#184EB4#184EB4

#184EB4 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.172 H 261.6°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#184EB4
RGB	rgb(24, 78, 180)
HSL	hsl(219, 76%, 40%)
HSV	hsv(219, 87%, 71%)
CMYK	cmyk(86.7%, 56.7%, 0%, 29.4%)
CIE-LAB	lab(35.86, 22.58, -58.78)
CIE-LCH	lch(35.86, 62.97, 291.01°)
OKLab	oklab(45.5% -0.0251 -0.1699)
OKLCH	oklch(45.5% 0.172 261.6)
XYZ	xyz(11.3363, 8.9368, 44.2987)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184EB4 #B47E18

analogous

#189CB4 #184EB4 #3018B4

triadic

#184EB4 #B4184E #4EB418

tetradic

#184EB4 #B4189C #B47E18 #18B430

square

#184EB4 #B4189C #B47E18 #18B430

split-complementary

#184EB4 #B43018 #9CB418

monochromatic

#0A1F48 #11377E #184EB4 #2768E2 #5D8EE9

Accessibility & contrast

On white

7.53

#184EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#184EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184EB4

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184EB4	#FFFFFF	#000000	##FFFFFF
##184EB4	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB8

Deuteranopia (green-blind)

#004EB2

Tritanopia (blue-blind)

#006879

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #184eb4;
/* rgb */ color: rgb(24, 78, 180);
/* oklch */ color: oklch(45.5% 0.172 261.6);

Tailwind

colors: {
  custom: {
    50: '#737ecb',
    500: '#184eb4',
    950: '#000000',
  },
}

SCSS

$custom: #184eb4;
$custom-light: #737ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#184eb4",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 180
  },
  "hsl": {
    "h": 219.231,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.45498,
    "c": 0.17174,
    "h": 261.6
  },
  "luminance": 0.08938
}

Semantic roles & 50–950 ramp

primary

#184EB4

secondary

#CDA65B

accent

#B135F3

background

#F7F7FC

surface

#EEEEF9

border

#C9C9D2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #184EB4

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

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