#184DB4#184DB4

#184DB4 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.173 H 261.9°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#184DB4
RGB	rgb(24, 77, 180)
HSL	hsl(220, 76%, 40%)
HSV	hsv(220, 87%, 71%)
CMYK	cmyk(86.7%, 57.2%, 0%, 29.4%)
CIE-LAB	lab(35.59, 23.25, -59.23)
CIE-LCH	lch(35.59, 63.62, 291.43°)
OKLab	oklab(45.29% -0.0245 -0.1712)
OKLCH	oklch(45.29% 0.173 261.9)
XYZ	xyz(11.2658, 8.7958, 44.2752)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184DB4 #B47F18

analogous

#189BB4 #184DB4 #3118B4

triadic

#184DB4 #B4184D #4DB418

tetradic

#184DB4 #B4189B #B47F18 #18B431

square

#184DB4 #B4189B #B47F18 #18B431

split-complementary

#184DB4 #B43118 #9BB418

monochromatic

#0A1F48 #11367E #184DB4 #2767E2 #5D8DE9

Accessibility & contrast

On white

7.61

#184DB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#184DB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184DB4

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184DB4	#FFFFFF	#000000	##FFFFFF
##184DB4	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #184db4;
/* rgb */ color: rgb(24, 77, 180);
/* oklch */ color: oklch(45.3% 0.173 261.9);

Tailwind

colors: {
  custom: {
    50: '#747ecb',
    500: '#184db4',
    950: '#000000',
  },
}

SCSS

$custom: #184db4;
$custom-light: #747ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#184db4",
  "rgb": {
    "r": 24,
    "g": 77,
    "b": 180
  },
  "hsl": {
    "h": 219.615,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.4529,
    "c": 0.17297,
    "h": 261.9
  },
  "luminance": 0.08797
}

Semantic roles & 50–950 ramp

primary

#184DB4

secondary

#CDA65B

accent

#B235F3

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #184DB4

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

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