#184FB4#184FB4

#184FB4 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.7% C 0.171 H 261.3°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#184FB4
RGB	rgb(24, 79, 180)
HSL	hsl(219, 76%, 40%)
HSV	hsv(219, 87%, 71%)
CMYK	cmyk(86.7%, 56.1%, 0%, 29.4%)
CIE-LAB	lab(36.14, 21.91, -58.33)
CIE-LCH	lch(36.14, 62.31, 290.58°)
OKLab	oklab(45.71% -0.0257 -0.1686)
OKLCH	oklch(45.71% 0.171 261.3)
XYZ	xyz(11.4079, 9.0800, 44.3225)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184FB4 #B47D18

analogous

#189DB4 #184FB4 #2F18B4

triadic

#184FB4 #B4184F #4FB418

tetradic

#184FB4 #B4189D #B47D18 #18B42F

square

#184FB4 #B4189D #B47D18 #18B42F

split-complementary

#184FB4 #B42F18 #9DB418

monochromatic

#0A2048 #11377E #184FB4 #2769E2 #5D8FE9

Accessibility & contrast

On white

7.46

#184FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#184FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184FB4

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184FB4	#FFFFFF	#000000	##FFFFFF
##184FB4	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB7

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #184fb4;
/* rgb */ color: rgb(24, 79, 180);
/* oklch */ color: oklch(45.7% 0.171 261.3);

Tailwind

colors: {
  custom: {
    50: '#737fcb',
    500: '#184fb4',
    950: '#000000',
  },
}

SCSS

$custom: #184fb4;
$custom-light: #737fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#184fb4",
  "rgb": {
    "r": 24,
    "g": 79,
    "b": 180
  },
  "hsl": {
    "h": 218.846,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.45706,
    "c": 0.17051,
    "h": 261.3
  },
  "luminance": 0.09081
}

Semantic roles & 50–950 ramp

primary

#184FB4

secondary

#CDA55B

accent

#B035F3

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #184FB4

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

Preview Lab → · Contrast checker → · Palette generator →