#184E9C#184E9C

#184E9C is a dark, vivid blue. Relative luminance 0.080; OKLCH L 43.6% C 0.139 H 258.5°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#184E9C
RGB	rgb(24, 78, 156)
HSL	hsl(215, 73%, 35%)
HSV	hsv(215, 85%, 61%)
CMYK	cmyk(84.6%, 50%, 0%, 38.8%)
CIE-LAB	lab(34.07, 12.91, -47.36)
CIE-LCH	lch(34.07, 49.09, 285.25°)
OKLab	oklab(43.57% -0.0278 -0.1363)
OKLCH	oklch(43.57% 0.139 258.5)
XYZ	xyz(9.0996, 8.0421, 32.5187)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E9C #9C6618

analogous

#18909C #184E9C #24189C

triadic

#184E9C #9C184E #4E9C18

tetradic

#184E9C #9C1890 #9C6618 #189C24

square

#184E9C #9C1890 #9C6618 #189C24

split-complementary

#184E9C #9C2418 #909C18

monochromatic

#081932 #103367 #184E9C #2069D1 #4B89E3

Accessibility & contrast

On white

8.05

#184E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#184E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E9C

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E9C	#FFFFFF	#000000	##FFFFFF
##184E9C	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F569F

Deuteranopia (green-blind)

#004B9A

Tritanopia (blue-blind)

#00616D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #184e9c;
/* rgb */ color: rgb(24, 78, 156);
/* oklch */ color: oklch(43.6% 0.139 258.5);

Tailwind

colors: {
  custom: {
    50: '#6d7eba',
    500: '#184e9c',
    950: '#000000',
  },
}

SCSS

$custom: #184e9c;
$custom-light: #6d7eba;
$custom-dark: #000000;

JSON

{
  "hex": "#184e9c",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 156
  },
  "hsl": {
    "h": 215.455,
    "s": 73.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43566,
    "c": 0.13912,
    "h": 258.5
  },
  "luminance": 0.08043
}

Semantic roles & 50–950 ramp

primary

#184E9C

secondary

#C5934B

accent

#A538F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080912

muted

#7B7B81

Preview Lab

Preview with #184E9C

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

Preview Lab → · Contrast checker → · Palette generator →