(24, 77, 89)
HSL	hsl(191, 58%, 22%)
HSV	hsv(191, 73%, 35%)
CMYK	cmyk(73%, 13.5%, 0%, 65.1%)
CIE-LAB	lab(29.97, -12.90, -12.16)
CIE-LCH	lch(29.97, 17.72, 223.30°)
OKLab	oklab(39.12% -0.0471 -0.0338)
OKLCH	oklch(39.12% 0.058 215.7)
XYZ	xyz(4.8330, 6.2227, 10.3956)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184D59 #592418

analogous

#185945 #184D59 #182D59

triadic

#184D59 #59184D #4D5918

tetradic

#184D59 #451859 #592418 #2D5918

square

#184D59 #451859 #592418 #2D5918

split-complementary

#184D59 #59182D #594518

monochromatic

#061518 #0B2329 #184D59 #257789 #32A0B9

Accessibility & contrast

On white

9.36

#184D59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#184D59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184D59

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184D59	#FFFFFF	#000000	##FFFFFF
##184D59	1.00	9.36	2.24	9.36
#FFFFFF	9.36	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454A5A

Deuteranopia (green-blind)

#3B4459

Tritanopia (blue-blind)

#005151

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #184d59;
/* rgb */ color: rgb(24, 77, 89);
/* oklch */ color: oklch(39.1% 0.058 215.7);

Tailwind

colors: {
  custom: {
    50: '#5f7f88',
    500: '#184d59',
    950: '#000000',
  },
}

SCSS

$custom: #184d59;
$custom-light: #5f7f88;
$custom-dark: #000000;

JSON

{
  "hex": "#184d59",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 89
  },
  "hsl": {
    "h": 191.077,
    "s": 57.522,
    "l": 22.157
  },
  "oklch": {
    "l": 0.39116,
    "c": 0.05796,
    "h": 215.7
  },
  "luminance": 0.06223
}

Semantic roles & 50–950 ramp

primary

#184D59

secondary

#904C3D

accent

#6347E1

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #184D59

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

Preview Lab → · Contrast checker → · Palette generator →