#184DA1#184DA1

#184DA1 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.7% C 0.147 H 259.7°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX#184DA1
RGBrgb(24, 77, 161)
HSLhsl(217, 74%, 36%)
HSVhsv(217, 85%, 63%)
CMYKcmyk(85.1%, 52.2%, 0%, 36.9%)
CIE-LABlab(34.14, 15.62, -50.26)
CIE-LCHlch(34.14, 52.63, 287.26°)
OKLaboklab(43.73% -0.0264 -0.1449)
OKLCHoklch(43.73% 0.147 259.7)
XYZxyz(9.4612, 8.0740, 34.7711)
Luminance0.0808 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#184DA1 #A16C18
analogous
#1892A1 #184DA1 #2718A1
triadic
#184DA1 #A1184D #4DA118
tetradic
#184DA1 #A11892 #A16C18 #18A127
square
#184DA1 #A11892 #A16C18 #18A127
split-complementary
#184DA1 #A12718 #92A118
monochromatic
#081A36 #10346C #184DA1 #2066D6 #4F89E5

Accessibility & contrast

On white

8.03
#184DA1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#184DA1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184DA1
8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##184DA1#FFFFFF#000000##FFFFFF
##184DA11.008.032.628.03
#FFFFFF8.031.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1357A4
Deuteranopia (green-blind)
#004A9F
Tritanopia (blue-blind)
#00626F
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #184da1;
/* rgb */ color: rgb(24, 77, 161);
/* oklch */ color: oklch(43.7% 0.147 259.7);
Tailwind
colors: {
  custom: {
    50: '#6f7ebd',
    500: '#184da1',
    950: '#000000',
  },
}
SCSS
$custom: #184da1;
$custom-light: #6f7ebd;
$custom-dark: #000000;
JSON
{
  "hex": "#184da1",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 161
  },
  "hsl": {
    "h": 216.788,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.43731,
    "c": 0.14726,
    "h": 259.7
  },
  "luminance": 0.08075
}

Semantic roles & 50–950 ramp

primary
#184DA1
secondary
#C7984E
accent
#A937F1
background
#F7F7FB
surface
#EDEEF7
border
#C8C9D0
text
#090912
muted
#7B7B81

Preview Lab

Preview with #184DA1

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

Preview Lab → · Contrast checker → · Palette generator →

#184DA1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva