#184E63#184E63

#184E63 is a dark, moderate cyan. Relative luminance 0.065; OKLCH L 39.9% C 0.065 H 227.9°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#184E63
RGB	rgb(24, 78, 99)
HSL	hsl(197, 61%, 24%)
HSV	hsv(197, 76%, 39%)
CMYK	cmyk(75.8%, 21.2%, 0%, 61.2%)
CIE-LAB	lab(30.74, -9.83, -17.34)
CIE-LCH	lch(30.74, 19.93, 240.44°)
OKLab	oklab(39.88% -0.0438 -0.0486)
OKLCH	oklch(39.88% 0.065 227.9)
XYZ	xyz(5.3523, 6.5432, 12.7828)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E63 #632D18

analogous

#186353 #184E63 #182963

triadic

#184E63 #63184E #4E6318

tetradic

#184E63 #531863 #632D18 #296318

square

#184E63 #531863 #632D18 #296318

split-complementary

#184E63 #631829 #635318

monochromatic

#061319 #0C2732 #184E63 #247594 #309CC6

Accessibility & contrast

On white

9.10

#184E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#184E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E63

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E63	#FFFFFF	#000000	##FFFFFF
##184E63	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434D64

Deuteranopia (green-blind)

#394563

Tritanopia (blue-blind)

#005455

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #184e63;
/* rgb */ color: rgb(24, 78, 99);
/* oklch */ color: oklch(39.9% 0.065 227.9);

Tailwind

colors: {
  custom: {
    50: '#607f8f',
    500: '#184e63',
    950: '#000000',
  },
}

SCSS

$custom: #184e63;
$custom-light: #607f8f;
$custom-dark: #000000;

JSON

{
  "hex": "#184e63",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 99
  },
  "hsl": {
    "h": 196.8,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.39882,
    "c": 0.06545,
    "h": 227.9
  },
  "luminance": 0.06544
}

Semantic roles & 50–950 ramp

primary

#184E63

secondary

#99573E

accent

#7144E4

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#050A0C

muted

#7A7C7D

Preview Lab

Preview with #184E63

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

Preview Lab → · Contrast checker → · Palette generator →