#184A80#184A80

#184A80 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.6% C 0.105 H 253.3°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#184A80
RGB	rgb(24, 74, 128)
HSL	hsl(211, 68%, 30%)
HSV	hsv(211, 81%, 50%)
CMYK	cmyk(81.3%, 42.2%, 0%, 49.8%)
CIE-LAB	lab(31.00, 4.19, -35.16)
CIE-LCH	lch(31.00, 35.41, 276.79°)
OKLab	oklab(40.59% -0.0301 -0.1005)
OKLCH	oklch(40.59% 0.105 253.3)
XYZ	xyz(6.7203, 6.6495, 21.3472)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184A80 #804E18

analogous

#187E80 #184A80 #1A1880

triadic

#184A80 #80184A #4A8018

tetradic

#184A80 #80187E #804E18 #18801A

square

#184A80 #80187E #804E18 #18801A

split-complementary

#184A80 #801A18 #7E8018

monochromatic

#050F1A #0E2C4C #184A80 #2268B4 #3986DA

Accessibility & contrast

On white

9.01

#184A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#184A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184A80

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184A80	#FFFFFF	#000000	##FFFFFF
##184A80	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304E82

Deuteranopia (green-blind)

#1E457F

Tritanopia (blue-blind)

#00575E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #184a80;
/* rgb */ color: rgb(24, 74, 128);
/* oklch */ color: oklch(40.6% 0.105 253.3);

Tailwind

colors: {
  custom: {
    50: '#667ca5',
    500: '#184a80',
    950: '#000000',
  },
}

SCSS

$custom: #184a80;
$custom-light: #667ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#184a80",
  "rgb": {
    "r": 24,
    "g": 74,
    "b": 128
  },
  "hsl": {
    "h": 211.154,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.4059,
    "c": 0.10493,
    "h": 253.3
  },
  "luminance": 0.0665
}

Semantic roles & 50–950 ramp

primary

#184A80

secondary

#B47C40

accent

#973DEB

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #184A80

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

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